noun earnest and conscientious activity intended to do or accomplish something.
— synonyms: attempt, endeavor, endeavour, try
noun use of physical or mental energy.
— synonyms: elbow_grease, exertion, travail, sweat
noun a notable achievement.
— synonyms: feat, exploit
noun a series of actions advancing a principle or tending toward a particular end.
— synonyms: campaign, cause, crusade, drive, movement
Examples
“It took a lot of effort to find a decent-sized, fully-furnished apartment within walking distance of the office. He made a conscious effort to not appear affected by the stories in the paper.”
“Although he didn't win any medals, Johnson's effort at the Olympics won over many fans.”