HIGHNESS /ˈhaɪnəs/ ► audio Scrabble 15 Words With Friends 15 Definition noun (Your Highness or His Highness or Her Highness) title used to address a royal person. noun the quality of being high or lofty. — synonyms: loftiness noun a high degree (of amount or force etc.). See all 79 words you can make from HIGHNESS → 8-letter words Words starting with H Words ending with S ← Unscramble different letters