Desultory — Defs

01 a. Leaping or skipping about.

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.
“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.