English edit

Etymology edit

From Latin annihilō (I reduce to nothing), from ad (to) + nihil (nothing).

Pronunciation edit

  • (UK) IPA(key): /əˈnaɪə.leɪt/
  • (file)

Verb edit

annihilate (third-person singular simple present annihilates, present participle annihilating, simple past and past participle annihilated)

  1. To reduce to nothing, to destroy, to eradicate.
    An atom bomb can annihilate a whole city.
    • 1834, L[etitia] E[lizabeth] L[andon], chapter XXII, in Francesca Carrara. [], volume II, London: Richard Bentley, [], (successor to Henry Colburn), →OCLC, page 237:
      But eagerness in this case, as in most others, annihilated its own delight; down came the tottering height, while the disappointed builder found relief for his sorrow in anger—sorrow's best remedy after all.
  2. (particle physics) To react with antimatter, producing gamma radiation and (for higher-mass reactants, especially composite particles such as protons) lighter particles (such as pions, muons, and neutrinos).
  3. (archaic) To treat as worthless, to vilify.
  4. (transitive) To render null and void; to abrogate.

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Latin edit

Verb edit

annihilāte

  1. second-person plural present active imperative of annihilō