digressive

adjectives

of superficial relevance if any
"a digressive allusion to the day of the week"; "a tangential remark"
digressive, tangential
(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"
digressive, discursive, excursive, rambling
is derived from
digress