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Definition of against

against

/əˈɡɛnst/
a · gainst

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against Lexical Profile

against Game Scores & Validity

• preposition

1

In opposition or hostility to; contrary to the wishes, rules, or interests of.

Example

"The committee voted against the proposed budget cuts."


2

In physical contact with, so as to be supported by or collide with.

Example

"She leaned her bicycle against the brick wall outside the library."


3

In anticipation of and preparation for a problem, difficulty, or natural condition.

Example

"Vaccination provides effective protection against seasonal influenza."


4

In visual or conceptual contrast with a background or standard of comparison.

Example

"The dark pine trees stood out sharply against the snowy mountainside."

Synonyms
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Antonyms
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• Rhymes for against

Word Origin & Etymology

From Middle English 'againes', formed by adding an adverbial genitive '-es' (later developing a parasitic '-t', as in 'amongst' and 'amidst') to Old English 'ongeagn' ('toward, opposite, contrary to').

Cite this Entry


Wordmom. (2026). Definition of Against. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/against
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