How to Say "to infiltrate" in Spanish
The Spanish word for “to infiltrate” is “infiltrar” — B2 level.
English → SpanishB2
verbB2
espionage or organizations

Examples
La policía logró infiltrar a un agente en la banda.
The police managed to plant an agent in the gang.
El espía se infiltró en la base enemiga sin ser visto.
The spy sneaked into the enemy base without being seen.
Es casi imposible infiltrar una organización tan secreta.
It is almost impossible to infiltrate such a secret organization.
Using 'se' for yourself
If you are the one doing the sneaking in, you must use 'se' (infiltrarse). If you are putting someone else into a group, use 'infiltrar'.
Which preposition to use?
Always use the word 'en' (in/into) to describe the group or place being entered.
Confusing the target
Mistake: “Infiltré en el grupo.”
Correction: Me infiltré en el grupo.
Related Translations
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