GROWNUP Scrabble 13 Words With Friends 17 Definition adjective (of animals) fully developed. — synonyms: adult, big, full-grown, fully_grown, grown noun a fully developed person from maturity onward. — synonyms: adult Anagrams of GROWNUP upgrown See all 52 words you can make from GROWNUP → 7-letter words Words starting with G Words ending with P ← Unscramble different letters