| abator | (noun) a person who abates a nuisance | - |
|---|
| abbreviator | (noun) one who shortens or abridges or condenses a written work | Synonyms: abridger |
|---|
| abdicator | (noun) one who formally relinquishes an office or responsibility | - |
|---|
| abductor | (noun) a muscle that draws a body part away from the median line | Synonyms: abductor muscle |
|---|
| (noun) someone who unlawfully seizes and detains a victim (usually for ransom) | Synonyms: kidnaper, kidnapper, snatcher |
| abettor | (noun) one who helps or encourages or incites another | Synonyms: abetter |
|---|
| abhorrence | (noun) hate coupled with disgust | Synonyms: abomination, detestation, execration, loathing, odium |
|---|
| abhorrer | (noun) a signer of a 1679 address to Charles II in which those who petitioned for the reconvening of parliament were condemned and abhorred | - |
|---|
| abnegator | (noun) one who gives up or relinquishes or renounces something | - |
|---|
| abnormalcy | (noun) an abnormal physical condition resulting from defective genes or developmental deficiencies | Synonyms: abnormality |
|---|
| abnormality | (noun) behavior that breaches the rule or etiquette or custom or morality | Synonyms: irregularity |
|---|
| (noun) marked strangeness as a consequence of being abnormal | Synonyms: freakishness |
| (noun) retardation sufficient to fall outside the normal range of intelligence | Synonyms: mental defectiveness |
| (noun) an abnormal physical condition resulting from defective genes or developmental deficiencies | Synonyms: abnormalcy |
| abominator | (noun) one who hates or loathes | Synonyms: loather |
|---|
| aboriginal | (noun) an indigenous person who was born in a particular place | Synonyms: aborigine, indigen, indigene, native |
|---|
| aborigine | (noun) an indigenous person who was born in a particular place | Synonyms: aboriginal, indigen, indigene, native |
|---|
| abort | (noun) the act of terminating a project or procedure before it is completed | - |
|---|
| aborticide | (noun) the act of destroying a fetus | Synonyms: feticide |
|---|
| (noun) a drug (or other chemical agent) that causes abortion | Synonyms: abortifacient, abortion-inducing drug |
| abortifacient | (noun) a drug (or other chemical agent) that causes abortion | Synonyms: aborticide, abortion-inducing drug |
|---|
| abortion | (noun) termination of pregnancy | - |
|---|
| (noun) failure of a plan | Synonyms: miscarriage |
| abortionist | (noun) a person (who should be a doctor) who terminates pregnancies | - |
|---|
| abortus | (noun) a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body | - |
|---|
| abrogator | (noun) an authority or official empowered to abolish or annul or repeal | - |
|---|
| absorbance | (noun) (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation | Synonyms: optical density, photographic density, transmission density |
|---|
| absorbate | (noun) a material that has been or is capable of being absorbed | - |
|---|
| absorbency | (noun) the property of being absorbent | - |
|---|
| absorbent | (noun) a material having capacity or tendency to absorb another substance | Synonyms: absorbent material |
|---|
| absorber | (noun) (physics) material in a nuclear reactor that absorbs radiation | - |
|---|
| absorptance | (noun) a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber | Synonyms: absorption coefficient, coefficient of absorption |
|---|
| absorption | (noun) the mental state of being preoccupied by something | Synonyms: engrossment, preoccupancy, preoccupation |
|---|
| (noun) complete attention; intense mental effort | Synonyms: concentration, engrossment, immersion |
| (noun) (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid | Synonyms: soaking up |
| (noun) the process of absorbing nutrients into the body after digestion | Synonyms: assimilation |
| (noun) (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium | - |
| (noun) the social process of absorbing one cultural group into harmony with another | Synonyms: assimilation |
| absorptivity | (noun) (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body | Synonyms: absorption factor |
|---|
| abstractor | (noun) one who makes abstracts or summarizes information | Synonyms: abstracter |
|---|
| accelerator | (noun) a valve that regulates the supply of fuel to the engine | Synonyms: throttle, throttle valve |
|---|
| (noun) a scientific instrument that increases the kinetic energy of charged particles | Synonyms: atom smasher, particle accelerator |
| (noun) a pedal that controls the throttle valve | Synonyms: accelerator pedal, gas, gas pedal, gun, throttle |
| (noun) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected | Synonyms: catalyst |
| accentor | (noun) small sparrow-like songbird of mountainous regions of Eurasia | - |
