Breadcrumb Home > Thesaurus > H Synonyms of hypo Find synonyms for: Noun1. hypo, sodium thiosulphate, sodium thiosulfate, fixing agent, fixerusage: a compound used as a fixing agent in photographic developing2. hypodermic syringe, hypodermic, hypo, syringeusage: a piston syringe that is fitted with a hypodermic needle for giving injectionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of hypo (Dictionary) ✖ Related Content Daily Word Quiz: unctuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language