intransitive verb
Definition: To become covered with mist or vapor, making it difficult to see clearly.
Example: The windows fog when the temperature changes suddenly.
noun
Definition: A thick cloud of tiny water droplets suspended in the air, which reduces visibility and can make it hard to see far ahead.
Example: The fog was so thick that I could barely see the road in front of me.
transitive verb
Definition: To make something unclear or difficult to see, often by covering it with a mist or haze.
Example: The photographer fogged the lens to create a dreamy effect in the picture.