![](https://webarchive.library.unt.edu/eot2008/20090514051958im_/http://www.cancer.gov/images/spacer.gif) |
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(ob-SEH-siv kum-PUL-siv dis-OR-der)
![](https://webarchive.library.unt.edu/eot2008/20090514051958im_/http://www.cancer.gov/images/spacer.gif)
| An anxiety disorder in which a person has intrusive ideas, thoughts, or images that occur repeatedly, and in which he or she feels driven to perform certain behaviors over and over again. For example, a person may worry all the time about germs and so will wash his or her hands over and over again. Having an obsessive-compulsive disorder may cause a person to have trouble carrying out daily activities. |
Previous Definitions: | objective improvement, objective response, oblimersen, observation, observational study | Next Definitions: | obstruction, obtundation, occult primary tumor, occult stage non-small cell lung cancer, occupational therapist |
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