noun
- Severe illness requiring prolonged hospitalization or recovery; usually involves high costs for hospitals and doctors and medicines. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). catastrophic illness. Retrieved September 21, 2026, from http://smartdefine.org/catastrophic_illness/definitions/1245318 |
| Chicago | WordNet. 2010. "catastrophic illness" http://smartdefine.org/catastrophic_illness/definitions/1245318 (accessed September 21, 2026). |
| Harvard | WordNet 2010, catastrophic illness, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/catastrophic_illness/definitions/1245318>. |
| MLA | WordNet. "catastrophic illness" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/catastrophic_illness/definitions/1245318> |