/ Dictionary / Index T tomfool: Meaning and Definition of Find definitions for: tom•fool Pronunciation: (tom'fl'), [key] — n. a grossly foolish or stupid person; a silly fool. —adj. being or characteristic of a tomfool. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tomfool (Thesaurus) tomentum tomfoolery Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language