1. untroubled - Adjective
2. untroubled - Adjective Satellite
free from fear or doubt; easy in mind
free from turmoil or worries
not beset by troubles or disturbance or distress
Source: WordNetNowhere can man find a quieter or more untroubled retreat than in his own soul. Marcus Aurelius
They who in trouble untroubled are Will trouble trouble itself. Thiruvalluvar
A philosopher may try to prove the truth of something he believed before he was a philosopher, but even if he succeeds, his belief never regains the untroubled character, and the settled place in his mind, which it had at first. David Stove
The proud, the cold untroubled heart of stone, that never mused on sorrow but its own. Thomas Campbell
The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are. Marcus Aurelius
What matters it, that, all around, Danger, and guilt, and darkness lie, If but within our bosom's bound We hold a bright, untroubled sky, Warm with ten thousand mingled rays Of suns that know no winter days? Emily Brontë