pressurepressurepressurespressuredpressuringnoun1the force that presses on something: The pressure of the water caused the dam to crack.2the force that a gas or liquid has when it is contained inside something: He has high blood pressure (= the force with which blood travels round your body). You should check the tyre pressures (= the amount of air in the car tyres) regularly.3a feeling of worry because of the things you have to do: She's under a lot of pressure at work.financial pressures