/ Thesaurus / S Synonyms of silicone rubber Find synonyms for: Noun1. silicone rubber, rubber, synthetic rubberusage: made from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature rangeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language