I. in-ˈde-vər verb
( en·deav·ored ; en·deav·or·ing -v(ə-)riŋ)
Etymology: Middle English endeveren to exert oneself, from en- + dever duty — more at devoir
Date: 15th century
transitive verb
1. archaic : to strive to achieve or reach
2. : to attempt (as the fulfillment of an obligation) by exertion of effort
endeavor s to finish the race
intransitive verb
: to work with set purpose
Synonyms: see attempt
II. noun
Date: 15th century
1. : serious determined effort
2. : activity directed toward a goal : enterprise
fields of endeavor