1produce or maintain raised pressure artificially in (a gas or its container):the mixture was pressurized to 1,900 atmospheres (as adjective pressurized)a pressurized can
maintain a tolerable atmospheric pressure in (an aircraft cabin) at a high altitude: (as adjective pressurized)a pressurized cabin
2 [with object] attempt to persuade or coerce (someone) into doing something:don’t let anyone pressurize you into snap decisions [with object and infinitive]:people had been pressurized to vote