Meaning of the word "be guilty of" in English

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

be guilty of

US /bi ˈɡɪl.ti ʌv/
UK /bi ˈɡɪl.ti ɒv/

Idiom

to be responsible for doing something bad or wrong

Example:
He was found to be guilty of fraud.
Are you suggesting I am guilty of lying?