The Collaborative International Dictionary
Digressional
Digressional \Di*gres"sion*al\, a.
Pertaining to, or having the character of, a digression;
departing from the main purpose or subject.
--T. Warton.
Wiktionary
digressional
a. Pertaining to, or having the character of, a digression; departing from the main purpose or subject.