Synonyms for Party crasher:

• n.

  •stranger (noun)
  • guest,
  • migrant,
  • newcomer,
  • transient,
  • intruder,
  • unknown,
  • immigrant,
  • squatter,
  • wanderer,
  • drifter,
  • outlander,
  • alien.

• Other synonyms:

  •Other relevant words:
  • interloper,
  • damper,
  • killjoy,
  • beggar,
  • Marplot,
  • blanket,
  • Hinderer.

Antonyms for Party crasher:

• n.

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