/ Thesaurus / T Synonyms of thirty eighth Find synonyms for: Adjective1. thirty-eighth, 38th, ordinal (vs. cardinal)usage: the ordinal number of thirty-eight in counting orderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language