English Reference
noun · adjective

civilian

n. · adj.
US /səˈvɪɫjən/ UK /sɪvˈɪliən/ civil·ian UK spelling civilian's, civilian's

  1. 01 B2 Upper Intermediate

    n.someone who is not a member of the armed forces or the police.

    n.a person who is not an active member of the military, police, or a fire department.

    Simple

    The treaty was designed to protect civilians during the conflict.

    In context

    International law mandates that all parties in a conflict must distinguish between combatants and civilians to prevent unnecessary loss of life.

    Usage

    Often used in the plural to refer to the general population during a war.

    non combatantprivate citizen
  2. 02 C1 Advanced Informal

    n.someone who does not belong to a specific professional group or subculture.

    n.a person who is not a member of a particular profession, specialized group, or subculture. Informal in register.

    Simple

    The doctors used so much medical jargon that the civilians in the room were confused.

    In context

    Within the tight-knit community of professional skaters, anyone who doesn't understand the culture is dismissed as a civilian.

    Teacher's tip

    This sense is often used humorously or slightly dismissively by professionals to describe 'regular' people.

    outsiderlayperson
  3. 03 B2 Upper Intermediate

    adj.relating to ordinary people who are not in the military.

    adj.relating to or characteristic of the general public as opposed to the armed forces.

    Simple

    He decided to leave the army and return to civilian life.

    In context

    The transition from a rigid military structure to the flexibility of civilian employment can be challenging for many veterans.

    non militarysecular

Usage civilian infrastructure · civilian casualties · civilian protection

At least 54 civilians were killed and 202 injured, as Russian forces significantly stepped up the use of ballistic and cruise missiles.

UN News· 13 Aug 2026

As the occupying power in the West Bank, Israel is responsible under international law for ensuring the safety of Palestinian civilians and meeting their basic needs.

The Guardian· 13 Aug 2026

From Middle English cyvylien, from Old French civilien. Equivalent to civil + -ian.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old French civilien
Level C1 · Advanced
Frequency Common
Updated