Buttoning up and Hard-hearted

Hard-hearted and buttoning up are semantically related. In some cases you can use "Hard-hearted" instead an adjective "Buttoning up".

Hard-hearted adjective - Having or showing a lack of sympathy or tender feelings.

Buttoning up and hard-hearted are semantically related. Sometimes you can use "Buttoning up" instead an adjective phrase "Hard-hearted".