Latin words meaning ruthless are:
I couldn't find "unstoppable" in the latin dictionary but i found the latin word for unconquerable, Inexpugnabilis.
It mean "Unstoppable" in Latin
Relentless
unstoppable
The Greek word for "unstoppable" is ακατανίκητος (akataníkitos), which translates to "invincible" or "undefeatable." This word embodies the idea of being unable to be conquered or overcome.
There are total of 11 letters in this word.
unstoppable possible
Continuous, never-ending, forever, or unstoppable.
The Brazen bull was unstoppable
for scrabble points
Unstoppable tennis champion
Cujo is an Indian word meaning "Unstoppable Force".