separate or disconnected

aloof and objective

he is a detached observer of his own actions

disengage (something or part of something) and remove it

he detached the front lamp from its bracket

a willingness to detach comment from political allegiance

leave or separate oneself from (a group or place)

a figure in brown detached itself from the shadows

the newspaper detached itself from the political parties

(of a group of soldiers or ships) be sent on a separate mission

our crew were detached to Tabuk for the exercise