1. to reduce the pressure of compressed gas or air
Usage: technical
2. to expand compressed computer data back to its original form
Usage: computing
3. to relax and release tension after stress or pressure
Usage: informal

Examples

• The diver must decompress slowly to avoid getting the bends.
• You need to decompress the file before you can open it.
• The software will automatically decompress the archived data.
• After the busy week, I need to decompress at home.
• She likes to decompress by reading a book.
• The cabin pressure will decompress if there’s a breach.
• It takes time to decompress the large video files.