What does "civvy" mean?

A civilian; someone who is not in the military.

What is a synonym for "civvy"?

Common synonyms include: civvies.

/ˈsɪvi/ noun, slang

noun, slang ·Uncommon ·College level

Noun

1
A civilian; someone who is not in the military. informal
2
A manufactured cigarette, as opposed to a rollup. slang
"I reached across and offered him the packet of civvies."

"I reached across and offered him the packet of civvies."

Shortening of civilian + -y.