verb (used with object), o·ver·pres·sured, o·ver·pres·sur·ing.
  1. to cause or expose to overpressure.
  2. to make undue demands on by a regimen, work load, etc.: students overpressured with heavy academic schedules.

Origin of overpressure

First recorded in 1635–45; over- + pressure
Related formso·ver·pres·sur·i·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for overpressurization


  1. the blast effect of a nuclear weapon expressed as an amount of pressure greater than normal barometric pressure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012