nonchalant
UK[ˈnɒn.ʃəl.ənt]US[ˌnɑːn.ʃəˈlɑːnt]
adj
feeling or appearing casually calm and relaxed; not displaying anxiety, interest, or enthusiasm.
Morpheme Breakdown
non
chalant
non
not
chalant
concerned
Etymology
the word 'nonchalant' entered english in the 18th century from the french 'nonchalant', the present participle of the verb 'nonchaloir', meaning 'to disregard'. the french term was formed from the latin negative prefix 'non-' and the latin verb 'calere', meaning 'to be warm, to be hot'. the semantic journey is vivid: from the physical heat of 'calere', the meaning extended metaphorically to emotional warmth or concern. thus, to be 'non-chalant' literally meant 'not being heated up' or 'not being concerned', which evolved into the modern sense of displaying a cool, casual, and unconcerned demeanor.
Analysis
Structure: non (not) + chalant (concerned)
- non: from latin 'non', meaning 'not'. a prefix expressing negation.
- chalant: from french present participle 'chalant', meaning 'being concerned', from the verb 'chaloir', meaning 'to concern, to matter'.
Examples
she walked into the important meeting with a nonchalant air, as if it were a casual chat.
he gave a nonchalant shrug when asked about the missed deadline.
despite the chaos around her, she remained perfectly nonchalant.