unconcerned

adj 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”

Synonyms: careless
marked by lack of attention or consideration or forethought or thoroughness; not careful; blase
nonchalantly unconcerned; blithe
lacking or showing a lack of due concern; casual, insouciant, nonchalant
marked by blithe unconcern; degage, detached, uninvolved
showing lack of emotional involvement; indifferent
showing no care or concern in attitude or action; untroubled
not beset by troubles or disturbance or distress

Antonyms:: concerned
feeling or showing worry or solicitude; attentive
(often followed by `to') giving care or attention; afraid
filled with regret or concern; used often to soften an unpleasant statement; afraid
feeling worry or concern or insecurity; haunted, obsessed, preoccupied, taken up
having or showing excessive or compulsive concern with something; solicitous
full of anxiety and concern; troubled
characterized by or indicative of distress or affliction or danger or need; show more antonyms...

adj not occupied or engaged with

“readers unconcerned with style”

Synonyms: uninvolved
not involved

adj easy in mind; not worried

“the prisoner seems entirely unconcerned as to the outcome of the examination”

Synonyms: untroubled
not beset by troubles or disturbance or distress

DEFINITIONS OF: unconcerned

adj lacking in interest or care or feeling

adj not occupied or engaged with

adj easy in mind; not worried