[oh-ver-presh-er] 
noun, verb, -sured, -sur⋅ing.| 1. | pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane. |
| 2. | to cause or expose to overpressure. |
| 3. | to make undue demands on by a regimen, work load, etc.: students overpressured with heavy academic schedules. |
| o·ver·pres·sure (ō'vər-prěsh'ər) n. A transient air pressure, such as the shock wave from an explosion, that is greater than the surrounding atmospheric pressure. tr.v. o·ver·pres·sured, o·ver·pres·sur·ing, o·ver·pres·sures To cause or subject to overpressure. o'ver·pres'sur·i·za'tion (-ĭ-zā'shən) n. |
vərˈprɛʃ