/ Thesaurus / V Synonyms of vital sign Find synonyms for: Noun1. vital sign, signusage: sign of life; usually an indicator of a person's general physical condition; "he was still alive but his vital signs were weak"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rotund Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language