/ Thesaurus / S Synonyms of sign language Find synonyms for: Noun1. sign language, signing, language, linguistic communicationusage: language expressed by visible hand gesturesAdjective1. gestural, sign(prenominal), signed, sign-language(prenominal), communicative (vs. uncommunicative), communicatoryusage: used of the language of the deafWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language