no se suponía

was not supposed to

→ no
phrase Rare #23,759
was not supposed to Used to say that something was not expected, intended, or allowed to happen. It is commonly followed by que and the subjunctive.
SP: No se suponía que esto fuera tan difícil.
EN: This wasn't supposed to be so difficult.

No se suponía ni que se lastimaría.

They weren't even supposed to get hurt.

— Impacto (1981)

No se suponía que viniera hoy.

I wasn't supposed to come today.

No se suponía que saliera así.

It wasn’t supposed to turn out like this.

— Sin conexión (2025)

No se suponía que vinieras hoy.

You weren’t supposed to come today.