detached
/di-ˈtacht/
adjective
standing by itself : separate, unconnected; especially : not sharing any wall with another building
exhibiting an aloof objectivity usually free from prejudice or self-interest
indifferent unconcerned incurious aloof detached disinterested mean not showing or feeling interest. indifferent implies neutrality of attitude from lack of inclination, preference, or prejudice. unconcerned suggests a lack of sensitivity or regard for others' needs or troubles.
verb
to separate especially from a larger mass and usually without violence or damage
disengage, withdraw
noun
military service away from one's assigned organization