unconcerned

indifferent, unconcerned, incurious, aloof, detached, disinterested mean not showing or feeling interest. indifferent implies neutrality of attitude from lack of inclination, preference, or prejudice <indifferent to the dictates of fashion>. unconcerned suggests a lack of sensitivity or regard for others' needs or troubles <unconcerned about the homeless>. incurious implies an inability to take a normal interest due to dullness of mind or to self-centeredness <incurious about the world>. aloof suggests a cool reserve arising from a sense of superiority or disdain for inferiors or from shyness <aloof from his coworkers>. detached implies an objective attitude achieved through absence of prejudice or selfishness <observed family gatherings with detached amusement>. disinterested implies a circumstantial freedom from concern for personal or especially financial advantage that enables one to judge or advise without bias <judged by a panel of disinterested observers>.