1.
Third-degree burns are very severe, destroying tissue under the skin.
He suffered third-degree burns over 98 per cent of his body.
ADJ : ADJ n
2.
If you say that someone has been given the third degree , you mean that they have been questioned or criticized extremely severely, sometimes with physical violence. ( INFORMAL )
The next thing you know, she’s phoned to complain and you’re suddenly being given the third degree.
N-SING : usu the N