oldness Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the state of being old or aging. Example Sentence Grandma's oldness made it difficult for her to walk. More Example Sentences Oldness can bring wisdom and experience. Synonyms age; antiquity; maturity Antonyms youth; freshness; newness Hear It! Say It! Write It! oldness Switch to cursive Start Share with your friends: