This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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

adj. Having or granted by the right of preemption.

adj. 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.

adj. 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.

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

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

adj. Of or relating to preemption.

adj. Made so as to deter an anticipated unpleasant situation.

adj. Intended to interfere with an opponent's bidding.

adj. designed or having the power to deter or prevent an anticipated situation or occurrence

"The term preemptive gets bantered around a lot on thie subject of this war but preventive is more accurate, although its sounds a lot less P(ublic)R(elations)-correct."

preventative    preventive   

preemptively   

redemptive   

eleventh-hour    retaliatory    unprovoked    jumja    #bigcitylib    pre-emptive    precautionary    last-ditch    diversionary    frog-marched