n. 1 a a state of aloofness from or indifference to other people, one's surroundings, public opinion, etc. b disinterested independence of judgement. 2 a the act or process of detaching or being detached. b an instance of this. 3 Mil. a separate group or unit of an army etc. used for a specific purpose.
[ F détachement (as DETACH) ]