desultory

hyppelehtivä jumping Jumping, or passing, from one thing or subject to another, without order, planning, or rational connection; without logical sequence.
(quote-text)|title=(w)|chapter=25|passage=To mend the matter, Hamlet's aunt had the family failing of indulging in soliloquy, and held forth in a desultory manner, by herself, on every topic that was introduced.

He wandered round, cleaning up in a desultory way.

I teach a class of desultory minds.

I made a desultory remark while I was talking to my friend.

She made a desultory attempt at conversation.