di·gress [dih-gres, dahy-]
verb (used without object)
1. to deviate or wander away from the main topic or purpose in speaking or writing; depart from the principal line of argument, plot, study, etc.
2. Archaic. to turn aside.
CAN BE CONFUSED
re·di·gress, verb (used without object)
meander, swerve, depart, ramble, veer, drift, divagate, roam, wander
See more synonyms on Thesaurus.com
1. ramble, stray.
1. See deviate.
Origin: 1520–30; < Latin digressus, past participle of digredi to go off, depart, digress, equivalent to di- di- + -gredi, combining form of gradi to go; cf. grade
EXAMPLES FROM THE WEB FOR DIGRESS
But I digress, enough with the “man who wears two masks” nonsense, as if Banville must justify writing mystery novels.
CAN PULP WIN THE BOOKER?|ALLEN BARRA|SEPTEMBER 7, 2011|DAILY BEAST
We could name some remarkable instances of this prejudice, if we were willing to digress.
THE INDIAN IN HIS WIGWAM|HENRY R. SCHOOLCRAFT
Anthony Despeisses was a lawyer who used frequently to digress.
THE BOOK-HUNTER AT HOME|P. B. M. ALLAN
Here it will be well to digress a little to describe a 'threshing-floor' (Goren) of this period.
JERUSALEM EXPLORED, VOLUME I--TEXT|ERMETE PIEROTTI
Any attempt to digress from this rule is fatal for correct composition.
GARDEN ORNAMENTS|MARY H. NORTHEND
So unique, so bewitchingly attractive are these pueblos, that I must digress awhile to describe their nature and origin.
ACROSS AMERICA BY MOTOR-CYCLE|C. K. SHEPHERD