Insouciant – Having a lack of concern, calm and unworried
(Pronounced in-soo-see-unt)
To remember the definition of the word insouciant, use the following mnemonic:
He is in the soup and he isn't (insouciant) concerned – he just remains calm and unworried.
Examples of insouciant in a sentence
Because Bill is insouciant and not concerned about his retirement he does not worry about saving money.
The insouciant waitress did not seem to care that Matt had to wait over an hour for his food.
While I can be insouciant about remembering my friends’ birthdays, I never forget the birth dates of my family members.