- A person killed or injured in a war or accident.
- A person or thing that is the victim of a particular situation or event.
Mid 17th century: from french casuel, from latin casualis (see casual).
- The number of casualties is not yet known.
- The accident resulted in several casualties.
- He was listed as a casualty of the war.
- The company's profits were the casualty of the economic downturn.
- The store was a casualty of the shopping center's redevelopment.