/ Thesaurus / S Synonyms of scar tissue Find synonyms for: Noun1. scar tissue, connective tissueusage: the connective tissue that forms a scar; consists of fibroblasts in new scars and collagen fibers in old scarsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language