definition of
[decompress]

[1] #1 decompress v. [uncompress] restore to its uncompressed form; "decompress data". wn

[2] #2 decompress v. [depressurize, depressurise] decrease the pressure of; "depressurize the cabin in the air plane". wn

[3] #3 decompress v. [relax, loosen up, unbend, unwind, slow down] become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work". wn