1.Definition: a notable achievement

"He performed a great feat", "The book was her finest effort"

Related Noun(s):exploit, feat

Category: General

2.Definition: 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"

Related Noun(s):campaign, cause, crusade, drive, movement

Category: General

3.Definition: 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"

Related Noun(s):attempt, endeavor, endeavour, try

Category: General

4.Definition: use of physical or mental energy; hard work

"He got an A for effort", "They managed only with great exertion"

Related Noun(s):exertion, sweat, travail

Category: General