| Intruder (n.) One who intrudes; one who thrusts himself in, or enters without right, or without leave or welcome; a trespasser. Thesaurus Entries arrival, arriviste, black sheep, blemish, burglar, busybody, buttinsky, comer, crasher, emigrant, encroacher, entrant, foreign body, foreign intruder, gate-crasher, gatecrasher, greenhorn, immigrant, impurity, in-migrant, incomer, infiltrator, interloper, invader, kibitzer, meddler, misfit, monkey wrench, mote, new arrival, new boy, newcomer, novus homo, oddball, parvenu, recruit, rookie, settler, sliver, snooper, speck, splinter, squatter, stone, stowaway, tenderfoot, thief, trespasser, uninvited guest, unwelcome guest, upstart, visitant, visitor, weed |