Meaning of “pre-empt” - Learner’s Dictionary

pre-empt

verb [ T ] uk us /ˌpriːˈempt/

to do something before something else happens in order to prevent it or reduce its effect

pre-emptive adjective

preventing something else from happening:

to take pre-emptive action

(Definition of “pre-empt” from the Cambridge Learner’s Dictionary © Cambridge University Press)