/ Thesaurus / P Synonyms of pyrilamine Find synonyms for: Noun1. pyrilamine, antihistamineusage: antihistamine used to treat rhinitis and pruritusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language