Meaning of the word "the third degree" in English

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

the third degree

US /ðə θɜrd dɪˈɡri/
UK /ðə θɜːd dɪˈɡriː/
"the third degree" picture

Idiom

intense questioning or interrogation, often in a harsh or prolonged manner

Example:
My parents gave me the third degree when I came home late.
The police gave the suspect the third degree for hours.