/ Thesaurus / O Synonyms of orinase Find synonyms for: Noun1. tolbutamide, Orinase, sulfonylurea, hypoglycemic agent, hypoglycaemic agentusage: sulfonylurea; an oral antidiabetic drug (trade name Orinase) used in the treatment of adult-onset diabetes mellitusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language