English

Definition of pre-emptive adjective from the Oxford Advanced Learner's Dictionary

 

pre-emptive

 adjective
adjective
BrE BrE//priˈemptɪv//
 
; NAmE NAmE//priˈemptɪv//
 
[usually before noun]
 
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done to stop somebody taking action, especially action that will be harmful to yourself a pre-emptive attack/strike on the military base