Spanish phrase
¿Por si acaso?
Meaning
Just in case?
When to use it
Suggests taking a precautionary action. It is used to offer extra preparations like bringing a backup and has a polite, cautious tone.
Example dialogue
Me voy de viaje mañana.
I'm going on a trip tomorrow.
¿Por si acaso llevo un cargador extra?
Should I bring an extra charger, just in case?