Definition of "jet-black"
adjective
comparative more jet-black, superlative most jet-black
Pitch-black; of the blackest black.
Quotations
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, Alfred Tennyson, “The Day-Dream. The Sleeping Palace.”, in Poems. […], volume II, London: Edward Moxon, […], page 152