WordRel.com

• a high bid that is intended to prevent the opposing players from bidding

  synonym	pre-emptpreemptive bid
  hypernym	bidbidding

• acquire for oneself before others can do so

  derivation	pre-emptivepreemptionpreemptionpreemptivepreemptor
  other	preemptionpreemptionpreemptor
  hypernym	acquireget

• make a preemptive bid in the game of bridge

  derivation	pre-emptivepreemptivepreemptor
  other	preemptor
  domain topic	bridge
  hypernym	bidcall

• gain possession of by prior right or opportunity, especially so as to obtain the right to buy (land)

  hypernym

  acquireget

• take the place of or have precedence over

  synonym	displace
  hypernym	replacesupersedesupervene uponsupplant