'Preempt' definitions:

Definition of 'preempt'

(from WordNet)
noun
A high bid that is intended to prevent the opposing players from bidding [syn: preemptive bid, pre-empt, preempt]
verb
Acquire for oneself before others can do so
verb
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" [syn: preempt, displace]
verb
Gain possession of by prior right or opportunity, especially so as to obtain the right to buy (land)
verb
Make a preemptive bid in the game of bridge

Definition of 'Preempt'

From: GCIDE
  • Preempt \Pre*["e]mpt"\ (?; 215), v. t. & i. [imp. & p. p. {Pre["e]mpted}; p. pr. & vb. n. {Pre["e]mpting}.] [See {Pre["e]mption}.] To settle upon (public land) with a right of preemption, as under the laws of the United States; to take by pre["e]mption. [Also spelled pre-empt.] [1913 Webster + WordNet 1.5]

Synonyms of 'preempt'

From: Moby Thesaurus

Words containing 'Preempt'