/ Thesaurus / H Synonyms of heating pad Find synonyms for: Noun1. heating pad, hot pad, heater, warmerusage: heater consisting of electrical heating elements contained in a flexible padWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language