Buttoned-up and Untroubled

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

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

Untroubled adjective - Free from emotional or mental agitation.

Buttoned-up and untroubled are semantically related. Sometimes you can replace phrase "Buttoned-up" with "Untroubled", this terms are similar.