From Longman Dictionary of Contemporary Englishpitch-blackˌpitch-ˈblack adjective DARKcompletely black or dark The lights were off and it was pitch-black. —pitch-black noun [uncountable]
Examples from the Corpus
pitch-black• It was pitch-black and still oppressively hot.• At first she found the pitch-black darkness of the Motabeng night terrifying.• He drove over, parked the car on a pitch-black Kelly Street.• Lucky had run away from them on a pitch-black night in August.• It was pitch-black outside.• In October, put the plant in a pitch-black room for 14 hours a day.• When we draw up in a pitch-black stonewalled alley I wonder about his reaction.• Normally the snow looks light against the pitch-black trees, but today even the snow was almost black.• The curious little craft, with its extraordinary crew, slowly edged its way across the pitch-black waters. 