desultory

desultory is an Adverb

Definition:

[1] Leaping or skipping about. [Obs.] I shot at it [a bird], but it was so desultory that I missed my aim. Gilbert White.

[2] Jumping, or passing, from one thing or subject to another, without order or rational connection; without logical sequence; disconnected; immethodical; aimless; as, desultory minds. Atterbury. He [Goldsmith] knew nothing accurately; his reading had been desultory. Macaulay.

[3] Out of course; by the way; as a digression; not connected with the subject; as, a desultory remark.