Simple Definition of preemptive
: done to stop an unwanted act by another group, country, etc., from happening
Full Definition of preemptive
2 of a bid in bridge : higher than necessary and intended to shut out bids by the opponents
3 : giving a stockholder first option to purchase new stock in an amount proportionate to his existing holdings
4 : marked by the seizing of the initiative : initiated by oneself <a preemptive attack>
Examples of preemptive
The country took preemptive action against the perceived enemy.
a preemptive attack by the army
First Known Use of preemptive
Seen and Heard
What made you want to look up preemptive? Please tell us where you read or heard it (including the quote, if possible).