VX

noun

ˈvē-ˈeks 

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

Examples of VX in a Sentence

Recent Examples on the Web

That list includes several top-20 players and notables playing the brand’s popular iron shafts, such as Lydia Ko (KBS VX Lite 90) and Hye-Jin Choi (PGI 90). — Scott Kramer, Forbes.com, 18 Jan. 2026

Best overall The Celestron Advanced VX 8-inch EdgeHD is a powerhouse for astrophotography, blending advanced optics with a sturdy computerized mount. — Damian Peach, Space.com, 17 July 2025

Before 2013, Western intelligence services estimated that Syria had one of the largest chemical arsenals in the world, including sulfur mustard, VX, and sarin. — Gregory D. Koblentz, Foreign Affairs, 19 Dec. 2024

North Korean dictator Kim Jong Un is thought to have assassinated his half brother with VX nerve agent in 2017. — IEEE Spectrum, 24 May 2021

Word History

Etymology

American or British government code designation for the gas

First Known Use

1965, in the meaning defined above

Medical Definition

VX

noun

ˈvē-ˈeks 

: 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