|part of speech:
||not showing excitement or anxiety; coolly confident, unflustered, or unworried;casually indifferent.
The first suspect was nervous and edgy, but the second was completely nonchalant.
- casual, confident, cool, imperturbable, unconcerned, unruffled
- similar words:
- blithe, breezy, careless, cavalier, devil-may-care, indifferent, insouciant, negligent, unflappable, unworried
||dispassionate, offhand, patient, perfunctory