/ Thesaurus / H Synonyms of hundred and ninetieth Find synonyms for: Adjective1. hundred-and-ninetieth, 190th, ordinal (vs. cardinal)usage: the ordinal number of one hundred eighty-five in counting orderWordNet 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