pre-empt (v.)

also preempt, 1830, "secure (land, etc.) by pre-emption, occupy (public land) so as to establish a pre-emptive title to it," a back-formation from pre-emption or pre-emptive, originally American English. In the broadcasting sense of "set aside (a program) and replace it with another" it is attested from 1965, American English, a euphemism for "cancel." Related: pre-empted; preempted.

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Definitions of pre-empt from WordNet

pre-empt (n.)
a high bid that is intended to prevent the opposing players from bidding;
Synonyms: preemptive bid / preempt