MIST

[verb]If something that you can see through mists up or mists over, it becomes covered with a thin layer of liquid so that it is more difficult to see through it.(UK) Open the bathroom window when you have a shower to stop the mirror misting (US fogging, [US and ANZ] steaming) over. [I]His eyes misted over as he thought back to his wedding day. [I](UK) Turning on the heater should stop the windscreen misting (US and ANZ usually fogging) up. [I](UK) The steam from the kettle misted (US fogged, [US and ANZ] steamed) up her glasses. [T]"Why did they have to kill him?" she said, her eyes misting with tears. [I]