decisivo

decisive, crucial

d e θ i ˈs i b o
decis decide + ivo characterized by or relating to
adjective · singular Rare #45,698
decisive, crucial
SP: Tu apoyo fue decisivo para terminar el proyecto.
EN: Your support was crucial to finishing the project.

Éste es el momento decisivo.

This is the decisive moment.

— Guardianes Del Día (2006)

¡Mira qué decisivo es él!

Look how decisive he is!

— Sin Amor (2017)

Eh, ¡esto era nada menos que un progreso decisivo!

Wow, this was nothing short of a decisive breakthrough!

— Divorzio all'italiana (1961)

Allí iba a suceder el acontecimiento más decisivo de su vida.

There, the most decisive event of his life was about to take place.

Este es el duelo decisivo.

This is the decisive duel.

Pensé que era el momento más decisivo de mi vida.

I thought it was the most decisive moment of my life.

— Despedidas (2008)