Unconcerned - Definition

adj 1: 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" [ant: concerned]
2: easy in mind; not worried; "the prisoner seems entirely
unconcerned as to the outcome of the examination"
3: not occupied or engaged with; "readers unconcerned with
style"