Definitions

1. noun

A person who is not a member of the armed forces or the police

“The city’s civilian population was affected by the natural disaster.”

2. noun

A person who is not a member of a particular profession or organization

“The doctor was a civilian in the medical field, not a member of any particular hospital.”

3. noun

A person who is not a member of the military in a country at war

“As a civilian, she did not have to register for the draft.”

4. adjective

Relating to or affecting ordinary people rather than the military or police

“The civilian casualties were a major concern in the conflict.”