| enlivener | (noun) an agent that gives or restores life or vigor | Synonyms: invigorator, quickener |
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| enquirer | (noun) someone who asks a question | Synonyms: asker, inquirer, querier, questioner |
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| enter | (verb) set out on (an enterprise or subject of study) | Synonyms: embark |
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| (verb) make a record of; set down in permanent form | Synonyms: put down, record |
| (verb) become a participant; be involved in | Synonyms: participate |
| (verb) put or introduce into something | Synonyms: infix, insert, introduce |
| (verb) come on stage | - |
| (verb) to come or go into | Synonyms: come in, get in, get into, go in, go into, move into |
| (verb) take on duties or office | Synonyms: accede |
| (verb) register formally as a participant or member | Synonyms: enrol, enroll, inscribe, raise, recruit |
| (verb) be or play a part of or in | Synonyms: figure |
| enterpriser | (noun) someone who organizes a business venture and assumes the risk for it | Synonyms: entrepreneur |
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| entertainer | (noun) a person who tries to please or amuse | - |
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| epicenter | (noun) the point on the Earth's surface directly above the focus of an earthquake | Synonyms: epicentre |
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| equaliser | (noun) a weight that balances another weight | Synonyms: balance, counterbalance, counterpoise, counterweight, equalizer |
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| (noun) electronic equipment that reduces frequency distortion | Synonyms: equalizer |
| equalizer | (noun) a score that makes the match even | - |
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| (noun) a weight that balances another weight | Synonyms: balance, counterbalance, counterpoise, counterweight, equaliser |
| (noun) electronic equipment that reduces frequency distortion | Synonyms: equaliser |
| eraser | (noun) an implement used to erase something | - |
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| ergometer | (noun) measuring instrument designed to measure power | Synonyms: dynamometer |
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| eriometer | (noun) An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed. | - |
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| escalader | (noun) someone who gains access by the use of ladders | - |
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| esker | (noun) (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets | - |
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| espalier | (noun) a trellis on which ornamental shrub or fruit tree is trained to grow flat | - |
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| essayer | (noun) one who tries | Synonyms: attempter, trier |
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| ester | (noun) organic compound formed by reaction between an acid and an alcohol with elimination of water | - |
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| etcher | (noun) someone who etches | - |
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| ether | (noun) a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic | Synonyms: diethyl ether, divinyl ether, ethoxyethane, ethyl ether, vinyl ether |
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| (noun) a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | Synonyms: aether |
| (noun) any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom | - |
| (noun) the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies | Synonyms: quintessence |
| ethnographer | (noun) an anthropologist who does ethnography | - |
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| eudiometer | (noun) measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases | - |
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| evaporometer | (noun) an instrument that measures rate of evaporation of water | Synonyms: atmometer |
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| ever | (adverb) at all times; all the time and on every occasion | Synonyms: always, e'er |
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| (adverb) at any time | Synonyms: of all time |
| (adverb) (intensifier for adjectives) very | Synonyms: ever so |
| evildoer | (noun) a person who sins (without repenting) | Synonyms: sinner |
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| ewer | (noun) an open vessel with a handle and a spout for pouring | Synonyms: pitcher |
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| examiner | (noun) an investigator who observes carefully | Synonyms: inspector |
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| (noun) someone who administers a test to determine your qualifications | Synonyms: quizzer, tester |
| exchanger | (noun) one whose business is to exchange the money of one country for that of another country | Synonyms: money changer |
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| exchequer | (noun) the funds of a government or institution or individual | Synonyms: treasury |
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| excuser | (noun) a person who pardons or forgives or excuses a fault or offense | Synonyms: forgiver, pardoner |
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| executioner | (noun) an official who inflicts capital punishment in pursuit of a warrant | Synonyms: public executioner |
