Meaning of the word "not put it past someone" in English

What does "not put it past someone" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

not put it past someone

US /nɑt pʊt ɪt pæst ˈsʌmˌwʌn/
UK /nɒt pʊt ɪt pɑːst ˈsʌmˌwʌn/
"not put it past someone" picture

Idiom

to believe that someone is capable of doing something bad or surprising, even if it is unexpected

Example:
I wouldn't put it past him to lie to get what he wants.
She's so competitive, I wouldn't put it past her to sabotage her opponent.