[ non-shuh-lahns, non-shuh-lahns, -luh ns ]
/ ˌnɒn ʃəˈlɑns, ˈnɒn ʃəˌlɑns, -ləns /


the state or quality of being nonchalant; cool indifference or lack of concern; casualness.

Origin of nonchalance

From French, dating back to 1670–80; see origin at nonchalant, -ance Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for nonchalance