SENILITY Scrabble 11 Words With Friends 12 Definition noun mental infirmity as a consequence of old age. — synonyms: dotage, second_childhood noun the state of being senile. Examples “He was entering his years of senility and not liking it a bit.” See all 138 words you can make from SENILITY → 8-letter words Words starting with S Words ending with Y ← Unscramble different letters