/ Thesaurus / O Synonyms of o.d. Find synonyms for: Noun1. Doctor of Optometry, OD, doctor's degree, doctorateusage: a doctor's degree in optometry2. oculus dexter, OD, eye, oculus, opticusage: the right eyeVerb1. overdose, o.d., drug, doseusage: dose too heavily; "The rock star overdosed and was found dead in his hotel room"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language