—n. 1. the exertion of force upon a surface by an object, fluid, etc., in contact with it: the pressure of earth against a wall. 2. Physics.force per unit area. Symbol: P Cf. stress (def. 6).
3. Meteorol.See atmospheric pressure. 4. Elect.See electromotive force. 5. the state of being pressed or compressed.
6. harassment; oppression: the pressures of daily life. 7. a constraining or compelling force or influence: the social pressures of city life; financial pressure. 8. urgency, as of affairs or business: He works well under pressure. 9. Obs.that which is impressed.
—v.t. 1. to force (someone) toward a particular end; influence: They pressured him into accepting the contract. 2. pressurize.