Word Study
gate crasher
THESAURUS
gate crasher
arriviste, buttinsky, caller, company, crasher, emigrant, encroacher, freeloader, frequenter, greenhorn, guest, habitue, immigrant, infiltrator, interloper, intruder, invader, moocher, new arrival, new boy, newcomer, novus homo, parvenu, recruit, rookie, settler, squatter, stowaway, tenderfoot, trespasser, uninvited guest, unwelcome guest, upstart, visitant, visitorFor further exploring for "gate crasher" in Webster Dictionary Online