PARENTHESIS /pəˈɹɛnθəsɪs/ ► audio Scrabble 16 Words With Friends 17 Definition noun either of two punctuation marks (or) used to enclose textual material. noun a message that departs from the main subject. — synonyms: digression, aside, excursus, divagation Anagrams of PARENTHESIS interphases See all 1358 words you can make from PARENTHESIS → 11-letter words Words starting with P Words ending with S ← Unscramble different letters