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1. A location where a natural disaster, such as an earthquake, flood, or storm, occurred. An area designated as such is often the recipient of government aid. In the aftermath of Hurricane Katrina, the president declared New Orleans a disaster area and allotted federal funding for the rescue and cleanup efforts.
2. A messy or unclean space. After only a few weeks of living on his own, Adam's apartment looked like a disaster area because he never bothered to clean up after himself.
3. A situation, idea, or plan that is poorly planned or organized. The new economic plan that the senator proposed sounded like a complete disaster area.