Online Etymology Dictionary

anti-choice (adj.): also antichoice, 1978; see pro-life.
anti-communist (adj.): 1919, from anti- + communist.
anti-imperialist (adj.): 1898, American English, in debates about the Spanish-American War, from anti- + imperialist. Related: Anti-imperialism.
anti-intellectual: 1821 (adj.), from anti- + intellectual. As a noun meaning "an anti-intellectual person" from 1913.
anti-intellectualism (n.): 1904, from anti- + intellectualism; or in some cases from anti-intellectual + -ism.
anti-macassar (n.): also antimacassar, 1852, from anti- + macassar oil, proprietary name of a hair tonic advertised as imported from the district of Macassar on the Indonesian island of Sulawesi. The cloth was laid to protect chair and sofa fabric from people leaning their oily heads back against it.
anti-Semite (n.): 1881, see anti-Semitism.
anti-Semitic (adj.): 1881, see anti-Semitism.
anti-Semitism (n.): also antisemitism, 1881, from German Antisemitismus, first used by Wilhelm Marr (1819-1904) German radical, nationalist and race-agitator, who founded the Antisemiten-Liga in 1879; see anti- + Semite.

Not etymologically restricted to anti-Jewish theories, actions, or policies, but almost always used in this sense. Those who object to the inaccuracy of the term might try Hermann Adler's Judaeophobia (1882). Anti-Semitic (also antisemitic) and anti-Semite (also antisemite) also are from 1881, like anti-Semitism they appear first in English in an article in the "Athenaeum" of Sept. 31, in reference to German literature.
anti-social (adj.): also antisocial, 1797, from anti- + social (adj.). First-attested use is in sense of "unsociable;" meaning "hostile to social order or norms" is from 1802.
anti-war (adj.): also antiwar, 1857, from anti- + war (n.).
antibiotic (adj.): 1894, "destructive to micro-organisms," from French antibiotique (c.1889), from anti- "against" (see anti-) + biotique "of (microbial) life," from Late Latin bioticus "of life" (see biotic). As a noun, first recorded 1941 in works of U.S. microbiologist Selman Waksman (1888-1973), discoverer of streptomycin. Earlier the adjective was used in a sense "not from living organisms" in debates over the origins of certain fossils.
antibody (n.): "substance developed in blood as an antitoxin," 1901, a hybrid formed from anti- "against" + body. Probably a translation of German Antikörper, condensed from a phrase such as anti-toxisches Körper "anti-toxic body."
antic (n.): 1520s, "grotesque or comical gesture," from Italian antico "antique," from Latin antiquus "old" (see antique). Originally (like grotesque) a 16c. Italian word referring to the strange and fantastic representations on ancient murals unearthed around Rome (especially originally the Baths of Titus, rediscovered 16c.); later extended to "any bizarre thing or behavior," in which sense it first arrived in English. As an adjective in English from 1580s, "grotesque, bizarre."
antichrist (n.): c.1300, from Late Latin antichristus, from Greek antikhristos [I John ii:18], from anti- "against" (see anti-) + khristos (see Christ).
antichristian (adj.): 1530s, "pertaining to the antichrist," from antichrist + -ian; as "hostile or opposed to to Christianity or Christians" (also anti-Christian), 1580s, from anti- + Christian (adj.).
anticipate (v.): 1530s, "to cause to happen sooner," a back-formation from anticipation, or else from Latin anticipatus, past participle of anticipare "take (care of) ahead of time," literally "taking into possession beforehand," from ante "before" (see ante) + capere "to take" (see capable).

