/ Dictionary / Index F fitful: Meaning and Definition of Find definitions for: fit•ful Pronunciation: (fit'ful), [key] — adj. coming, appearing, acting, etc., in fits or by spells; recurring irregularly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fitful (Thesaurus) Fitchburg fitly Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language