| driftwood | (noun) wood that is floating or that has been washed ashore | - |
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| drill | (noun) systematic training by multiple repetitions | Synonyms: exercise, practice, practice session, recitation |
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| (noun) (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms | - |
| (noun) similar to the mandrill but smaller and less brightly colored | Synonyms: Mandrillus leucophaeus |
| (noun) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | - |
| drilling | (noun) the act of drilling a hole in the earth in the hope of producing petroleum | Synonyms: boring, oil production |
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| (noun) the act of drilling | Synonyms: boring |
| drink | (noun) the act of drinking alcoholic beverages to excess | Synonyms: boozing, crapulence, drinking, drunkenness |
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| (noun) the act of swallowing | Synonyms: deglutition, swallow |
| (noun) any liquid suitable for drinking | Synonyms: beverage, drinkable, potable |
| (noun) a single serving of a beverage | - |
| (noun) any large deep body of water | - |
| drinkable | (noun) any liquid suitable for drinking | Synonyms: beverage, drink, potable |
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| drinker | (noun) a person who drinks alcoholic beverages (especially to excess) | Synonyms: imbiber, juicer, toper |
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| (noun) a person who drinks liquids | - |
| drinking | (noun) the act of consuming liquids | Synonyms: imbibing, imbibition |
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| (noun) the act of drinking alcoholic beverages to excess | Synonyms: boozing, crapulence, drink, drunkenness |
| drip | (noun) (architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway) | Synonyms: drip mold, drip mould |
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| (noun) flowing in drops; the formation and falling of drops of liquid | Synonyms: dribble, trickle |
| (noun) the sound of a liquid falling drop by drop | Synonyms: dripping |
| drippage | (noun) a liquid (as water) that flows in drops (as from the eaves of house) | Synonyms: dripping |
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| drippiness | (noun) the physical property of being soft and drippy | - |
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| (noun) falsely emotional in a maudlin way | Synonyms: mawkishness, mushiness, sentimentality, sloppiness, soupiness |
| dripping | (noun) a liquid (as water) that flows in drops (as from the eaves of house) | Synonyms: drippage |
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| (noun) the sound of a liquid falling drop by drop | Synonyms: drip |
| drippings | (noun) fat that exudes from meat and drips off while it is being roasted or fried | - |
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| dripstone | (noun) a protective drip that is made of stone | Synonyms: hoodmold, hoodmould |
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| (noun) the form of calcium carbonate found in stalactites and stalagmites | - |
| drive | (noun) a journey in a vehicle (usually an automobile) | Synonyms: ride |
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| (noun) a series of actions advancing a principle or tending toward a particular end | Synonyms: campaign, cause, crusade, effort, movement |
| (noun) hitting a golf ball off of a tee with a driver | Synonyms: driving |
| (noun) the act of applying force to propel something | Synonyms: driving force, thrust |
| (noun) (sports) a hard straight return (as in tennis or squash) | - |
| (noun) the act of driving a herd of animals overland | - |
| (noun) a wide scenic road planted with trees | Synonyms: parkway |
| (noun) a road leading up to a private house | Synonyms: driveway, private road |
| (noun) a mechanism by which force or power is transmitted in a machine | - |
| (noun) (computer science) a device that writes data onto or reads data from a storage medium | - |
| (noun) the trait of being highly motivated | - |
| (noun) a physiological state corresponding to a strong need or desire | - |
| drivel | (noun) saliva spilling from the mouth | Synonyms: dribble, drool, slobber |
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| (noun) a worthless message | Synonyms: garbage |
| driveller | (noun) someone whose talk is trivial drivel | Synonyms: jabberer |
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| (noun) a person who dribbles | Synonyms: dribbler, drooler, slobberer |
| driver | (noun) a golf club (a wood) with a near vertical face that is used for hitting long shots from the tee | Synonyms: number one wood |
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| (noun) (computer science) a program that determines how a computer will communicate with a peripheral device | Synonyms: device driver |
| (noun) the operator of a motor vehicle | - |
| (noun) a golfer who hits the golf ball with a driver | - |
| (noun) someone who drives animals that pull a vehicle | - |
| driveshaft | (noun) a rotating shaft that transmits power from the engine to the point of application | - |
