anti

1 of 4

noun

an·​ti ˈan-ˌtī  ˈan-tē 

plural antis

: one that is opposed

The group was divided into pros and antis.

anti

2 of 4

adjective

: opposed

the anti group

anti

3 of 4

preposition

: opposed to : against

They were anti big corporations.

anti-

4 of 4

prefix

ˌan-ˌtī,

ˌan-tē,

 also  before consonsants ˌan-ti

variants or ant- or anth-

1

a

: of the same kind but situated opposite, exerting energy in the opposite direction, or pursuing an opposite policy

anticlinal

b

: one that is opposite in kind to

anticlimax

2

a

: opposing or hostile to in opinion, sympathy, or practice

anti-Semite

b

: opposing in effect or activity

antacid

3

: serving to prevent, cure, or alleviate

antianxiety

4

: combating or defending against

antiaircraft

antimissile

5

: being or composed of antimatter

antiproton

antihydrogen

Synonyms

Preposition

• against
• agin [dialect]
• contra

Examples of anti in a Sentence

Preposition

if you ask me, she's anti anything that sounds like the least bit of fun

Word History

Etymology

Noun

anti-

Adjective

see anti-

Preposition

see anti-

Prefix

anti- from Middle English, from Anglo-French & Latin; Anglo-French, from Latin, against, from Greek, from anti; ant- from Middle English, from Latin, against, from Greek, from anti; anth- from Latin, against, from Greek, from anti — more at ante-

First Known Use

Noun

1788, in the meaning defined above

Adjective

1855, in the meaning defined above

Preposition

1817, in the meaning defined above

Kids Definition

anti-

prefix

ˌant-i,

ˌant-ē,

ˌan-ˌtī

variants or ant- or anth-

1

: opposite in kind, position, or action

antihistamine

2

: opposed to

antisocial

3

: working against

antibacterial

antipollution

Etymology

Prefix

derived from Greek anti- "against"