Definitions

1. noun

A social gathering or party that is deliberately informal or unstructured, often as a rejection of traditional party etiquette.

“The couple decided to have an unpary with their friends, complete with a potluck and a playlist of their favorite songs.”

2. verb

To have or host a social gathering or party that is deliberately informal or unstructured.

“They unparyed in the backyard, with a bonfire and music playing late into the night.”