casualties

noun pl. casualties

1. an accident, esp. a fatal one
2. Mil.
   1. a member of the armed forces who is lost to active service through being killed, wounded, captured, interned, sick, or missing
   2. losses of personnel resulting from death, injury, etc.
3. anyone hurt or killed in an accident
4. anything lost, destroyed, or made useless by some unfortunate or unforeseen happening