/ Thesaurus / S Synonyms of surgical knife Find synonyms for: Noun1. surgical knife, knife, surgical instrumentusage: a very sharp knife used in surgeryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language