1. inexorable
the inexorable advance of time
Don't bother yourself with trying to convince him. He's inexorable.
And the argument here would be that the wheels of evolution grind slowly, but they are inexorable.
Englisch Wort "nie do powstrzymania"(inexorable) tritt in Sätzen auf:
lengua inglesa 42. unstoppable
The population explosion was unstoppable.
He's unstoppable right now but the question is how long he can remain at the pinnacle of his career.
3. unsustainable
unsustainable economic growth