Breadcrumb Home > Thesaurus > H Synonyms of hello Find synonyms for: Noun1. hello, hullo, hi, howdy, how-do-you-do, greeting, salutationusage: an expression of greeting; "every morning they exchanged polite hellos"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of hello (Dictionary) ✖ Related Content Daily Word Quiz: tatterdemalion Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language