"endeavour" in the noun sense
1. enterprise, endeavor, endeavour
a purposeful or industrious undertaking (especially one that requires effort or boldness
"he had doubts about the whole enterprise"
2. attempt, effort, endeavor, endeavour, try
earnest and conscientious activity intended to do or accomplish something
"made an effort to cover all the reading material"
"wished him luck in his endeavor"
"she gave it a good try"
"endeavour" in the verb sense
1. endeavor, endeavour, strive
attempt by employing effort
"we endeavor to make our customers happy"
Source: WordNet® (An amazing lexical database of English)
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