deflate

verb7

1. •
   To remove air or some other gas from within an elastic container, e.g. a balloon or tyre.
2. •
   To become deflated.
3. •
   To let (someone) down, disappoint them, or put them in their place.
4. •
   To reduce the amount of available currency or credit and thus lower prices.
5. •
   To cause an object to decrease or become smaller in some parameter, e.g. to shrink
6. •
   To compress (data) according to a particular algorithm.

   • Never had a problem, guess I've never had to deflate multiple files! — 2003
7. •
   (slang) To belch or flatulate