Implacable (en. Relentless)

/imˈpla.kable/

Slang Meanings

A term to describe someone who does not forgive.
She is implacable; there is no way she'll forgive you.
Ella es implacable, no hay forma de que te perdone.
Describes something that is out of control.
The storm was implacable; it wouldn't stop pounding.
La tormenta era implacable, no paraba de azotar.