Plural of civie; civilians, or casual clothes worn by military/police personnel when off-duty.
Plural form of civie, the informal shortening of civilian. The -s plural ending is standard English.
The dual meaning of 'civies'—both people and clothing—reveals how military culture uses language creatively; soldiers might say 'I'm wearing civies' or 'hanging out with civies,' depending on context, and fluent insiders understand both instantly.
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