NONCHALANT /ˈnɒn.ʃəl.ənt/ ► audio Scrabble 15 Words With Friends 19 Definition adjective marked by blithe unconcern. — synonyms: casual, insouciant Examples “We handled the whole frenetic situation with a nonchalant attitude.”“He is far too nonchalant about such a serious matter.” See all 129 words you can make from NONCHALANT → 10-letter words Words starting with N Words ending with T ← Unscramble different letters