Pre-emption

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of preemption. alt-of, alternative, countable, uncountable
  2. 2
    a prior appropriation of something wordnet
  3. 3
    the right to purchase something in advance of others wordnet
  4. 4
    the right of a government to seize or appropriate something (as property) wordnet
  5. 5
    the judicial principle asserting the supremacy of federal over state legislation on the same subject wordnet

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.