/ Dictionary / Index T truthful: Meaning and Definition of Find definitions for: truth•ful Pronunciation: (trth'ful), [key] — adj. telling the truth, esp. habitually: a truthful person. conforming to truth: a truthful statement. corresponding with reality: a truthful portrait. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: truthful (Thesaurus) truth claim truth-function Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language