/ Dictionary / Index E effort: Meaning and Definition of Find definitions for: ef•fort Pronunciation: (ef'urt), [key] — n. exertion of physical or mental power: It will take great effort to achieve victory. an earnest or strenuous attempt: an effort to keep to the schedule. something done by exertion or hard work: I thought it would be easy, but it was an effort. an achievement, as in literature or art: The painting is one of his finest efforts. the amount of exertion expended for a specified purpose: the war effort. an organized community drive or achievement. a fund-raising drive. the force or energy that is applied to a machine for the accomplishment of useful work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: effort (Thesaurus) efflux effortful Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language