Desultory

безладний

bezladnyj

(jumping, or passing, from one thing or subject to another, without order or rational connection)

недоладний

nedoladnyj

(out of course; by the way; not connected with the subject)

непов'язаний

nepovʺjazanyj

(out of course; by the way; not connected with the subject)

хаотичний

xaotyčnyj

(jumping, or passing, from one thing or subject to another, without order or rational connection)