/ Dictionary / Index F forceful: Meaning and Definition of Find definitions for: force•ful Pronunciation: (fôrs'ful, fōrs'-), [key] — adj. full of force; powerful; vigorous; effective: a forceful plea for peace. acting or driven with force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: forceful (Thesaurus) force fit force majeure Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language