/ Dictionary / Index T time-tested: Meaning and Definition of Find definitions for: time-test•ed Pronunciation: (tīm'tes"tid), [key] — adj. having proved valid, workable, or useful over a long span of time: a time-tested theory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: time-tested (Thesaurus) timetable time warp Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language