| 1. | of or pertaining to preemption. |
| 2. | taken as a measure against something possible, anticipated, or feared; preventive; deterrent: a preemptive tactic against a ruthless business rival. |
| 3. | preempting or possessing the power to preempt; appropriative; privileged: a commander's preemptive authority. |
| 4. | Bridge. pertaining to, involving, or noting an opening bid or an overcall in a suit that is at an unnecessarily high level and that is essentially a defensive maneuver designed to make communication between one's opponents more difficult: a preemptive bid; to give a preemptive response. |