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Definition of "annihilate" []

  • To destroy completely: The naval force was annihilated during the attack. (verb-transitive)
  • To reduce to nonexistence. (verb-transitive)
  • To defeat decisively; vanquish. (verb-transitive)
  • To nullify or render void; abolish. (verb-transitive)
  • Physics To participate in annihilation, as an electron and a positron do. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "annihilate" in a sentence
  • "I remember a “leader” many years ago wanted to annihilate from the world the feeble minded and the infirm along with the other undesirables."
  • "The word annihilate seems to me to hold a destructive sense to it too so I was beginning to think that Cory had given me a word that I didn't like very much."
  • "Hear God speak and may his word annihilate every thought to the contrary: "The Lord thy"