👉 Nonchalantness is an adjective that describes a person who is uninterested, indifferent or indifferent to something. It can also mean being in a state of indifference, lack of interest, or not showing much emotion. In this context, it refers to someone who does not show any sign of concern, interest, or engagement with something, whether it's a social event, a conversation, or an individual. Nonchalantness can be characterized by the absence of any noticeable reaction or expression on someone