effort

(n) 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
attempt, try, endeavor, endeavour,
(n) use of physical or mental energy; hard work
- he got an A for effort
- they managed only with great exertion
elbow grease, exertion, travail, sweat,
(n) a notable achievement
- he performed a great feat
- the book was her finest effort
exploit, feat,
(n) 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
crusade, campaign, cause, drive, movement,

attempt try endeavor endeavour elbow grease exertion travail sweat exploit feat crusade campaign cause drive movement

effortful effortfulness effortless effortlessly effortlessness