(noun, verb)


1. earnest and conscientious activity intended to do or accomplish something

- made an effort to cover all the reading material

Similar word(s): attempt, endeavor, endeavour, try

Definition categories: act, activity

2. use of physical or mental energy; hard work

- he got an A for effort

Similar word(s): exertion, sweat, travail

Definition categories: act, labor, labour, toil

3. a notable achievement

- the book was her finest effort

Similar word(s): exploit, feat

Definition categories: act, accomplishment, achievement

4. a series of actions advancing a principle or tending toward a particular end

- contributed to the war effort

Similar word(s): campaign, cause, crusade, drive, movement

Definition categories: act, venture

Sentences with effort as a noun:

- It took a lot of effort to find a decent-sized, fully-furnished apartment within walking distance of the office.

- Although he didn't win any medals, Johnson's effort at the Olympics won over many fans.


1. (uncommon, intransitive) To make an effort.

2. (obsolete, transitive) To stimulate.