digressive -
(of e.g. speech and writing) tending to depart from the main point or cover a wide range of subjects; "amusingly digressive with satirical thrusts at women's fashions among other things"; "a rambling discursive book"; "his excursive remarks"; "a rambling speech about this and that"
indirect not direct in spatial dimension; not leading by a straight line or course to a destination; "sometimes taking an indirect path saves time"; "you must take an indirect course in sailing"
digressive -
of superficial relevance if any; "a digressive allusion to the day of the week"; "a tangential remark"