/ Dictionary / Index S subordinal: Meaning and Definition of Find definitions for: sub•or•di•nal Pronunciation: (sub-ôr'dn-l), [key] — adj. of, pertaining to, or ranked as a suborder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. suborder subordinate Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language