/ Thesaurus / P Synonyms of peter medawar Find synonyms for: Noun1. Medawar, Peter Medawar, Sir Peter Brian Medawarusage: British immunologist (born in Brazil) who studied tissue transplants and discovered that the rejection of grafts was an immune response (1915-1987)WordNet 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