/ Dictionary / Index S simian: Meaning and Definition of Find definitions for: sim•i•an Pronunciation: (sim'ē-un), [key] — adj. of or pertaining to an ape or monkey. characteristic of apes or monkeys: long, simian fingers. —n. an ape or monkey. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: simian (Thesaurus) Simhath Torah simian shelf Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language