/ Dictionary / Index S Susian: Meaning and Definition of Find definitions for: Su•si•an Pronunciation: (s'zē-un), [key] — n. a native or inhabitant of Susa or Susiana. Elamite (def. 2). —adj. of or pertaining to Susa or Susiana. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: susian (Thesaurus) sushi Susiana 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