/ Thesaurus / R Synonyms of registered nurse Find synonyms for: Noun1. registered nurse, RN, nurseusage: a graduate nurse who has passed examinations for registrationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language