/ Dictionary / Index S splenetic: Meaning and Definition of Find definitions for: sple•net•ic Pronunciation: (spli-net'ik), [key] — adj. —n. a splenetic person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: splenetic (Thesaurus) splenectomy splenic Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language