Hardhearted and Mulish

Hardhearted adjective - Lacking in feeling or pity or warmth.

Mulish and hardhearted are semantically related. In some cases you can use "Mulish" instead an adjective "Hardhearted".

Mulish adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

Hardhearted and mulish are semantically related. Sometimes you can use "Hardhearted" instead an adjective "Mulish".