/ Thesaurus / H Synonyms of hydroxymethyl Find synonyms for: Noun1. hydroxymethyl, methyl, methyl group, methyl radicalusage: a methyl with hydroxide replacing the hydrogen atomsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: plausible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language