English

Adjective

nonparty ‎(not comparable)

1. Not a party (social gathering), or not related to parties or partying.
   • 2007 March 10, Melena Ryzik, “Are You Ready to Listen? This Rocker Just Wants to Talk”, in New York Times:

     Subsequent albums of nonparty songs and metal-like ballads have not been nearly as successful, but 20-something truth-seekers are not made for stasis.

2. (law) Not a party (involved person or entity), or unrelated to a party.

Noun

nonparty ‎(plural nonparties)

1. (law) One who is not a party.