What is another word for insouciance?
Pronunciation: [ɪnsˈa͡ʊʃi͡əns] (IPA) 
Insouciance is a word that refers to a lack of concern or indifference. There are a number of synonyms for this term, including nonchalance, indifference, carelessness, unconcern, disregard, casualness, apathy, detachment, and complacency. All of these words refer to a state of being untroubled or uninvolved in a situation. Insouciance especially refers to behaving in a carefree manner and not worrying about the outcome. Nonchalance suggests a lack of interest or enthusiasm, while indifference implies a complete absence of concern. Carelessness, on the other hand, implies neglect or lack of attention.
