"seemed untroubled by doubts of any kind"; "untroubled sleep"; "a kind untroubled face"
is similar to
free of trouble and worry and care
"the carefree joys of childhood"; "carefree millionaires, untroubled financially"
is similar to
characterized by freedom from troubling thoughts (especially guilt)
"a clear conscience"; "regarded her questioner with clear untroubled eyes"
is similar to
untroubled by dreams
"a sound and dreamless sleep"
is similar to
without problems or difficulties
"NASA reported a trouble-free launch"
is similar to
easy in mind; not worried
"the prisoner seems entirely unconcerned as to the outcome of the examination"
is similar to
untroubled by interference or disturbance
"he could pursue his studies undisturbed"
is similar to
not interfered with, disturbed, or harmed
see also
lacking in interest or care or feeling
"the average American...is unconcerned that his or her plight is the result of a complex of personal and economic and governmental actions...beyond the normal citizen's comprehension and control"; "blithely unconcerned about his friend's plight"
see also
characterized by an absence or near absence of agitation or activity
"a quiet life"; "a quiet throng of onlookers"; "quiet peace-loving people"; "the factions remained quiet for almost 10 years"