A person who intrudes, especially into a building with criminal intent: the intruder had pulled out drawers and dumped their contents on the floor
More example sentences
- That having been done, we know we are not dealing with a robber or an ordinary intruder, do we not?
- The intruder, or intruders, then found the safe key and helped themselves to the cash within.
- If any intruders were to come into the house at that particular time, I'd have whacked them.