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| exerciser | (noun) sports equipment used in gymnastic exercises | Synonyms: gymnastic apparatus |
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| exhibitioner | (noun) someone who organizes an exhibit for others to see | Synonyms: exhibitor, shower |
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| exorciser | (noun) someone who practices exorcism | Synonyms: exorcist |
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| expander | (noun) an electronic device that increases the dynamic range of the audio signal. | - |
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| expender | (noun) someone who spends money to purchase goods or services | Synonyms: disburser, spender |
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| experimenter | (noun) a research worker who conducts experiments | - |
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| (noun) a person who enjoys testing innovative ideas | - |
| exploiter | (noun) a person who uses something or someone selfishly or unethically | Synonyms: user |
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| explorer | (noun) someone who travels into little known regions (especially for some scientific purpose) | Synonyms: adventurer |
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| exporter | (noun) a businessperson who transports goods abroad (for sale) | - |
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| expounder | (noun) a person who explains | Synonyms: expositor |
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| extinguisher | (noun) a manually operated device for extinguishing small fires | Synonyms: asphyxiator, fire extinguisher |
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| extoller | (noun) someone who communicates high praise | Synonyms: laudator, lauder |
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| extortioner | (noun) a criminal who extorts money from someone by threatening to expose embarrassing information about them | Synonyms: blackmailer, extortionist |
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| eyeliner | (noun) makeup applied to emphasize the shape of the eyes | - |
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| facer | (noun) (a dated Briticism) a serious difficulty with which one is suddenly faced | - |
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| fakeer | (noun) a Muslim or Hindu mendicant monk who is regarded as a holy man | Synonyms: fakir, faqir, faquir |
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| faker | (noun) a person who makes deceitful pretenses | Synonyms: fake, fraud, imposter, impostor, pretender, pseud, pseudo, role player, sham, shammer |
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| falconer | (noun) a person who breeds and trains hawks and who follows the sport of falconry | Synonyms: hawker |
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| faller | (noun) a person who falls | - |
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| (noun) a person who fells trees | Synonyms: feller, logger, lumberjack, lumberman |
| falsifier | (noun) someone who falsifies | - |
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| falter | (noun) the act of pausing uncertainly | Synonyms: faltering, hesitation, waver |
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| (verb) speak haltingly | Synonyms: bumble, stammer, stutter |
| (verb) walk unsteadily, tripping repeatedly | Synonyms: bumble, stumble |
| (verb) move hesitatingly, as if about to give way | Synonyms: waver |
| (verb) be unsure or weak | Synonyms: waver |
| fancier | (noun) a person having a strong liking for something | Synonyms: enthusiast |
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| farmer | (noun) a person who operates a farm | Synonyms: granger, husbandman, sodbuster |
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| farrier | (noun) a person who shoes horses | Synonyms: horseshoer |
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| farther | (adjective) more distant in especially space or time | - |
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| (adjective) more distant in especially degree | Synonyms: further |
| (adverb) to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense) | Synonyms: further |
| (adverb) to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense) | Synonyms: further |
| fashionmonger | (noun) someone who advises you about fashionable clothing | Synonyms: fashion consultant |
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| fastener | (noun) restraint that attaches to something or holds something in place | Synonyms: fastening, fixing, holdfast |
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| (noun) a person who fastens or makes fast | - |
| faster | (adverb) more quickly | Synonyms: quicker |
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| father | (noun) a male parent (also used as a term of address to your father) | Synonyms: begetter, male parent |
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| (noun) the founder of a family | Synonyms: forefather, sire |
| (noun) a person who holds an important or distinguished position in some organization | - |
| (noun) a person who founds or establishes some institution | Synonyms: beginner, founder, founding father |
| (noun) the head of an organized crime family | Synonyms: don |
| (verb) make (offspring) by reproduction | Synonyms: beget, bring forth, engender, generate, get, mother, sire |
