preemptive

pre·emp·tive or pre-emp·tive  (pr-mptv)

adj.

1. Of, relating to, or characteristic of preemption.

2. Having or granted by the right of preemption.

3.

a. Relating to or constituting a military strike made so as to gain the advantage when an enemy strike is believed to be imminent: a preemptive nuclear attack.

b. Undertaken or initiated to deter or prevent an anticipated, usually unpleasant situation or occurrence: The two companies organized a preemptive alliance against a possible takeover by another firm.

4. Having or marked by the power to preempt or take precedence: a preemptive business offer; preemptive authority.

5. Games Relating to or being a bid in bridge at a high level that is intended to interfere with the opponents' bidding.

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pre·emptive·ly adv.

Thesaurus

Adj.

1.

preemptive - designed or having the power to deter or prevent an anticipated situation or occurrence; "a preemptive business offer" pre-emptive preventative, preventive - tending to prevent or hinder