/ Thesaurus / A Synonyms of all time Find synonyms for: Adjective1. all-time, incomparable (vs. comparable), uncomparableusage: unsurpassed in some respect up to the present; "prices at an all-time high"; "morale at an all-time low"; "among the all-time great lefthanders"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language