/ Dictionary / Index F fretful: Meaning and Definition of Find definitions for: fret•ful Pronunciation: (fret'ful), [key] — adj. disposed or quick to fret; irritable or peevish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fretful (Thesaurus) fret fret saw Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language