Definition of nonchalant adjective from the Oxford Advanced Learner's Dictionary. behaving in a calm and relaxed way; giving the impression that you are not feeling worried synonym casual (2) ‘It'll be fine,’ she replied, with a nonchalant shrug. She was almost nonchalant about the dangers involved. ‘They're not back yet then?’. Define nonchalant . nonchalant synonyms, nonchalant pronunciation, nonchalant translation, English dictionary definition of nonchalant . adj. Casually unconcerned or indifferent. See Synonyms at cool. non′cha·lance′ n. non′cha·lant′ly adv. American Heritage® Dictionary of the English... NONCHALANT meaning: relaxed and calm in a way that shows that you do not care or are not worried about anything What does it mean when someone is nonchalant? Someone who is nonchalant is relaxed and calm , either because they do not care about something or because they are not worried about something.
