¹ black adjective

• having the very dark color of coal or the night sky
• very dark because there is no light
• of or relating to a race of people who have dark skin and who come originally from Africa

² black noun

• the dark color of coal or the night sky
• black clothing
• a person belonging to a race of people who have dark skin : a black person

³ black verb

• to make (something) black
• to refuse to work for or with (a business, employer, etc.) or to buy (goods, services, etc.)