Clutter: A confusing or disorderly state or collection. Excessive, unnecessary or uncontrolled clutter can be a symptom of compulsive hoarding. A type of light pollution. Clutter (marketing): The extreme amount of advertisements or products the average consumer comes into contact with. In TV and radio, commercials, upcoming show announcements and promotions, and any other broadcast material which does not belong to the actual program currently on. Clutterers Anonymous, a twelve-step program for people who share a common problem with accumulation of clutter. Cluttering, Cluttered speech, when speech becomes broken or sounds nervous.
