1. Not beset by troubles or disturbance or distress
   "seemed untroubled by doubts of any kind"; "untroubled sleep"; "a kind untroubled face" 
2. Free from fear or doubt; easy in mind
   - secure, unafraid 
3. Free from turmoil or worries
   "untroubled times"

See also: carefree, clear, dreamless, quiet, trouble-free, unconcerned, undisturbed, unharassed, unmolested, unworried

Antonym: troubled

• soapiness
• soaprock
• soapstone
• soapsuds
• soapweed
• soapwort
• soapwort gentian
• soapy
• soar
• soar up
• soar upwards
• soaring
• Soave
• sob
• sob sister
• sob story
• sob stuff
• sobbing
• sobbingly
• sober
• sober up
• sobering
• soberly
• soberness
• sobersided