digressive

(s) of superficial relevance if any
- a digressive allusion to the day of the week
- a tangential remark
tangential,
(s) (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
excursive, discursive, rambling,

tangential excursive discursive rambling

digression