With obsessive-compulsive disorder (OCD), you experience undesirable thoughts and feelings regularly (obsessions), which... moreWith obsessive-compulsive disorder (OCD), you experience undesirable thoughts and feelings regularly (obsessions), which push you to engage in repetitive actions (compulsions). For instance, it's customary to check the stove and the locks periodically. Additionally, "obsessing" and "obsessed" are frequently used in informal everyday talks. OCD, however, is more severe.