Definitions

1. verb

to release air or gas from something, especially a balloon or tire

“The partygoers watched in dismay as the deflated balloon floated away.”

2. verb

to reduce the size or amount of something

“The company’s profits began to deflate after the economic downturn.”

3. noun

the act of releasing air or gas from something

“The deflate was caused by a puncture in the tire.”