각박해요 · 각박했어요 · 각박한 (+noun)
heartless, harsh, cold (world, people)
Example
요즘 세상이 너무 각박해졌어요.
The world has become so cold-hearted these days.
Word parts
각 carve+박 thin
Literally 'cut thin' — cutting and ungenerous.
Good to know
Classic phrase: 세상이 각박하다 'the world is a cold place'.