Meaning of the word misspent in English

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

misspent

US /mɪsˈspɛnt/
UK /mɪsˈspɛnt/

Adjective

spent or used unwisely or for an unsuitable purpose

Example:
He regretted his misspent youth.
It was a misspent effort to try and convince him.