Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun preemptor

2 senses of preemptor

Sense 1
preemptor, pre-emptor -- (someone who acquires land by preemption)
       => appropriator -- (someone who takes for his or her own use (especially without permission))

Sense 2
preemptor, pre-emptor -- (a bidder in bridge who makes a preemptive bid)
       => bidder -- (someone who makes a bid at cards)