/ Thesaurus / R Synonyms of radio frequency Find synonyms for: Noun1. radio frequency, frequency, frequence, oftennessusage: an electromagnetic wave frequency between audio and infraredWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language