/ Dictionary / Index A all-time: Meaning and Definition of Find definitions for: all-time Pronunciation: (ôl'tīm"), [key] — adj. never surpassed or greater: Production will reach an all-time high. regarded as such in its entire history: an all-time favorite song. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: all-time (Thesaurus) All the King's Men* allude Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language