Meaning of the word unperturbed in English

What does unperturbed mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unperturbed

US /ˌʌn.pɚˈtɝːbd/
UK /ˌʌn.pəˈtɜːbd/

Adjective

not perturbed or concerned; calm

Example:
He remained completely unperturbed by the chaos around him.
Her calm demeanor left her unperturbed by the sudden news.