/ Thesaurus / B Synonyms of blood donor Find synonyms for: Noun1. blood donor, donorusage: someone who gives blood to be used for transfusionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language