/ Thesaurus / N Synonyms of n th Find synonyms for: Adjective1. nth, n-th, ordinal (vs. cardinal)usage: last or greatest in an indefinitely large series; "to the nth degree"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language