Definitions

1. verb

to remove or get rid of a bomb or other explosive device, especially one that is ticking or set to go off

“The bomb squad had to defuse the device before it exploded.”

2. verb

to make something less intense or serious

“The comedian tried to defuse the tense atmosphere in the room with a joke.”

3. noun

the process of removing or getting rid of a bomb or other explosive device

“The defuse of the bomb was a delicate operation that required great skill.”