\\\"a digressive allusion to the day of the week\\\"
\\\"a tangential remark\\\"
(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\\\"