- pressure in excess of normal atmospheric pressure, as that caused by an explosion’s shock wave or created in an accelerating airplane.
verb (used with object), o·ver·pres·sured, o·ver·pres·sur·ing.
- to cause or expose to overpressure.
- to make undue demands on by a regimen, work load, etc.: students overpressured with heavy academic schedules.
- the blast effect of a nuclear weapon expressed as an amount of pressure greater than normal barometric pressure