definition of
effort

[1] #1 effort n. [attempt, 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". wn

[2] #2 effort n. [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". wn

[3] #3 effort n. [feat, exploit] a notable achievement; "he performed a great feat"; "the book was her finest effort". wn

[4] #4 effort n. [campaign, cause, crusade, drive, movement] 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. wn