| academic | (noun) an educator who works at a college or university | Synonyms: academician, faculty member |
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| acatalectic | (noun) (prosody) a line of verse that has the full number of syllables | - |
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| acoustic | (noun) a remedy for hearing loss or deafness | - |
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| acrostic | (noun) a puzzle where you fill a square grid with words reading the same down as across | Synonyms: word square |
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| (noun) verse in which certain letters such as the first in each line form a word or message | - |
| acrylic | (noun) a synthetic fabric made from polyacrylonitrile | - |
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| (noun) used especially by artists | Synonyms: acrylic paint |
| (noun) a glassy thermoplastic; can be cast and molded or used in coatings and adhesives | Synonyms: acrylate resin, acrylic resin |
| (noun) polymerized from acrylonitrile | Synonyms: acrylic fiber |
| adrenergic | (noun) drug that has the effects of epinephrine | Synonyms: adrenergic drug |
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| aesthetic | (noun) (philosophy) a philosophical theory as to what is beautiful | Synonyms: esthetic |
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| agaric | (noun) a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside | - |
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| (noun) fungus used in the preparation of punk for fuses | Synonyms: Fomes igniarius |
| agnostic | (noun) a person who claims that they cannot have true knowledge about the existence of God (but does not deny that God might exist) | - |
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| (noun) someone who is doubtful or noncommittal about something | Synonyms: doubter |
| alcoholic | (noun) a person who drinks alcohol to excess habitually | Synonyms: alky, boozer, dipsomaniac, lush, soaker, souse |
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| alembic | (noun) an obsolete kind of container used for distillation; two retorts connected by a tube | - |
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| alexic | (noun) a person with alexia | - |
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| amnesic | (noun) a person suffering from amnesia | Synonyms: amnesiac |
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| anaesthetic | (noun) a drug that causes temporary loss of bodily sensations | Synonyms: anaesthetic agent, anesthetic, anesthetic agent |
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| analeptic | (noun) a medication used as a stimulant to the central nervous system | - |
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| analgesic | (noun) a medicine used to relieve pain | Synonyms: anodyne, pain pill, painkiller |
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| analphabetic | (noun) an illiterate person who does not know the alphabet | Synonyms: analphabet |
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| anesthetic | (noun) a drug that causes temporary loss of bodily sensations | Synonyms: anaesthetic, anaesthetic agent, anesthetic agent |
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| anionic | (noun) a class of synthetic detergents in which the molecules do not ionize in aqueous solutions | Synonyms: anionic detergent, non-ionic detergent |
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| anorectic | (noun) a person suffering from anorexia nervosa | Synonyms: anorexic |
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| anorexic | (noun) a person suffering from anorexia nervosa | Synonyms: anorectic |
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| anthelminthic | (noun) a medication capable of causing the evacuation of parasitic intestinal worms | Synonyms: anthelmintic, helminthic, vermifuge |
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| anthelmintic | (noun) a medication capable of causing the evacuation of parasitic intestinal worms | Synonyms: anthelminthic, helminthic, vermifuge |
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| antiarrhythmic | (noun) a drug used to treat an abnormal heart rhythm | Synonyms: antiarrhythmic drug, antiarrhythmic medication |
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| antibiotic | (noun) a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections | Synonyms: antibiotic drug |
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| antic | (noun) a ludicrous or grotesque act done for fun and amusement | Synonyms: caper, joke, prank, put-on, trick |
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| anticholinergic | (noun) a substance that opposes or blocks the action of acetylcholine | Synonyms: anticholinergic drug |
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| antidiabetic | (noun) a drug used to treat diabetes mellitus | Synonyms: antidiabetic drug |
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| antidiuretic | (noun) a drug that limits the formation of urine | Synonyms: antidiuretic drug |
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| antiemetic | (noun) a drug that prevents or alleviates nausea and vomiting | Synonyms: antiemetic drug |
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| antiepileptic | (noun) a drug used to treat or prevent convulsions (as in epilepsy) | Synonyms: anticonvulsant, anticonvulsant drug, antiepileptic drug |
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| antimicrobic | (noun) an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease | Synonyms: antimicrobial, disinfectant, germicide |
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| antimycotic | (noun) any agent that destroys or prevents the growth of fungi | Synonyms: antifungal, antifungal agent, antimycotic agent, fungicide |
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| antineoplastic | (noun) any of several drugs that control or kill neoplastic cells; used in chemotherapy to kill cancer cells; all have unpleasant side effects that may include nausea and vomiting and hair loss and suppression of bone marrow function | Synonyms: antineoplastic drug, cancer drug |
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| antipruritic | (noun) a substance that relieves or prevents itching | - |
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| antipsychotic | (noun) tranquilizer used to treat psychotic conditions when a calming effect is desired | Synonyms: antipsychotic agent, antipsychotic drug, major tranquilizer, major tranquilliser, major tranquillizer, neuroleptic, neuroleptic agent, neuroleptic drug |
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| antipyretic | (noun) any medicine that lowers body temperature to prevent or alleviate fever | Synonyms: febrifuge |
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| antiseptic | (noun) a substance that destroys micro-organisms that carry disease without harming body tissues | - |
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| antispasmodic | (noun) a drug used to relieve or prevent spasms (especially of the smooth muscles) | Synonyms: antispasmodic agent, spasmolytic |
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| antisyphilitic | (noun) a drug (or other chemical agent) that is effective against syphilis | - |
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| anxiolytic | (noun) a tranquilizer used to relieve anxiety and reduce tension and irritability | Synonyms: antianxiety drug, anxiolytic drug, minor tranquilizer, minor tranquilliser, minor tranquillizer |
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| aphakic | (noun) someone afflicted by aphakia; someone lacking the natural lenses of the eyes | - |
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| aphasic | (noun) someone affected by aphasia or inability to use or understand language | - |
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| aquatic | (noun) a plant that lives in or on water | - |
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| archbishopric | (noun) the territorial jurisdiction of an archbishop | - |
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| arctic | (noun) a waterproof overshoe that protects shoes from water or snow | Synonyms: galosh, golosh, gumshoe, rubber |
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| arithmetic | (noun) the branch of pure mathematics dealing with the theory of numerical calculations | - |
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| arsenic | (noun) a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and in various alloys; found in arsenopyrite and orpiment and realgar | Synonyms: As, atomic number 33 |
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| (noun) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer | Synonyms: arsenic trioxide, arsenous anhydride, arsenous oxide, ratsbane, white arsenic |
| arthritic | (noun) a person afflicted with arthritis | - |
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| ascetic | (noun) someone who practices self denial as a spiritual discipline | Synonyms: abstainer |
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| asdic | (noun) a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return | Synonyms: echo sounder, sonar |
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| aspic | (noun) savory jelly based on fish or meat stock used as a mold for meats or vegetables | - |
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| asthmatic | (noun) a person suffering from asthma | - |
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| ataractic | (noun) a drug used to reduce stress or tension without reducing mental clarity | Synonyms: antianxiety agent, ataractic agent, ataractic drug, tranquilizer, tranquilliser, tranquillizer |
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| attic | (noun) floor consisting of open space at the top of a house just below roof; often used for storage | Synonyms: garret, loft |
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| (noun) (architecture) a low wall at the top of the entablature; hides the roof | - |
| (noun) informal terms for a human head | Synonyms: bean, bonce, dome, noggin, noodle |
| automatic | (noun) self-loading rifle capable of automatic fire | Synonyms: automatic rifle, machine rifle |
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| (noun) a pistol that will keep firing until the ammunition is gone or the trigger is released | Synonyms: automatic pistol |
| baldric | (noun) a wide (ornamented) belt worn over the right shoulder to support a sword or bugle by the left hip | Synonyms: baldrick |
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| basic | (noun) (usually in the plural) a necessary commodity for which demand is constant | Synonyms: staple |
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| biquadratic | (noun) a polynomial of the fourth degree | Synonyms: biquadratic polynomial, quartic polynomial |
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| (noun) an equation of the fourth degree | Synonyms: biquadratic equation |
| (noun) an algebraic equation or function of the fourth degree | Synonyms: biquadrate, fourth power, quartic |
| bishopric | (noun) the territorial jurisdiction of a bishop | Synonyms: diocese, episcopate |
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| bitumastic | (noun) a protective coating of asphalt and filter used on structural metals that are exposed to weathering | - |
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| brachycephalic | (noun) an adult with a short broad head | - |
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| bucolic | (noun) a short poem descriptive of rural or pastoral life | Synonyms: eclogue, idyl, idyll |
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| (noun) a country person | Synonyms: peasant, provincial |
| bulimic | (noun) a person suffering from bulimia | - |
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| cambric | (noun) a finely woven white linen | - |
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| catacaustic | (noun) a caustic curve formed by light reflecting from a curved surface. | - |
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| catalectic | (noun) (prosody) a line of verse that lacks a syllable in the last metrical foot | - |
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| cataleptic | (noun) a person suffering from catalepsy | - |
