How to Say "annul" in Spanish
The Spanish word for “annul” is “cancelar” — A2 level. This is a very common word in everyday Spanish.

Examples
Tuvimos que cancelar el viaje por la lluvia.
We had to cancel the trip because of the rain.
¿Podemos cancelar mi reservación para esta noche?
Can we cancel my reservation for tonight?
La reunión se canceló a última hora.
The meeting was canceled at the last minute. (Uses the reflexive form 'cancelarse')
The Reflexive Form
You can use 'cancelarse' (like 'se canceló') when the event cancels itself, or when you don't mention who did the canceling. This is common for passive sentences.
Using 'Cancelar' for Subscriptions
Mistake: “Using 'cancelar' when you mean 'unsubscribe' from an email list.”
Correction: Use 'darse de baja' or 'anular la suscripción' instead of 'cancelar' for digital services.
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.