GIBBOSITY Scrabble 17 Words With Friends 19 Definition noun something that bulges out or is protuberant or projects from its surroundings. — synonyms: bulge, bump, hump, swelling, gibbousness, jut, prominence, protuberance See all 74 words you can make from GIBBOSITY → 9-letter words Words starting with G Words ending with Y ← Unscramble different letters