/ Thesaurus / P Synonyms of purinethol Find synonyms for: Noun1. mercaptopurine, Purinethol, antimetabolite, immunosuppressant, immunosuppressor, immunosuppressive drug, immunosuppressive, immune suppressant drugusage: a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemiaWordNet 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