ground zero

noun

1
: the point directly above, below, or at which a nuclear explosion occurs
2
: the center or origin of rapid, intense, or violent activity or change
broadly : center sense 2a
the party town that served as ground zero for those corporate … bashes Rich Eisen
3
: the very beginning : square one

Examples of ground zero in a Sentence

ground zero in the battle over immigration laws a city that was once ground zero for the insurance industry
Recent Examples on the Web A day after firing up a boisterous crowd at a Detroit Metro Airport hangar, Harris and Walz rallied UAW members at a Michigan union hall described as ground zero for last year’s auto strike against the Detroit Three and the subsequent contract ratification. The Arizona Republic, 9 Aug. 2024 Minnesota was ground zero for the George Floyd riots that rocked the country in 2020. Jeremy Lott, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 9 Aug. 2024 More often associated with adults in Chewbacca costumes or sci-fi-movie actors showing up to sign autographs, the event this year was ground zero for the San Diego Human Trafficking Task Force. Susanne Rust, Los Angeles Times, 1 Aug. 2024 The bill has established Sacramento as ground zero for the battle over government regulation of AI. Nitasha Tiku, Washington Post, 19 July 2024 See all Example Sentences for ground zero 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ground zero.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1946, in the meaning defined at sense 1

Time Traveler
The first known use of ground zero was in 1946

Dictionary Entries Near ground zero

Cite this Entry

“Ground zero.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ground%20zero. Accessed 19 Aug. 2024.

Kids Definition

ground zero

noun
1
: the site of a nuclear explosion
2
: the center of rapid, intense, or violent activity or change
3
: the very beginning : square one

More from Merriam-Webster on ground zero

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