/ Dictionary / Index H hey: Meaning and Definition of Find definitions for: hey Pronunciation: (hā), [key] — interj. (used as an exclamation to call attention or to express pleasure, surprise, bewilderment, etc.) hello: used as a greeting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hexylresorcinol heyday 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