OPTIMISTIC /ˌɒptɪˈmɪstɪk/ Scrabble 16 Words With Friends 19 Definition adjective expecting the best in this best of all possible worlds. adjective expecting the best. — synonyms: affirmative Examples “in an optimistic mood”“optimistic concurrency” See all 128 words you can make from OPTIMISTIC → 10-letter words Words starting with O Words ending with C ← Unscramble different letters