certainty
US /ˈsɝː.tən.ti/
UK /ˈsɝː.tən.ti/

1.
certeza, seguridad
firm conviction that something is the case
:
•
He spoke with absolute certainty about his plans.
Habló con absoluta certeza sobre sus planes.
•
There is no certainty of success in this venture.
No hay certeza de éxito en esta empresa.
2.
certeza, hecho cierto
a fact that is definitely true or an event that is definitely going to happen
:
•
Death is the only certainty in life.
La muerte es la única certeza en la vida.
•
It's a certainty that they will win the championship.
Es una certeza que ganarán el campeonato.