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(in-TROO-siv thawt)
![](https://webarchive.library.unt.edu/eot2008/20090514025457im_/http://www.cancer.gov/images/spacer.gif)
| An unpleasant memory or idea that occurs often in a person’s everyday thoughts and keeps him or her from thinking about other things. Interfering thoughts can make sleep difficult and make a person unable to carry out daily activities. Also called interfering thought. |
Previous Definitions: | intravenous injection, intravenous pyelogram, intravenous pyelography, intraventricular infusion, intravesical | Next Definitions: | invasive breast cancer, invasive cancer, invasive cervical cancer, invasive hydatidiform mole, invasive procedure |
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