/ Thesaurus / I Synonyms of identity operator Find synonyms for: Noun1. identity, identity element, identity operator, operatorusage: an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"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