Meaning : Marked by blithe unconcern.
Example :
An ability to interest casual students.
Showed a casual disregard for cold weather.
An utterly insouciant financial policy.
An elegantly insouciant manner.
Drove his car with nonchalant abandon.
Was polite in a teasing nonchalant manner.
Synonyms : casual, nonchalant
Insouciant meaning in Bengali (Bangla).