from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. designed or having the power to deter or prevent an anticipated situation or occurrence
preempt + -ive. (Wiktionary)