[{"Bold_text": "noun", "List Items": ["a cooperative store, dwelling, program, etc."]}, {"Bold_text": "verb (used with object)", "List Items": ["to place in a cooperative arrangement, especially to convert (an apartment or building) to a cooperative."]}, {"Bold_text": "adjective", "List Items": ["(of a game, especially a video game) cooperative, requiring players to work together to achieve a common objective: co-op multiplayer games.co-op play modes;co-op multiplayer games."]}]