›something or someone that suffers or fails because of an event: a casualty of sthNonprofit groups may find funding for their projects among the first casualties of the budget problem.Relationships can become a casualty of workplace stress.the first/latest/major casualtySmith is the latest casualty in a series of sackings at the organization.
›LAWa person who is killed or injured in an accident, attack, etc.: cause/inflict casualtiesFood products have been contaminated, causing human casualties and considerable economic loss.reduce/minimize/prevent casualtiessustain/suffer casualties
›INSURANCEproperty that is damaged or destroyed in an accident, or the accident that causes this: The hirer was liable for the collision, unless the casualty was proved to have been caused by the failure of the boat's owners to make it seaworthy.