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Kevlar

American  
[kev-lahr] / ˈkɛv lɑr /
Trademark.
  1. a brand of aramid fiber.


Kevlar British  
/ ˈkɛvˌlɑː /

noun

  1. a synthetic fibre, consisting of long-chain polyamides, having high tensile strength and temperate resistance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The material was later named Kevlar, and was patented in 1965.

From The Wall Street Journal • Apr. 9, 2026

Both Héctor and Julio were wearing body armour, 14kg of Kevlar and armour plate.

From BBC • Feb. 25, 2026

Pound for pound, it is stronger than steel and tougher than Kevlar -- the material used to fabricate bullet-proof vests.

From Science Daily • Feb. 6, 2026

Through their windows, I can see silhouettes of men with heavy Kevlar high on the neck, faces covered, sunglasses.

From Slate • Jan. 16, 2026

Maybe it was enough to have learned that love was the unexpected weapon, that it was the knife I’d needed to cut through the Kevlar I wore every day.

From "A Very Large Expanse of Sea" by Tahereh Mafi

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