WATERMELON Scrabble 15 Words With Friends 18 Definition noun an African melon. — synonyms: watermelon_vine, Citrullus_vulgaris noun large oblong or roundish melon with a hard green rind and sweet watery red or occasionally yellowish pulp. See all 479 words you can make from WATERMELON → 10-letter words Words starting with W Words ending with N ← Unscramble different letters