Casually or smugly indifferent; nonchalant.
Marked by blithe unconcern; nonchalant.
The definition of insouciant is a person who is calm, without cares or concerns.
An example of an insouciant person is someone sitting by the pool and sipping a cocktail while on vacation.
Origin of insouciant
From American Heritage Dictionary of the English Language, 5th Edition
- From French insouciant from in- (“not”) + souciant (“worrying”)