The opposite of coops up is to free, release or let out. When someone coops up something, it means they keep it confined, enclosed or restricted. However, when they free or release something, it means to let loose, let go or liberate it from its enclosure. Some other antonyms of coops up include let out, unconfined, set free, release, open, discharge, and unshackle. These words are the opposite meaning of coops up and imply freedom, movement and liberation. Whenever people use these words, they usually mean to release or set something free from confinement or restriction.