Later "to be aware of (something) coming at a future time" (1640s). Used in the sense of "expect, look forward to" since 1749, but anticipate has an element of "prepare for, forestall" that should prevent its being used as a synonym for expect. Related: Anticipated; anticipating.
anticipation (n.): late 14c., from Latin anticipationem (nominative anticipatio) "preconception, preconceived notion," noun of action from past participle stem of anticipare "take care of ahead of time" (see anticipate). Meaning "action of looking forward to" is from 1809.
anticipatory (adj.): 1660s, from anticipate + -ory.
anticlimactic (adj.): also anti-climactic, 1831; see anticlimax + -ic.
anticlimax (n.): "the addition of a particular which suddenly lowers the effect," 1701, from anti- + climax (n.).
anticline (n.): 1867, earlier anticlinal (1849, by ellipsis from anticlinal fold), from anti- "against" + Greek klinein "to lean, slope" (see lean (v.)). Form assimilated to incline.
anticoagulant: 1905, adjective and noun, from anti- + coagulant.
antics (n.): "ludicrous behavior," 1520s; see antic.
anticyclone (n.): 1863, coined by Francis Galton (1822-1911), English polymath, explorer, and meteorologist, from anti- + cyclone. Related: Anticyclonic.
antidepressant (n.): 1876, from anti- + depressant.
antidisestablishmentarianism (n.): "opposition to disestablishment of the Church of England," 1838, said by Weekley to be first recorded in Gladstone's "Church and State," from dis- + establishment in the sense of "the ecclesiastical system established by law; the Church of England" (1731). Hence, establishmentarianism "the principle of a state church," and disestablish (1590s) "to deprive (a church) of especial state patronage and support" (first used specifically of Christian churches in 1806), which are married in this word. Rarely used at all now except in examples of the longest words, amongst which it has been counted at least since 1901.
antidotal (adj.): 1640s, from antidote + -al (1).
antidote (n.): "remedy counteracting poison," 1510s (earlier in English as a Latin word), from Middle French antidot and directly from Latin antidotum "a remedy against poison," from Greek antidoton "given as a remedy," literally "given against," verbal adjective of antididonai "give in return," from anti- "against" + didonai "to give" (see date (n.1)). Cf. Middle English antidotarie "treatise on drugs or medicines" (c.1400).
Antietam: place name, eastern U.S., from an Algonquian word perhaps meaning "swift water;" the name occurrs in Pennsylvania and Ohio, but the best-known is a creek near Sharpsburg in Washington County, Maryland, site of a bloody Civil War battle Sept. 17, 1862.
antifebrile: 1660s, from anti- + febrile.
antifreeze: also anti-freeze; 1913 (adj.), 1935 as a noun; from anti- + freeze.
antigen (n.): "substance that causes production of an antibody," 1908, from German Antigen, from French antigène (1899), from anti- (see anti-) + Greek -gen (see -gen).
Antigone: daughter of Oedipus, her name may mean "in place of a mother" in Greek, from anti- "opposite, in place of" (see anti-) + gone "womb, childbirth, generation," from root of gignesthai "to be born" related to genos "race, birth, descent" (see genus).
Antigua: Caribbean island, from Spanish fem. of antiguo, literally "ancient, antique" (see antique); discovered by Columbus in 1493 and named by him for the church of Santa Maria la Antigua ("Old St. Mary's") in Seville.
antihero (n.): also anti-hero; 1714, from anti- + hero.
antihistamine (n.): 1933, from anti- + histamine.
antimatter (n.): also anti-matter, 1953, from anti- + matter (n.).
antimetabole (n.): 1590s, from Greek antimetabole, from anti- "opposite" (see anti-) + metabole "turning about" (see metabolism).
antimony (n.): brittle metallic element, early 15c., from Old French antimoine and directly from Medieval Latin antimonium, an alchemist's term (used 11c. by Constantinus Africanus), origin obscure, probably a Latinization of Greek stimmi "powdered antimony, black antimony" (a cosmetic used to paint the eyelids), from some Arabic word (cf. al 'othmud), unless the Arabic word is from the Greek or the Latin is from Arabic; probably ultimately from Egyptian stm "powdered antimony." In French folk etymology, anti-moine "monk's bane" (from moine).

As the name of a pure element, it is attested in English from 1788. Its chemical symbol Sb is for Stibium, the Latin name for "black antimony," which word was used also in English for "black antimony."
antinode (n.): 1872, from anti- + node.
antinomian (n.): "one who maintains the moral law is not binding on Christians under the law of grace," 1640s, from Medieval Latin Antinomi, name given to a sect of this sort that arose in Germany in 1535, from Greek anti- "opposite, against" (see anti-) + nomos "rule, law" (see numismatics).
antinomianism (n.): 1640s, from antinomian + -ism.
antinomy (n.): 1590s, "contradiction in the laws," from Latin antinomia, from Greek antinomia "ambiguity in the law," from anti- "against" (see anti-) + nomos "law" (see numismatics). As a term in logic, from 1802 (Kant).
Antioch: modern Antakya in Turkey, anciently the capital of Syria, founded c.300 B.C.E. by Seleucus I Nictor and named for his father, Antiochus.
antioxidant: 1920 (n.); 1932 (adj.), from anti- + oxidant.
antipasto (n.): 1934, from Italian antipasto, from anti- "before" (see ante) + pasto "food," from Latin pascere "to feed" (see pastor). Earlier anglicized as antepast (1590).
antipathetic (adj.): 1630s "having an antipathy for," from an adjectival construction from Greek antipathein (see antipathy). Related: antipathetical (c.1600); antipathetically.
antipathic (adj.): 1830, from French antipathique; see antipathy + -ic. It tends to be used in medicine in place of antipathetic.
antipathy (n.): c.1600, from Latin antipathia, from Greek antipatheia, noun of state from antipathes "opposed in feeling, having opposite feeling; in return for suffering; felt mutually," from anti- "against" (see anti-) + root of pathos "feeling" (see pathos).