preempt

[pree-empt]
verb (used with object)
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.
verb (used without object)
4.
Bridge. to make a preemptive bid.
5.
to forestall or prevent (something anticipated) by acting first; preclude; head off: an effort to preempt inflation.
noun
6.
Bridge. a preemptive bid.
Also, pre-empt.


Origin:
1840–50, Americanism; back formation from preemption

preemptible, adjective
preemptor [pree-emp-tawr, -ter] , noun
preemptory [pree-emp-tuh-ree] , adjective
unpreempted, adjective


1. claim, appropriate, usurp.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
preempt

noun
1. a high bid that is intended to prevent the opposing players from bidding [syn: preemptive bid

verb
1. acquire for oneself before others can do so 
2. take the place of or have precedence over; "live broadcast of the presidential debate preempts the regular news hour"; "discussion of the emergency situation will preempt the lecture by the professor" 
3. gain possession of by prior right or opportunity, especially so as to obtain the right to buy (land) 
4. make a preemptive bid in the game of bridge 
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source
Example sentences for preempts
A treatment used for responding to preempts, usually weak two bids.
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