endeavour ( ɪnˈdɛvə) or endeavor vb to try (to do something) n an effort to do or attain something [C14: endeveren, from en-1 + -deveren from dever duty, from Old French deveir; see devoirs] enˈdeavourer, enˈdeavorer n
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ENDEAVOURED | meaning in the Cambridge English Dictionary
Meaning of endeavoured. What does endeavoured mean? Information and translations of endeavoured in the most comprehensive dictionary definitions resource on the web.
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.