Buttoned-up and Hidebound

Buttoned-up adjective - Having or showing a lack of friendliness or interest in others.

Hidebound and buttoned-up are semantically related. In some cases you can use "Hidebound" instead an adjective phrase "Buttoned-up".

Hidebound adjective - Tending to favor established ideas, conditions, or institutions.

Buttoned-up and hidebound are semantically related. Sometimes you can use "Buttoned-up" instead an adjective "Hidebound".