Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun unwelcome_guest

1 sense of unwelcome guest

Sense 1
gatecrasher, crasher, unwelcome guest -- (someone who gets in (to a party) without an invitation or without paying)
       => intruder, interloper, trespasser -- (someone who intrudes on the privacy or property of another without permission)