nightclub /ˈnʌɪtklʌb/noun 2verb 1forms 3 noun2 •A public or private establishment that is open late at night to provide entertainment, food, drink, music or dancing.They respond instantly to the faintest rustling in the covert of a sheaf of Ulysses S. Grants, or the homely, rustic tinkle of a wheelbarrow full of rubies being jounced along over a nightclub floor. — 1957 •(Philippines) A strip club. verb1 •(informal) To visit a nightclub (or nightclubs) for entertainment.Our first night in the big city we went out nightclubbing. The next morning we stayed in hung over. formsnightclubbed · nightclubbing · nightclubs