anti

[ an-tahy, an-tee ]
/ ˈæn taɪ, ˈæn ti /

noun, plural an·tis.

a person who is opposed to a particular practice, party, policy, action, etc.

Origin of anti

First recorded in 1780–90; by shortening of words prefixed with anti-

Definition for anti (2 of 2)

anti-

a prefix meaning “against,” “opposite of,” “antiparticle of,” used in the formation of compound words (anticline); used freely in combination with elements of any origin (antibody; antifreeze; antiknock; antilepton).
Also before a vowel, ant-.

Origin of anti-

Middle English < Latin < Greek, prefixal use of antí; akin to Sanskrit ánti opposite, Latin ante, Middle Dutch ende (> Dutch en and), English an- in answer. Cf. ante-, and

WORDS THAT MAY BE CONFUSED WITH anti-

ante ante- anti- auntie

Example sentences from the Web for anti

British Dictionary definitions for anti (1 of 2)

anti
/ (ˈæntɪ) informal /

adjective

opposed to a party, policy, attitude, etc he won't join because he is rather anti

noun

an opponent of a party, policy, etc

British Dictionary definitions for anti (2 of 2)

anti-

prefix

against; opposing anticlerical; antisocial
opposite to anticlimax; antimere
rival; false antipope
counteracting, inhibiting, or neutralizing antifreeze; antihistamine
designating the antiparticle of the particle specified antineutron

Word Origin for anti-

from Greek anti

Medical definitions for anti

anti-

pref.

Opposite:antimere.
Opposing; against:antisocial.
Counteracting; neutralizing:antibody.

Scientific definitions for anti

anti-

A prefix whose basic meaning is “against.” It is used to form adjectives that mean “counteracting” (such as antiseptic, preventing infection). It is also used to form nouns referring to substances that counteract other substances (such as antihistamine, a substance counteracting histamine), and nouns meaning “something that displays opposite, reverse, or inverse characteristics of something else” (such as anticyclone, a storm that circulates in the opposite direction from a cyclone). Before a vowel it becomes ant-, as in antacid.