/ Dictionary / Index F fad: Meaning and Definition of Find definitions for: fad Pronunciation: (fad), [key] — n. a temporary fashion, notion, manner of conduct, etc., esp. one followed enthusiastically by a group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fad (Thesaurus) faculty faddish Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language