Kevlar

American

[kev-lahr] / ˈkɛv lɑr /

Trademark.

a brand of aramid fiber.

Kevlar British

/ ˈkɛvˌlɑː /

noun

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.

Although best known for its use in military helmets and bulletproof vests as well as tires and other industrial equipment, Kevlar is also used to make many household goods.

From The Wall Street Journal • Apr. 9, 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

Her own home, a modern and neat single-storey house painted white, had temporary Kevlar covers on all the doors and windows.

From BBC • Oct. 10, 2024

The rat's barbs had ripped her Kevlar as if it were tissue paper.

From "City of the Plague God" by Sarwat Chadda

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023