01 n. One who intrudes; one who thrusts himself in, or enters without right, or without leave or welcome; a trespasser.
-
1.
One who intrudes; one who thrusts himself in, or enters without right, or without leave or welcome; a trespasser.“They were all strangers and intruders.” — Locke.
-
2.
A person who enters a private residence or place of business with the intention to perform a criminal act; as, killed by an intruder.