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adj.
lost in thought; showing preoccupation; "an absent stare"; "an absentminded professor"; "the scatty glancing quality of a hyperactive but unfocused intelligence"
adj.
no longer connected or joined; "a detached part"; "on one side of the island was a hugh rock, almost detached"; "the separated spacecraft will return to their home bases"
adj.
marked by separation of or from usually contiguous elements; "little isolated worlds, as abruptly disjunct and unexpected as a palm-shaded well in the Sahara"- Scientific Monthly