in the black

: of the color black (see ²black 2)

: very dark in color

: having a very deep or low register (see ¹register 4b)

: a pigment or dye of the color black : a black pigment or dye

: the achromatic (see achromatic 3) color of least lightness characteristically perceived to belong to objects that neither reflect nor transmit light

: something that is black: such as

: to become black (see ¹black)

: to make black

: to declare (something, such as a business or industry) subject to boycott by trade-union members