|---|
| acceptor | (noun) the person (or institution) who accepts a check or draft and becomes responsible for paying the party named in the draft when it matures | - |
|---|
| (noun) (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated | - |
| accessory | (noun) a supplementary component that improves capability | Synonyms: add-on, appurtenance, supplement |
|---|
| (noun) clothing that is worn or carried, but not part of your main clothing | Synonyms: accouterment, accoutrement |
| (noun) someone who helps another person commit a crime | Synonyms: accessary |
| accommodator | (noun) someone who performs a service or does a favor | Synonyms: obliger |
|---|
| accord | (noun) sympathetic compatibility | - |
|---|
| (noun) concurrence of opinion | Synonyms: accordance, conformity |
| (noun) a written agreement between two states or sovereigns | Synonyms: pact, treaty |
| (noun) harmony of people's opinions or actions or characters | Synonyms: agreement |
| accordance | (noun) the act of granting rights | Synonyms: accordance of rights |
|---|
| (noun) concurrence of opinion | Synonyms: accord, conformity |
| accordion | (noun) a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player | Synonyms: squeeze box |
|---|
| accordionist | (noun) a musician who plays the accordion | - |
|---|
| accumulator | (noun) a voltaic battery that stores electric charge | Synonyms: storage battery |
|---|
| (noun) (computer science) a register that has a built-in adder that adds an input number to the contents of the register | Synonyms: accumulator register |
| (noun) a person who is employed to collect payments (as for rent or taxes) | Synonyms: collector, gatherer |
| achlorhydria | (noun) an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach | - |
|---|
| acorea | (noun) absence of the pupil in an eye | - |
|---|
| acorn | (noun) fruit of the oak tree: a smooth thin-walled nut in a woody cup-shaped base | - |
|---|
| activator | (noun) (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription | - |
|---|
| actor | (noun) a theatrical performer | Synonyms: histrion, player, role player, thespian |
|---|
| (noun) a person who acts and gets things done | Synonyms: doer, worker |
| actuator | (noun) a mechanism that puts something into automatic action | - |
|---|
| adaptor | (noun) device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible | Synonyms: adapter |
|---|
| adductor | (noun) a muscle that draws a body part toward the median line | Synonyms: adductor muscle |
|---|
| adiaphoron | (noun) (Stoic philosophy) a matter having no moral merit or demerit. | - |
|---|
| (noun) a religious ceremonial or ritual observance that is held to be an affair of the individual conscience because it is neither forbidden nor enjoined by the scriptures. | - |
| adjudicator | (noun) a person who studies and settles conflicts and disputes | - |
|---|
| adjustor | (noun) one who investigates insurance claims or claims for damages and recommends an effective settlement | Synonyms: adjuster, claim agent, claims adjuster, claims adjustor |
|---|
| administrator | (noun) someone who administers a business | Synonyms: decision maker |
|---|
| (noun) the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor | - |
| (noun) someone who manages a government agency or department | Synonyms: executive |
| adorability | (noun) extreme attractiveness | Synonyms: adorableness |
|---|
| adorableness | (noun) extreme attractiveness | Synonyms: adorability |
|---|
| adoration | (noun) the act of admiring strongly | Synonyms: idolisation, idolization |
|---|
| (noun) the worship given to God alone | Synonyms: latria |
| (noun) a feeling of profound love and admiration | Synonyms: worship |
| adorer | (noun) someone who admires a young woman | Synonyms: admirer |
|---|
| adornment | (noun) the action of decorating yourself with something colorful and interesting | - |
|---|
| (noun) a decoration of color or interest that is added to relieve plainness | - |
| adrenocorticotrophin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotropic hormone, adrenocorticotropin, corticotrophin, corticotropin |
|---|
| adrenocorticotropin | (noun) a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex | Synonyms: ACTH, adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropic hormone, corticotrophin, corticotropin |
|---|
| adsorbate | (noun) a material that has been or is capable of being adsorbed | - |
|---|
| adsorbent | (noun) a material having capacity or tendency to adsorb another substance | Synonyms: adsorbent material |
|---|
| adsorber | (noun) an apparatus used in the adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface. | - |
|---|
