jet-black

American

[jet-blak] / ˈdʒɛtˈblæk /

adjective

deep-black.

jet-black hair.

jet black British

noun

1. a deep black colour
2. ( as adjective )
  
  jet-black hair

"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

Etymology

Origin of jet-black

First recorded in 1475–85

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.

At Exigo Recycling's sprawling plant in Haryana state, a machine churns the batteries from e-scooters into a jet-black powder.

From Barron's • Feb. 18, 2026

Kent’s jet-black sea is indistinguishable from the cosmos, and his white whale glows like some luminary body within it.

From The Wall Street Journal • Jan. 2, 2026

She'd wear outrageous costumes or jet-black sunglasses, deliberately putting a barrier between her and the journalist.

From BBC • Mar. 6, 2025

The neighbor was a man in his early 40s, slim with jet-black hair, narrow eyes, and ruddy skin.

From Slate • Feb. 10, 2025

His jet-black hair, however, was just as it always had been — stubbornly untidy, whatever he did to it.

From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling

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