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| cathartic | (noun) a purging medicine; stimulates evacuation of the bowels | Synonyms: aperient, physic, purgative |
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| caustic | (noun) the envelope of light rays reflected or refracted by a curved surface or object | - |
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| (noun) any chemical substance that burns or destroys living tissue | - |
| cellulosic | (noun) a plastic made from cellulose (or a derivative of cellulose) | - |
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| ceramic | (noun) an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures | - |
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| characteristic | (noun) a distinguishing quality; a feature that can be used to identify something | - |
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| (noun) any measurable property of a device measured under closely specified conditions | Synonyms: device characteristic |
| (noun) a prominent attribute or aspect of something | Synonyms: feature |
| (noun) the integer part (positive or negative) of the representation of a logarithm; in the expression log 643 = 2.808 the characteristic is 2 | - |
| chic | (noun) elegance by virtue of being fashionable | Synonyms: chichi, chicness, last word, modishness, smartness, stylishness, swank |
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| chiropractic | (noun) a method of treatment that manipulates body structures (especially the spine) to relieve low back pain or even headache or high blood pressure | - |
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| classic | (noun) a creation of the highest excellence | - |
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| (noun) an artist who has created classic works | - |
| cleric | (noun) a clergyman or other person in religious orders | Synonyms: churchman, divine, ecclesiastic |
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| climacteric | (noun) the time in a woman's life in which the menstrual cycle ends | Synonyms: change of life, menopause |
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| (noun) a period in a man's life corresponding to menopause | - |
| clinic | (noun) a healthcare facility for outpatient care | - |
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| (noun) meeting for diagnosis of problems and instruction or remedial work in a particular activity | - |
| (noun) a medical establishment run by a group of medical specialists | - |
| clitic | (noun) a word that is treated in pronunciation as forming a part of a neighboring word and that is often unaccented or contracted. | - |
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| colic | (noun) acute abdominal pain (especially in infants) | Synonyms: gripes, griping, intestinal colic |
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| colonic | (noun) a water enema given to flush out the colon | Synonyms: colonic irrigation |
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| comedogenic | (noun) A substance that tends to produce acne, such as by clogging pores on the skin. | Synonyms: comedogen, comedogenic substance |
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| comic | (noun) a professional performer who tells jokes and performs comical acts | Synonyms: comedian |
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| congeneric | (noun) an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus) | Synonyms: congenator, congener, relative |
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| conic | (noun) (geometry) a curve generated by the intersection of a plane and a circular cone | Synonyms: conic section |
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| conspecific | (noun) an organism belonging to the same species as another organism | - |
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| cosmetic | (noun) a toiletry designed to beautify the body | - |
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| critic | (noun) a person who is professionally engaged in the analysis and interpretation of works of art | - |
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| (noun) anyone who expresses a reasoned judgment of something | - |
| (noun) someone who frequently finds fault or makes harsh and unfair judgments | - |
| cynic | (noun) someone who is critical of the motives of others | Synonyms: faultfinder |
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| deictic | (noun) a word specifying identity or spatial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs | Synonyms: deictic word |
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| demographic | (noun) a statistic characterizing human populations (or segments of human populations broken down by age or sex or income etc.) | - |
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| dermatoglyphic | (noun) the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet) | - |
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| diabetic | (noun) someone who has diabetes | - |
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| diacritic | (noun) a mark added to a letter to indicate a special pronunciation | Synonyms: diacritical mark |
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| dialectic | (noun) any formal system of reasoning that arrives at the truth by the exchange of logical arguments | - |
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| (noun) a contradiction of ideas that serves as the determining factor in their interaction | - |
| diaphoretic | (noun) used to produce perspiration | - |
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| dielectric | (noun) a material such as glass or porcelain with negligible electrical or thermal conductivity | Synonyms: insulator, nonconductor |
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| diuretic | (noun) any substance that tends to increase the flow of urine, which causes the body to get rid of excess water | Synonyms: diuretic drug, water pill |
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| dolichocephalic | (noun) an adult with a long narrow head | - |
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