/ Dictionary / Index T tune-up: Meaning and Definition of Find definitions for: tune-up Pronunciation: (tn'up", tyn'-), [key] — n. an adjustment, as of a motor, to improve working order or condition: The car needs a tune-up badly. a preparatory activity or warm-up, as before a contest or game: The track meet served as a tune-up for the Olympics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tune-up (Thesaurus) tunesmith Tungchow Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language