/ Dictionary / Index S subhuman: Meaning and Definition of Find definitions for: sub•hu•man Pronunciation: (sub-hy'mun or, often, -y'-), [key] — adj. less than or not quite human. almost human: In some respects, the porpoise is subhuman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subhuman (Thesaurus) subhedral subincision Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language