1. an aggregation in the atmosphere of very fine, widely dispersed, solid or liquid particles, or both, giving the air an opalescent appearance that subdues colours.
2. vagueness or obscurity, as of the mind or perception; confused or vague thoughts, feelings, etc.
3. to make or become hazy; obscured; misty.
4. to subject (freshmen, newcomers, etc.) to abusive or humiliating tricks and ridicule.
5. Chiefly Nautical: to harass with unnecessary or disagreeable tasks.