annihilate

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

Definition of annihilate

annihilated

;

annihilating

  1. transitive verb
  2. 1a :  to cause to cease to exist :  to do away with entirely so that nothing remainsb :  to destroy a considerable part of <Bombs annihilated the city.> <The enemy troops were annihilated.>c :  to defeat overwhelmingly :  rout <annihilated the visitors 56–0>

  3. 2a :  to cause to be of no effect :  nullify <a right to freedom that cannot be annihilated>b :  to destroy the substance or force of <Fear can annihilate one's confidence.>

  4. 3 :  to regard as of no consequence

  5. 4 :  to cause (something, such as a particle and its antiparticle) to vanish or cease to exist by coming together and changing into other forms of energy (such as photons) <matter and antimatter annihilate each other>

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

annihilation

play \-ˌnī-ə-ˈlā-shən\ noun

annihilator

play \-ˌlā-tər\ noun

annihilatory

play \-ˈnī-ə-lə-ˌtȯr-ē\ adjective

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 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


Seen and Heard

What made you want to look up annihilate? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

praise given for achievement

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • snowflake-closeup
  • Which is a synonym of imprecate?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