| fathometer | (noun) depth finder for determining depth of water or a submerged object by means of ultrasound waves | Synonyms: sonic depth finder |
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| faultfinder | (noun) someone who is critical of the motives of others | Synonyms: cynic |
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| fawner | (noun) someone who humbles himself as a sign of respect; who behaves as if he had no self-respect | Synonyms: apple polisher, bootlicker, groveler, groveller, truckler |
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| feather | (noun) turning an oar parallel to the water between pulls | Synonyms: feathering |
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| (noun) branching, hair-like structure that grows on the bodies of birds | - |
| (verb) grow feathers | Synonyms: fledge |
| (verb) turn the oar, while rowing | Synonyms: square |
| (verb) turn the paddle; in canoeing | Synonyms: square |
| (verb) cover or fit with feathers | - |
| (verb) join tongue and groove, in carpentry | - |
| feeder | (noun) an animal being fattened or suitable for fattening | - |
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| (noun) an animal that feeds on a particular source of food | - |
| (noun) a machine that automatically provides a supply of some material | Synonyms: self-feeder |
| (noun) an outdoor device that supplies food for wild birds | Synonyms: bird feeder, birdfeeder |
| (noun) a branch that flows into the main stream | Synonyms: affluent, confluent, tributary |
| (noun) someone who consumes food for nourishment | Synonyms: eater |
| feeler | (noun) one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste | Synonyms: antenna |
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| (noun) slender tactile process on the jaws of a fish | Synonyms: barbel |
| (noun) sensitivity similar to that of a receptor organ | Synonyms: antenna |
| (noun) a tentative suggestion designed to elicit the reactions of others | Synonyms: advance, approach, overture |
| feller | (noun) a boy or man | Synonyms: blighter, bloke, chap, cuss, fella, fellow, gent, lad |
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| (noun) a person who fells trees | Synonyms: faller, logger, lumberjack, lumberman |
| femtometer | (noun) a metric unit of length equal to one quadrillionth of a meter | Synonyms: femtometre, fermi |
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| fencer | (noun) someone skilled at fencing | Synonyms: swordsman |
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| fencesitter | (noun) a neutral or uncommitted person (especially in politics) | Synonyms: independent, mugwump |
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| fender | (noun) a cushion-like device that reduces shock due to an impact | Synonyms: buffer |
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| (noun) a barrier that surrounds the wheels of a vehicle to block splashing water or mud | Synonyms: wing |
| (noun) a low metal guard to confine falling coals to a hearth | - |
| (noun) an inclined metal frame at the front of a locomotive to clear the track | Synonyms: buffer, cowcatcher, pilot |
| fertiliser | (noun) any substance such as manure or a mixture of nitrates used to make soil more fertile | Synonyms: fertilizer, plant food |
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| fertilizer | (noun) any substance such as manure or a mixture of nitrates used to make soil more fertile | Synonyms: fertiliser, plant food |
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| fester | (noun) a sore that has become inflamed and formed pus | Synonyms: suppurating sore |
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| (verb) ripen and generate pus | Synonyms: maturate, suppurate |
| fetter | (noun) a shackle for the ankles or feet | Synonyms: hobble |
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| (verb) restrain with fetters | Synonyms: shackle |
| fever | (noun) a state of nervous excitement | - |
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| (noun) a rise in the temperature of the body; frequently a symptom of infection | Synonyms: febricity, febrility, feverishness, pyrexia |
| fewer | (adjective) (comparative of `few' used with count nouns) quantifier meaning a smaller number of | - |
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| fibber | (noun) someone who tells lies | Synonyms: fabricator, storyteller |
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| fiber | (noun) a leatherlike material made by compressing layers of paper or cloth | Synonyms: fibre, vulcanized fiber |
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| (noun) the inherent complex of attributes that determines a persons moral and ethical actions and reactions | Synonyms: character, fibre |
| (noun) any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber) | Synonyms: fibre |
| (noun) coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis | Synonyms: fibre, roughage |
| (noun) a slender and greatly elongated substance capable of being spun into yarn | Synonyms: fibre |
| fiddler | (noun) a musician who plays the violin | Synonyms: violinist |
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| (noun) an unskilled person who tries to fix or mend | Synonyms: tinkerer |
| (noun) someone who manipulates in a nervous or unconscious manner | Synonyms: twiddler |
| fielder | (noun) a member of the baseball team that is in the field instead of at bat | - |
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| (noun) a member of the cricket team that is fielding rather than batting | Synonyms: fieldsman |
