Lint/lɪnt/ Definition 1 of 3Pro Tip 1/3Commonly Missed Lint is easy to overlook until it accumulates. After folding laundry, I always find missed lint on sweaters. Pro Tip 2/3Cleaning Reference Lint is often mentioned when talking about cleaning clothes or laundry. Remember to clean the lint trap after drying your clothes. Pro Tip 3/3Informal Speech 'Lint' is casual, used mostly in day-to-day conversation. Could you pass me the lint roller?