(1):
(a.) Jumping, or passing, from one thing or subject to another, without order or rational connection; without logical sequence; disconnected; immethodical; aimless; as, desultory minds.
(2):
(a.) Out of course; by the way; as a digression; not connected with the subject; as, a desultory remark.
(3):
(a.) Leaping or skipping about.