Synonyms of intruder

1 Syllable

thief

2 Syllables

meddler, raider, strangers, squatter, snooper, burglar, prowler, stranger

3 Syllables

trespasser, criminal, invader, newsmonger, outsiders, gate-crasher, obtruder, outcomer, aggressors, outsider, invaders, nuisance, aliens, aggressor

4 Syllables

interlopers, busybody, interloper, infiltrator, interrupter, out-of-stater, interferer, intermeddler, noncitizen