English Reference

Word

anti

Phoneticsan·ti, stress on the first syllable

US/ˈænˌtaɪ/

UK/ˈænti/

Definitions

01opposed to something

B1 · Intermediate

adj. being against a particular idea, person, or plan.

adj. expressing or characterised by opposition to a specific concept, policy, or individual.

“Most of the people at the meeting were anti the new tax plan.”

“The local council remained staunchly anti the proposed development, citing concerns over increased traffic and the loss of green space.”

Antonyms

02an opponent

B2 · Upper Intermediate Countable noun Informal

n. a person who is against a certain idea or law.

n. a person who opposes a particular principle, policy, or movement.

“The debate was split between the pros and the antis.”

“The antis argued that the new regulation would stifle innovation, while supporters claimed it was necessary for public safety.”

Synonyms

opponentdissenter

Antonyms

03a hostile fan

C1 · Advanced Countable noun Slang · Informal

n. a person who hates a specific celebrity, show, or fictional couple and often attacks them online.

n. a person who actively opposes or criticises a specific creator, franchise, or fictional relationship, often within online fan communities.

“She had to block a few antis who were leaving mean comments on her fan art.”

“The online forum became toxic as antis and dedicated fans clashed over the controversial direction of the show's final season.”

Synonyms

Antonyms

04against

B1 · Intermediate Informal

prep. a short way of saying 'against' or 'opposed to'.

prep. functioning as a preposition to indicate opposition to a noun phrase.

“Are you pro or anti the new school rules?”

“The senator's voting record is consistently anti any legislation that increases government spending.”

Synonyms

Antonyms

pro

Usage

Commonly used as a prefix (anti-war, anti-social); when used as a standalone preposition, it is informal and takes a noun phrase object.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Very common
Level
B1 · Intermediate
Updated

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