An example of to preempt is for a local government to take over a piece of land in order to widen a public road.
An example of to preempt is news coverage of a world catastrophe being shown instead of your favorite tv show.
Discussion of the water shortage will preempt the other topics on this week's agenda.
Origin of preempt
- Back-formation from preemption
From American Heritage Dictionary of the English Language, 5th Edition
- Back-formation from preemption.