annihilate

play
verb an·ni·hi·late \ə-ˈnī-ə-ˌlāt\

Definition of annihilate

annihilated

annihilating

  1. transitive verb
  2. 1 a :  to cause to be of no effect :  nullify b :  to destroy the substance or force of

  3. 2 :  to regard as of no consequence

  4. 3 :  to cause to cease to exist; especially :  kill

  5. 4 a :  to destroy a considerable part of <bombs annihilated the city> b :  to vanquish completely :  rout <annihilated the visitors 56–0>

  6. 5 :  to cause (a particle and its antiparticle) to vanish by annihilating

  7. intransitive verb
  8. of a particle and its antiparticle :  to vanish or cease to exist by coming together and changing into other forms of energy (as photons)

annihilation

play \-ˌnī-ə-ˈlā-shən\ noun

annihilator

play \-ˌlā-tər\ noun

annihilatory

play \-ˈnī-ə-lə-ˌtȯr-ē\ adjective

Examples of annihilate in a sentence

  1. The enemy troops were annihilated.

  2. He annihilated his opponent in the last election.

Origin and Etymology of annihilate

Late Latin annihilatus, past participle of annihilare to reduce to nothing, from Latin ad- + nihil nothing — more at nil


First Known Use: 1525


ANNIHILATE Defined for English Language Learners

annihilate

play
verb an·ni·hi·late \ə-ˈnī-ə-ˌlāt\

Definition of annihilate for English Language Learners

  • : to destroy (something or someone) completely

  • : to defeat (someone) completely


ANNIHILATE Defined for Kids

annihilate

play
verb an·ni·hi·late \ə-ˈnī-ə-ˌlāt\

Definition of annihilate for Students

annihilated

annihilating

  1. :  to destroy completely

annihilation

\-ˌnī-ə-ˈlā-shən\ noun


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