- 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"
--1 is a kind of activity
--1 has particulars:batting; best; worst; bid, play; braving, confronting, coping with, grappling, tackling; crack, fling, go, pass, whirl, offer; essay; foray; contribution, part, share; liberation; mug's game; power play, squeeze play, squeeze; research effort; seeking; shot, stab; shot; striving, nisus, pains, strain; struggle, battle; takeover attempt; test, trial, run; test, trial - effort, elbow grease, exertion, travail, sweat - use of physical or mental energy; hard work; "he got an A for effort"; "they managed only with great exertion"
--2 is a kind of labor, labour, toil
--2 has particulars: - campaign, cause, crusade, drive, movement, effort - a series of actions advancing a principle or tending toward a particular end; "he supported populist campaigns"; "they worked in the cause of world peace"; "the team was ready for a drive toward the pennant"; "the movement to end slavery"; "contributed to the war effort"
--3 is a kind of venture
--3 has particulars: - deed, feat, effort, exploit - a notable achievement; "he performed a great deed"; "the book was her finest effort"
--4 is a kind of accomplishment, achievement
--4 has particulars: