/ Thesaurus / R Synonyms of robaxin Find synonyms for: Noun1. methocarbamol, Robaxin, muscle relaxantusage: muscle relaxant for skeletal muscles (trade name Robaxin) used to treat spasmsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language