tear gas

1 of 2

noun

: a solid, liquid, or gaseous substance that on dispersion in the atmosphere irritates mucous membranes resulting especially in blinding of the eyes with tears and that is used chiefly (as by the police and the military) to disperse large crowds of people

tear-gas

2 of 2

verb

variants or tear gas or less commonly teargas
tear-gassed or tear gassed also teargassed; tear-gassing or tear gassing also teargassing; tear-gases or tear gasses also teargasses

transitive verb

: to use tear gas on
The troops then tear-gassed the crowd of several hundred, mostly teenagers and young men, which scattered in great confusion, but re-formed later.Roger Daniels

Examples of tear gas in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
In central Valencia, protesters gathered at another location after initially being met with tear gas. Fox News, 9 Jan. 2025 As celebratory crowds swarmed Mr. Mondlane’s motorcade in Maputo on Thursday, witnesses say the police, with little provocation, responded with tear gas and bullets, leaving at least one man dead on the sidewalk with blood gushing from his head. Tavares Cebola, New York Times, 9 Jan. 2025
Verb
Security footage shows one officer pointing a grenade or tear-gas launcher at rioters’ heads as members of Congress rush down a nearby staircase, slipping on the fire extinguisher residue that coats the stairs. Sarah D. Wire, USA TODAY, 4 Jan. 2025 After remarks on stage — punctuated by boos and calls to resign — Wheeler ended up on the front lines of the protest and was among hundreds who were tear-gassed by federal agents. Kale Williams, Axios, 18 Dec. 2024 See all Example Sentences for tear gas 

Word History

First Known Use

Noun

1916, in the meaning defined above

Verb

1918, in the meaning defined above

Time Traveler
The first known use of tear gas was in 1916

Dictionary Entries Near tear gas

Cite this Entry

“Tear gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tear%20gas. Accessed 17 Jan. 2025.

Kids Definition

teargas

1 of 2 verb
tear·​gas ˈti(ə)r-ˌgas How to pronounce teargas (audio)
: to use tear gas on

tear gas

2 of 2 noun
: any of various substances that cause eye irritation and blind the eyes with tears when released into the air and that are used mostly to scatter mobs

Medical Definition

tear gas

noun
: a solid, liquid, or gaseous substance that on dispersion in the atmosphere irritates mucous membranes resulting especially in blinding of the eyes with tears

More from Merriam-Webster on tear gas

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