Nonchalant
[nɒn.ʃəl.ənt]
Adjective
- Of a person or manner; feeling casually calm and relaxed; not displaying anxiety, interest, or enthusiasm.
Usage
- John earned enemies in the industry with his dismissive comments and nonchalant behaviour
Origin
Came from French ‘nonchaloir’ (verb) to ‘nonchalant’ meaning ‘not being concerned’, and finally to the modern meaning from mid-18th Century: from French, literally ‘not being concerned’.