/ Thesaurus / U Synonyms of ultrahigh frequency Find synonyms for: Noun1. ultrahigh frequency, UHF, radio frequencyusage: 300 to 3000 megahertzWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language