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| driveway | (noun) a road leading up to a private house | Synonyms: drive, private road |
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| driving | (noun) the act of controlling and steering the movement of a vehicle or animal | - |
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| (noun) hitting a golf ball off of a tee with a driver | Synonyms: drive |
| drizzle | (noun) very light rain; stronger than mist but less than a shower | Synonyms: mizzle |
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| drogue | (noun) a parachute used to decelerate an object that is moving rapidly | Synonyms: drogue chute, drogue parachute |
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| (noun) restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind | Synonyms: sea anchor |
| (noun) a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind | Synonyms: air-sleeve, air sock, sock, wind cone, wind sleeve, wind sock, windsock |
| (noun) a funnel-shaped device towed as a target by an airplane | - |
| drollery | (noun) a quaint and amusing jest | Synonyms: waggery |
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| (noun) a comic incident or series of incidents | Synonyms: clowning, comedy, funniness |
| dromaeosaur | (noun) a kind of maniraptor | - |
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| drome | (noun) an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo | Synonyms: aerodrome, airdrome, airport |
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| dromedary | (noun) one-humped camel of the hot deserts of northern Africa and southwestern Asia | Synonyms: Arabian camel, Camelus dromedarius |
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| dronabinol | (noun) psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy | - |
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| drone | (noun) stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen | - |
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| (noun) a pipe of the bagpipe that is tuned to produce a single continuous tone | Synonyms: bourdon, drone pipe |
| (noun) an aircraft without a pilot that is operated by remote control | Synonyms: pilotless aircraft, radio-controlled aircraft |
| (noun) an unchanging intonation | Synonyms: droning, monotone |
| (noun) someone who takes more time than necessary; someone who lags behind | Synonyms: dawdler, laggard, lagger, poke, trailer |
| droning | (noun) an unchanging intonation | Synonyms: drone, monotone |
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| drool | (noun) saliva spilling from the mouth | Synonyms: dribble, drivel, slobber |
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| (noun) pretentious or silly talk or writing | Synonyms: baloney, bilgewater, boloney, bosh, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle |
| drooler | (noun) a person who dribbles | Synonyms: dribbler, driveller, slobberer |
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| droop | (noun) a shape that sags | Synonyms: sag |
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| drop | (noun) the act of dropping something | - |
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| (noun) a central depository where things can be left or picked up | - |
| (noun) a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery | Synonyms: drop cloth, drop curtain |
| (noun) a sudden sharp decrease in some quantity | Synonyms: dip, fall, free fall |
| (noun) a free and rapid descent by the force of gravity | Synonyms: fall |
| (noun) a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property) | - |
| (noun) a steep high face of rock | Synonyms: cliff, drop-off |
| (noun) a small indefinite quantity (especially of a liquid) | Synonyms: drib, driblet |
| (noun) a shape that is spherical and small | Synonyms: bead, pearl |
| dropkick | (noun) (football) kicking (as for a field goal) in which the football is dropped and kicked as it touches the ground | - |
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| dropkicker | (noun) a football kicker who drops the ball and kicks it just as it reaches the ground | - |
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| droplet | (noun) a tiny drop | - |
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| dropline | (noun) a headline with the top line flush left and succeeding lines indented to the right | Synonyms: drop line, stagger head, staggered head, stephead, stepped line |
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| dropout | (noun) someone who quits school before graduation | - |
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| (noun) someone who withdraws from a social group or environment | - |
| dropper | (noun) pipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time | Synonyms: eye dropper |
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| droppings | (noun) fecal matter of animals | Synonyms: dung, muck |
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| dropseed | (noun) a grass of the genus Sporobolus | Synonyms: drop-seed |
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| dropsy | (noun) swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities | Synonyms: edema, hydrops, oedema |
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| droshky | (noun) an open horse-drawn carriage with four wheels; formerly used in Poland and Russia | Synonyms: drosky |
