Dictionary
pre•empt
Pronunciation: (prē-empt'), [key]—
v.t.
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.
—
v.i.
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.
—
n.
Bridge.a preemptive bid.
Also,pre-empt'.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.