| fieldworker | (noun) a researcher who works in the field | - |
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| figeater | (noun) large greenish June beetle of southern United States | Synonyms: green June beetle |
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| fighter | (noun) a high-speed military or naval airplane designed to destroy enemy aircraft in the air | Synonyms: attack aircraft, fighter aircraft |
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| (noun) someone who fights (or is fighting) | Synonyms: battler, belligerent, combatant, scrapper |
| (noun) someone who fights for a cause | Synonyms: champion, hero, paladin |
| figurer | (noun) an expert at calculation (or at operating calculating machines) | Synonyms: calculator, computer, estimator, reckoner |
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| filer | (noun) a party who files a notice with a law court | - |
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| (noun) a clerk who is employed to maintain the files of an organization | Synonyms: file clerk, filing clerk |
| filibuster | (noun) (law) a tactic for delaying or obstructing legislation by making long speeches | - |
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| (noun) a legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes | Synonyms: filibusterer |
| (verb) obstruct deliberately by delaying | - |
| filibusterer | (noun) a legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes | Synonyms: filibuster |
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| filler | (noun) the tobacco used to form the core of a cigar | - |
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| (noun) anything added to fill out a whole | Synonyms: makeweight |
| (noun) copy to fill space between more important articles in the layout of a magazine or newspaper | - |
| (noun) 100 filler equal 1 forint in Hungary | - |
| (noun) used for filling cracks or holes in a surface | - |
| filmmaker | (noun) a producer of motion pictures | Synonyms: film maker, film producer, movie maker |
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| filter | (noun) device that removes something from whatever passes through it | - |
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| (noun) an electrical device that alters the frequency spectrum of signals passing through it | - |
| (verb) remove by passing through a filter | Synonyms: filter out, filtrate, separate out, strain |
| (verb) pass through | Synonyms: percolate, permeate, sink in |
| (verb) run or flow slowly, as in drops or in an unsteady stream | Synonyms: dribble, trickle |
| finagler | (noun) a deceiver who uses crafty misleading methods | Synonyms: wangler |
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| financier | (noun) a person skilled in large scale financial transactions | Synonyms: moneyman |
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| (verb) conduct financial operations | - |
| finder | (noun) optical device that helps a user to find the target of interest | Synonyms: view finder, viewfinder |
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| (noun) someone who is the first to observe something | Synonyms: discoverer, spotter |
| (noun) someone who comes upon something after searching | - |
| fineliner | (noun) A felt-tip pen with a thin tip that produces thin lines. | Synonyms: fineliner pen |
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| finer | (adjective) (comparative of `fine') greater in quality or excellence | - |
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| finger | (noun) one of the parts of a glove that provides covering for a finger or thumb | - |
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| (noun) any of the terminal members of the hand (sometimes excepting the thumb) | - |
| (noun) the length of breadth of a finger used as a linear measure | Synonyms: digit, finger's breadth, fingerbreadth |
| (verb) indicate the fingering for the playing of musical scores for keyboard instruments | - |
| (verb) feel or handle with the fingers | Synonyms: thumb |
| (verb) search for on the computer | - |
| (verb) examine by touch | Synonyms: feel |
| fingerflower | (noun) tall leafy European biennial or perennial having spectacular clusters of large tubular pink-purple flowers; leaves yield drug digitalis and are poisonous to livestock | Synonyms: common foxglove, Digitalis purpurea, fairy bell, finger-flower, finger-root, fingerroot |
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| finisher | (noun) an animal that wins in a contest of speed | - |
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| (noun) a race car that finishes a race | - |
| (noun) a worker who performs the last step in a manufacturing process | - |
| (noun) a painter who applies a finishing coat | - |
| (noun) (baseball) a relief pitcher who can protect a lead in the last inning or two of the game | Synonyms: closer |
| (noun) a racing driver who finishes a race | - |
| firecracker | (noun) firework consisting of a small explosive charge and fuse in a heavy paper casing | Synonyms: banger, cracker |
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| firefighter | (noun) a member of a fire department who tries to extinguish fires | Synonyms: fire-eater, fire fighter, fireman |
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| firelighter | (noun) (a piece of) a substance that burns easily and can be used to start a coal or coke fire | - |
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