Meaning of the word clueless in English

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

clueless

US /ˈkluː.ləs/
UK /ˈkluː.ləs/
"clueless" picture

Adjective

having no knowledge, understanding, or ability

Example:
He's completely clueless about how to fix a car.
The new manager seems clueless about the company's history.