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endeavour

British  
/ ɪnˈdɛvə /

verb

  1. to try (to do something)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an effort to do or attain something

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of endeavour

C14: endeveren , from en- 1 + -deveren from dever duty, from Old French deveir; see devoirs


Explanation

To endeavour is to strive for something. The endeavour itself is the thing you're striving for, the enterprise or undertaking. It's a primarily British spelling of the word. The Middle English root of endeavour means to "put oneself in" or "do one's utmost," so if you endeavour to do something, you do it with earnestness and a fair amount of effort. Americans usually spell the word endeavor, but NASA named one of its space shuttles the Endeavour. Why the extra "u"? NASA was honoring the HMS Endeavour, the first ship ever used by the British explorer Captain James Cook.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The BBC said Evans' challenge would be the "greatest ever distance" covered in a Radio 2 endeavour for the charity.

From BBC ● Sep. 26, 2026

Scientists are also trying to fight disease, though that's an expensive and laborious endeavour, which for most species buys only a little more time.

From BBC ● Aug. 8, 2026

But the singer made sure fans knew they were the most important element of the whole endeavour.

From BBC ● Jun. 13, 2026

Burnham would need to win a parliamentary by-election and become an MP to enter a Labour leadership contest, a complicated endeavour fraught with risk and uncertainty.

From BBC ● May 14, 2026

It had formerly been my endeavour to study all sides of his character: to take the bad with the good; and from the just weighing of both, to form an equitable judgment.

From "Jane Eyre" by Charlotte Brontë

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