/ Dictionary / Index T tell-all: Meaning and Definition of Find definitions for: tell-all Pronunciation: (tel'ôl"), [key] thoroughly revealing; candid; personal: a tell-all biography of the movie star. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tellable Tell el Amarna Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language