Advanced and Proficiency Vocabulary for Exams(e.g.GRE, Banks, Civil Services, SAT / LSAT). For IELTS/TOEFL, and everyday spoken vocabulary, go to our Spoken Vocabulary Database.
The word ‘nonchalant’ expresses an air of easy unconcern or casualness that suggests indifference or unconcern, even if that is not genuinely felt. In a professional environment, nonchalance is negative, being associated with carelessness and a lack of effort. In a social context, it may be regarded as being cool or collected.