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definitions

jet-black

[jet-blak]
adjective
  1. deep-black: jet-black hair.

Origin of jet-black

First recorded in 1475–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for jet black

jet black

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