: an extremely toxic chemical weapon C11H26NO2PS similar to sarin and tabun in action

Examples of VX in a Sentence

Recent Examples on the Web The mustard agent was eliminated in 2021 and the final rocket containing VX agent was neutralized at the plant in April 2022. Dylan Lovan, The Courier-Journal, 8 June 2023

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

Word History

Etymology

American or British government code designation for the gas

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of VX was in 1965

Dictionary Entries Near VX

Cite this Entry

“VX.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/VX. Accessed 26 Apr. 2024.

Medical Definition

VX

noun
: an extremely toxic persistent chemical warfare agent C11H26NO2PS that is used especially as a nerve gas and that in large doses typically causes convulsions, loss of consciousness, paralysis, and failure of the respiratory system leading to death

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