/ Dictionary / Index H H.S.H.: Meaning and Definition of Find definitions for: H.S.H. Pronunciation: [key] His Serene Highness. Her Serene Highness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. H.S. Hsia Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language