intruso
intruder
noun een-TROO-soh Rare
Origin: From Latin intrusus, past participle of intrudere ('to thrust in').
Also means
trespasser
Usage Note
Intruso / intrusa (f) refers to someone who enters where they are not welcome or authorized. It also functions as an adjective: un elemento intruso ('an intrusive element'). In computing, detección de intrusos is the standard term for intrusion detection. The related noun intrusismo describes the unlicensed practice of a profession, such as practicing medicine without a license.
Examples
"Un intruso entró al edificio por la ventana."
Natural Translation
An intruder entered the building through the window.

Free starter pack
Building your Spanish vocabulary?
Get the 100 most common Spanish words as a free PDF — one email, no spam.
Related Words
Explore Spanish by topic
SpanishNow
6 min read
SpanishNow
6 min read