1. Increase the pressure on a gas or liquid
   "They pressurised the engine to improve performance";
   - supercharge, pressurize
    
2. Maintain a certain pressure
   "the aeroplane cabin is pressurised"; "pressurise a space suit";
   - pressurize
    
3. Increase the pressure in or of
   "The captain will pressurise the cabin for the passengers' comfort";
   - pressurize
    
4. Put pressure on someone (to do something)
   "His parents pressurised him to choose a more lucrative career";
   - pressurize, bounce [Brit, informal], lean on [informal]

Derived forms: pressurised, pressurising, pressurises

Type of: adjust, alter, change, correct, hold, keep, maintain, modify, set

Antonym: decompress