/ Dictionary / Index S sheesh: Meaning and Definition of Find definitions for: sheesh Pronunciation: (shēsh), [key] (used to express exasperation). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sheers sheet Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language