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| drosky | (noun) an open horse-drawn carriage with four wheels; formerly used in Poland and Russia | Synonyms: droshky |
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| drosophila | (noun) small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance | Synonyms: Drosophila melanogaster |
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| dross | (noun) the scum formed by oxidation at the surface of molten metals | Synonyms: scoria, slag |
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| (noun) worthless or dangerous material that should be removed | Synonyms: impurity |
| drought | (noun) a shortage of rainfall | Synonyms: drouth |
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| (noun) a prolonged shortage | Synonyms: drouth |
| drouth | (noun) a shortage of rainfall | Synonyms: drought |
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| (noun) a prolonged shortage | Synonyms: drought |
| drove | (noun) a stonemason's chisel with a broad edge for dressing stone | Synonyms: drove chisel |
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| (noun) a group of animals (a herd or flock) moving together | - |
| (noun) a moving crowd | Synonyms: horde, swarm |
| drover | (noun) someone who drives a herd | Synonyms: herder, herdsman |
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| drowse | (noun) a light fitful sleep | Synonyms: doze |
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| drowsiness | (noun) a very sleepy state | Synonyms: sleepiness, somnolence |
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| drubbing | (noun) the act of inflicting corporal punishment with repeated blows | Synonyms: beating, lacing, licking, thrashing, trouncing, whacking |
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| (noun) a sound defeat | Synonyms: debacle, slaughter, thrashing, trouncing, walloping, whipping |
| drudge | (noun) a laborer who is obliged to do menial work | Synonyms: galley slave, navvy, peon |
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| (noun) one who works hard at boring tasks | Synonyms: hack, hacker |
| drudgery | (noun) hard monotonous routine work | Synonyms: donkeywork, grind, plodding |
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| drug | (noun) a substance that is used as a medicine or narcotic | - |
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| drugget | (noun) a rug made of a coarse fabric having a cotton warp and a wool filling | - |
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| drugging | (noun) the administration of a sedative agent or drug | Synonyms: sedation |
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| druggist | (noun) a health professional trained in the art of preparing and dispensing drugs | Synonyms: apothecary, chemist, pharmacist, pill pusher, pill roller |
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| drugstore | (noun) a retail shop where medicine and other articles are sold | Synonyms: apothecary's shop, chemist's, chemist's shop, pharmacy |
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| druidism | (noun) the system of religion and philosophy taught by the Druids and their rites and ceremonies | - |
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| drum | (noun) small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise | Synonyms: drumfish |
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| (noun) a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end | Synonyms: membranophone, tympan |
| (noun) a cylindrical metal container, commonly used for shipping or storage of liquids | Synonyms: metal drum |
| (noun) a hollow cast iron cylinder attached to the wheel that forms part of the brakes | Synonyms: brake drum |
| (noun) the sound of a drum | - |
| (noun) a bulging cylindrical shape; hollow with flat ends | Synonyms: barrel |
| drumbeat | (noun) a vehement and vociferous advocacy of a cause | - |
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| (noun) (military) the beating of a drum as a signal for lowering the flag at sundown | - |
| (noun) the sound made by beating a drum | Synonyms: rataplan, rub-a-dub |
| drumbeater | (noun) a fervent and even militant proponent of something | Synonyms: partisan, zealot |
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| drumfire | (noun) intense and continuous artillery fire | Synonyms: cannonade |
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| drumfish | (noun) small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise | Synonyms: drum |
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| drumhead | (noun) a membrane that is stretched taut over a drum | Synonyms: head |
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| drumlin | (noun) a mound of glacial drift | - |
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| drummer | (noun) someone who plays a drum | - |
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| drumming | (noun) the act of playing drums | - |
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| drumstick | (noun) a stick used for playing a drum | - |
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| (noun) the lower joint of the leg of a fowl | - |
