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verb

endeavor

/ɪnˈdɛvər/  ·  say it: in·DEV·er

an earnest attempt or effort

In Formal & Academic

to try hard to do something

In Actions & Behavior

In more detail

1. (verb) to try hard to do or achieve something

2. (noun) a serious attempt or effort to do something

Examples

How to use endeavor

Endeavor suggests a serious, determined, or sustained effort, often implying some difficulty or ambition. It is more formal and literary than 'try' or 'attempt,' and is commonly used in official, academic, or elevated contexts. The noun form emphasizes the attempt or project itself rather than just the action of trying.

Register: formal

Common phrases

Synonyms

attempt · try · strive · undertake · seek

Opposites

abandon · neglect

Word family

endeavour (British spelling) · endeavoring · endeavored · endeavors

A common mistake

Learners sometimes spell it 'endever' or confuse it with 'endeavour' (the British spelling is equally correct but less common in American English).

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