To compress (data) according to a particular algorithm.
To let down or disappoint.
To belch or flatulate
To reduce the amount of available currency or credit and thus lower prices.
To become deflated.
To cause an object to decrease or become smaller in some parameter, e.g. to shrink
To remove air or some other gas from within an elastic container, e.g. a balloon or tyre
To expand from a compacted state; to uncompress computer data etc.
Not compact; incompact.