jet-black /ˈd͡ʒɛtblæk/adjective 1noun 1forms 2 adjective1 •Pitch-black; of the blackest black.Year after year unto her feet, / She lying on her couch alone, / Across the purpled coverlet, / The maiden's jet-black hair has grown, […] — 1842 noun1 •Coal-black; the blackest black. formsmore jet-black · most jet-black