| drunk | (noun) a chronic drinker | Synonyms: drunkard, inebriate, rummy, sot, wino |
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| (noun) someone who is intoxicated | - |
| drunkard | (noun) a chronic drinker | Synonyms: drunk, inebriate, rummy, sot, wino |
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| drunkenness | (noun) the act of drinking alcoholic beverages to excess | Synonyms: boozing, crapulence, drink, drinking |
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| (noun) a temporary state resulting from excessive consumption of alcohol | Synonyms: inebriation, inebriety, insobriety, intoxication, tipsiness |
| (noun) habitual intoxication; prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms | Synonyms: alcohol addiction, alcoholism, inebriation |
| drupe | (noun) fleshy indehiscent fruit with a single seed: e.g. almond, peach, plum, cherry, elderberry, olive, jujube | Synonyms: stone fruit |
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| drupelet | (noun) a small part of an aggregate fruit that resembles a drupe | - |
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| drusen | (noun) (plural) an eye disease resulting from small accumulations of hyaline bodies underneath the retina | - |
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| druthers | (noun) the right or chance to choose | Synonyms: preference |
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| dry | (noun) a reformer who opposes the use of intoxicating beverages | Synonyms: prohibitionist |
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| dryad | (noun) a deity or nymph of the woods | Synonyms: wood nymph |
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| drydock | (noun) a large dock from which water can be pumped out; used for building ships or for repairing a ship below its waterline | Synonyms: dry dock, graving dock |
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| dryer | (noun) an appliance that removes moisture | Synonyms: drier |
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| drygoods | (noun) textiles or clothing and related merchandise | Synonyms: soft goods |
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| dryness | (noun) objectivity and detachment | Synonyms: dispassion, dispassionateness |
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| (noun) moderation in or abstinence from alcohol or other drugs | Synonyms: sobriety |
| (noun) the condition of not containing or being covered by a liquid (especially water) | Synonyms: waterlessness, xerotes |
| dryopithecine | (noun) considered a possible ancestor to both anthropoid apes and humans | - |
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| drypis | (noun) spiny-leaved perennial herb of southern Europe having terminal clusters of small flowers | - |
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| drywall | (noun) a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses | Synonyms: dry wall, wallboard |
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| eardrop | (noun) an earring with a pendant ornament | Synonyms: drop earring, pendant earring |
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| eardrum | (noun) the membrane in the ear that vibrates to sound | Synonyms: myringa, tympanic membrane, tympanum |
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| eavesdropper | (noun) a secret listener to private conversations | - |
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| enchondroma | (noun) benign slow-growing tumor of cartilaginous cells at the ends of tubular bones (especially in the hands and feet) | - |
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| ephedra | (noun) jointed and nearly leafless desert shrub having reduced scalelike leaves and reddish fleshy seeds | Synonyms: joint fir |
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| ephedrine | (noun) white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma | - |
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| epidendron | (noun) any of various orchids of the genus Epidendrum | - |
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| escadrille | (noun) an air force squadron typically containing six airplanes (as in France during World War I) | - |
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| (noun) a small squadron | - |
| espadrille | (noun) a sandal with a sole made of rope or rubber and a cloth upper part | - |
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| eyedrop | (noun) a method of irrigating the eye used by ophthalmologists | Synonyms: eye-drop |
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| (noun) a drop from an eye dropper | Synonyms: eye-drop |
| firedrake | (noun) a creature of Teutonic mythology; usually represented as breathing fire and having a reptilian body and sometimes wings | Synonyms: dragon, European dragon |
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| fluidram | (noun) a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce | Synonyms: drachm, fluid drachm, fluid dram |
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| (noun) a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters | Synonyms: drachm, fluid drachm, fluid dram |
| foundress | (noun) a woman founder | - |
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