black 1 antonyms and opposites of black. Adj — Having the darkest possible color; reflecting no light. Synonyms for black atramental atramentous black as a dog's guts black as coal black as Newgate's knocker black as night black as the ace of spades black as thunder coal black ebon inky jetty negro nigrous obsidian pitch-dark pitch-black pitchy raven sable sabled Antonyms for black white ← Back to the full definition of black