Top definition
A term used within the UK Armed Forces to describe a civilian. This is the correct way to spell it however many people without an education spell the word as "civvie" when in fact, that this is the plural spelling for the word.
Just signed off and gotta wait 12 months til i'm a civi

That dirty civi just cut in front of me at the bar

Plural of civi = civvies
by decanus-is-a-civi August 03, 2017
Get a Civi mug for your father-in-law Jerry.
2
Northwest slang for All things cool or chill
Him: how was work ?
Her: it was civi , manager was off today.

Or

"Aye, no fighting in my house, keep it civi"
by LifeOnMars February 01, 2015
Get a civi mug for your friend Trump.