obsessive(thoughts) compulsive(behavior) the person knows them to be irrational, the anxiety-fueled obsessive thoughts become so haunting, the compulsive rituals so senselessly time-consuming, that effective functioning becomes impossible. ex: washing so often that your skin becomes raw, checking to see you locked the door 10 times unwanted repetitive thoughts (obsessions) and/or actions (compulsions)
related to anxiety disorders but isn't classified as one anymore