/ Thesaurus / P Synonyms of pyrectic Find synonyms for: Noun1. pyrogen, pyrectic, substanceusage: any substance that can cause a rise in body temperatureAdjective1. pyrecticusage: having or causing feverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language