Meaning of impacted

im•pact•ed

Pronunciation: (im-pak'tid), [key]
— adj.
  1. tightly or immovably wedged in.
  2. noting a tooth so confined in its socket as to be incapable of normal eruption.
  3. driven together; tightly packed.
  4. densely populated or crowded; overcrowded: an impacted school district.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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