1 annihilate | Definition of annihilate

annihilate

verb
an·​ni·​hi·​late | \ ə-ˈnī-ə-ˌlāt How to pronounce annihilate (audio) \
annihilated; annihilating

Definition of annihilate

transitive verb

1a : to cause to cease to exist : to do away with entirely so that nothing remains
b : 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
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.
3 : to regard as of no consequence
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

intransitive verb

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)

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Other Words from annihilate

annihilatory \ -​ˈnī-​ə-​lə-​ˌtȯr-​ē How to pronounce annihilatory (audio) \ adjective

Examples of annihilate in a Sentence

The enemy troops were annihilated. He annihilated his opponent in the last election.

Recent Examples on the Web

In the opening episode, the protagonist, an indecisive electronics salesman named Hughie Campbell (Jack Quaid), sees his girlfriend accidentally annihilated by A-Train, a hyper-speedy member of an elite superhero team known as The Seven. M.s., The Economist, "“The Boys” is a superhero series for the Trump era," 27 Aug. 2019 Normally, these opposites instantly annihilate, returning energy borrowed fleetingly from the universe’s budget. Wired, "A ‘Sonic Black Hole' Could Help Solve a Cosmic Paradox," 30 June 2019 The Mariners massacred a mishmash of middle relievers, scoring 12 times in their final three innings to annihilate the Astros 14-1 at T-Mobile Park. Chandler Rome, Houston Chronicle, "Astros suffer embarrassing blowout loss to Mariners," 6 June 2019 No one denies the Hutu extremists’ brutal attempt to annihilate the Tutsi minority in 1994. Maggie Calt, Harper's magazine, "Brutal from the Beginning," 22 July 2019 That could happen through a force beyond our control, like the asteroid that seems to have annihilated the dinosaurs, or by our own folly, through nuclear war or drastic derangement of our climate. National Geographic, "Countdown to a new era inSpace," 17 June 2019 Arneson, 29, spent Thursday annihilating the speed record for the 12-peaks Challenge, a pursuit that includes summiting the dozen peaks higher than 5,000 feet in the front range of the Chugach Mountains. Beth Bragg, Anchorage Daily News, "Lars Arneson slashes three hours from 12-peak Challenge speed record," 21 July 2019 Jon Jones looks to continue his brilliance by annihilating Thiago Santos, and Amanda Nunes can add to her reputation as the best fighter in the world with a win over Holly Holm. Justin Barrasso, SI.com, "UFC 239 Live Blog: Defending Champions Jon Jones, Amanda Nunes Headline Main Card," 6 July 2019 The bot can distinguish between a baby weed and a baby crop, and can annihilate that weed with incredible precision, radically reducing the use of herbicides on fields. Sean Illing, Vox, "The climate crisis and the end of the golden era of food choice," 24 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'annihilate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of annihilate

1525, in the meaning defined at transitive sense 2a

History and Etymology for annihilate

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

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More Definitions for annihilate

annihilate

verb

English Language Learners Definition of annihilate

: to destroy (something or someone) completely
: to defeat (someone) completely

annihilate

verb
an·​ni·​hi·​late | \ ə-ˈnī-ə-ˌlāt How to pronounce annihilate (audio) \
annihilated; annihilating

Kids Definition of annihilate

: to destroy completely

Other Words from annihilate

annihilation \ -​ˌnī-​ə-​ˈlā-​shən \ noun

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