| adsorption | (noun) the accumulation of molecules of a gas to form a thin film on the surface of a solid | Synonyms: surface assimilation |
|---|
| adulator | (noun) a person who uses flattery | Synonyms: flatterer |
|---|
| adulterator | (noun) a changer who lessens the purity or effectiveness of a substance | - |
|---|
| (noun) any substance that lessens the purity or effectiveness of a substance | Synonyms: adulterant |
| advertorial | (noun) an advertisement that is written and presented in the style of an editorial or journalistic report | - |
|---|
| advisor | (noun) an expert who gives advice | Synonyms: adviser, consultant |
|---|
| advisory | (noun) an announcement that usually advises or warns the public of some threat | - |
|---|
| advocator | (noun) a person who pleads for a cause or propounds an idea | Synonyms: advocate, exponent, proponent |
|---|
| aeciospore | (noun) spore of a rust fungus formed in an aecium | - |
|---|
| aepyornis | (noun) huge (to 9 ft.) extinct flightless bird of Madagascar | Synonyms: elephant bird |
|---|
| aerator | (noun) an apparatus for exposing something to the air (as sewage) | - |
|---|
| aerogenerator | (noun) generator that extracts usable energy from winds | Synonyms: wind generator, windmill |
|---|
| afforestation | (noun) the conversion of bare or cultivated land into forest (originally for the purpose of hunting) | - |
|---|
| afterworld | (noun) the place where you are after you die | - |
|---|
| agglomerator | (noun) a device that causes material to gather into rounded balls | - |
|---|
| aggravator | (noun) an unpleasant person who is annoying or exasperating | Synonyms: annoyance |
|---|
| aggregator | (noun) a person who collects things | Synonyms: collector |
|---|
| aggressor | (noun) someone who attacks | Synonyms: assailant, assaulter, attacker |
|---|
| (noun) a confident assertive person who acts as instigator | - |
| agitator | (noun) one who agitates; a political troublemaker | Synonyms: fomenter |
|---|
| agora | (noun) 100 agorot equal 1 shekel in Israel | - |
|---|
| (noun) a place of assembly for the people in ancient Greece | Synonyms: public square |
| (noun) the marketplace in ancient Greece | - |
| agoraphobia | (noun) a morbid fear of open spaces (as fear of being caught alone in some public place) | - |
|---|
| airforce | (noun) the airborne branch of a country's armed forces | Synonyms: air force |
|---|
| airport | (noun) an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo | Synonyms: aerodrome, airdrome, drome |
|---|
| airworthiness | (noun) fitness to fly | - |
|---|
| albacore | (noun) large pelagic tuna the source of most canned tuna; reaches 93 pounds and has long pectoral fins; found worldwide in tropical and temperate waters | Synonyms: long-fin tunny, Thunnus alalunga |
|---|
| (noun) relatively small tuna with choice white flesh; major source of canned tuna | - |
| algorism | (noun) computation with Arabic figures | - |
|---|
| (noun) the Arabic (or decimal) system of numeration | - |
| algorithm | (noun) a precise rule (or set of rules) specifying how to solve some problem | Synonyms: algorithmic program, algorithmic rule |
|---|
| alienator | (noun) an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile | - |
|---|
| alienor | (noun) someone from whom the title of property is transferred | - |
|---|
| allegoresis | (noun) the interpretation of written, oral, or artistic expression as allegory. | - |
|---|
| allegoricalness | (noun) The state or quality of being allegorical. | - |
|---|
| allegoriser | (noun) someone who communicates in allegories | Synonyms: allegorizer |
|---|
| allegorizer | (noun) someone who communicates in allegories | Synonyms: allegoriser |
|---|
| allegory | (noun) a short moral story (often with animal characters) | Synonyms: apologue, fable, parable |
|---|
| (noun) an expressive style that uses fictional characters and events to describe some subject by suggestive resemblances; an extended metaphor | - |
| (noun) a visible symbol representing an abstract idea | Synonyms: emblem |
| allelomorph | (noun) (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character | Synonyms: allele |
|---|
| alleviator | (noun) remedy that alleviates pain without curing | Synonyms: alleviant, palliative |
|---|
| (noun) a therapist who makes suffering more endurable | - |
| alligator | (noun) either of two amphibious reptiles related to crocodiles but with shorter broader snouts | Synonyms: gator |
|---|
| (noun) leather made from alligator's hide | - |
| alligatorfish | (noun) small very elongate sea poachers | Synonyms: Aspidophoroides monopterygius |
|---|
| alliterator | (noun) a speaker or writer who makes use of alliteration | - |
|---|
| allocator | (noun) a person with authority to allot or deal out or apportion | Synonyms: distributor |
|---|