Definition of pre-emptive in English English dictionary
pre-emptive in AM, usually use preemptive A pre-emptive attack or strike is intended to weaken or damage an enemy or opponent, for example by destroying their weapons before they can do any harm. plans for a pre-emptive strike against countries that may have biological weapons. a pre-emptive action is done to prevent something from happening, especially something that will harm you pre-emptive strike/attack
{s} due to initial rights, due to preemptive privilege; concerning a right or claim of possession, of tenure; designed to make a first strike against someone who is planning to attack