Breadcrumb Home > Thesaurus > E Synonyms of extern Find synonyms for: Noun 1. extern, medical extern, doctor, doc, physician, MD, Dr., medico usage: a nonresident doctor or medical student; connected with a hospital but not living there WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of extern (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language