Pronunciation: (prē-empt'), [key]
1. to occupy (land) in order to establish a prior right to buy.
2. to acquire or appropriate before someone else; take for oneself; arrogate: a political issue preempted by the opposition party.
3. to take the place of because of priorities, reconsideration, rescheduling, etc.; supplant: The special newscast preempted the usual television program.
1. Bridge.to make a preemptive bid.
2. to forestall or prevent (something anticipated) by acting first; preclude; head off: an effort to preempt inflation.
Bridge.a preemptive bid. Also,pre-empt'.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.