/ Thesaurus / D Synonyms of diclofenac sodium Find synonyms for: Noun1. diclofenac sodium, Voltaren, nonsteroidal anti-inflammatory, nonsteroidal anti-inflammatory drug, NSAIDusage: a nonsteroidal anti-inflammatory drug (trade name Voltaren) that is administered only orallyWordNet 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