black (color) / a black (person) / Ellipsis of ブラックコーヒー (burakku kōhī, “black coffee”). / Ellipsis of ブラック企業 (burakku kigyō, literally “black company”).

brutal, in the style of a ブラック企業 (burakku kigyō, literally “black company”)

classical (of a traditional style)

a classic (a work valued over generations) / a classic (a work from ancient Greece or Rome)

strong; powerful

diesel powered train

A transliteration of the English male given name Eric

intelligent / intellectual, mental

rapid

paperclip