Synonyms for Party crashers:

• n.

  •stranger (noun)
  • squatter,
  • transient,
  • unknown,
  • migrant,
  • perfect stranger,
  • immigrant,
  • outsider,
  • intruder,
  • uninvited person,
  • guest,
  • out-of-stater,
  • foreigner,
  • unknown person,
  • party crasher,
  • visitor,
  • alien,
  • wanderer,
  • foreign body,
  • new arrival,
  • outcomer,
  • outlander,
  • migratory worker,
  • Incomer,
  • interloper,
  • newcomer,
  • itinerant person,
  • drifter.

Antonyms for Party crashers:

• n.

  • stranger
    citizen, native, national, friend, local, acquaintance.