The thief broke in by _________ the window, but was

Solution

The word ‘prising’ means ‘to use force to lift something off something else, for example by pressing a tool against a fixed point or to separate things using force.’ It is correct here. Allay- If you allay a strong emotion felt by someone, such as fear or worry, you cause them to feel it less or to feel calm again. Debutant- a man making his first public appearance, especially in sport. Delirious- Excited. The thief broke in by prising the window, but was caught because of the sound.