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
use of physical or mental energy; hard work
he got an A for effort|they managed only with great exertion
a notable achievement
he performed a great feat|the book was her finest effort
Synonym: exploit, feat
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