← BackshareGuessmuggy/ˈmʌɡi/adjective(of weather, air, or a room) uncomfortably warm and humid; close and sticky.The basement felt muggy and smelled of mildew.I hate muggy summer days when you can't get dry.The air was so muggy that my shirt stuck to my skin.SynonymsclosehumidstickyAntonymsdrycool