/ Thesaurus / Z Synonyms of zarontin Find synonyms for: Noun1. ethosuximide, Emeside, Zarontin, anticonvulsant, anticonvulsant drug, antiepileptic, antiepileptic drugusage: an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language