/ Thesaurus / P Synonyms of polybutene Find synonyms for: Noun1. polybutylene, polybutene, butylene, buteneusage: a polymer of butylene; used in lubricants and synthetic rubberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language