“+ adjective
Etymology: Middle English, from un- (I) + troubled
1. : not given trouble : not made uneasy
could pursue my hobby untroubled by the dislike of needless waste — Francis Birtles
2. : calm , tranquil
the pictorial value of the large untroubled rectangular spaces — Roger Fry
a huge stretch of untroubled harbor, sheltered from the winds — Julian Dana
• un·trou·bled·ness noun