1. Civilian clothes; ordinary everyday clothing as opposed to a uniform.
Usage: informal; chiefly British; plural noun

Examples

• The soldiers changed out of their uniforms and into civies for the weekend.
• After the ceremony, everyone switched to civies and headed to the pub.
• He preferred wearing civies when he was off duty.
• The recruits were told to bring civies for the informal gathering.
• She felt more comfortable in civies than in her work uniform.