Noun
The act of digressing or deviating, esp. from the main subject of a discourse; hence, a part of a discourse deviating from its main design or subject.
A turning aside from the right path; transgression; offense.
The elongation, or angular distance from the sun; -- said chiefly of the inferior planets.
Source: Webster's dictionaryDigression is the soul of wit. Take the philosophic asides away from Dante, Milton or Hamlet's father's ghost and what stays is dry bones. Ray Bradbury
I believe that the great painters with their intellect as master have attempted to force this unwilling medium of paint and canvas into a record of their emotions. I find any digression from this large aim leads me to boredom. Edward Hopper
Forgive me this digression - that I stand Entranced awhile at Law's first beam, outbreak O' the business, when the Count's good angel bade "Put up thy sword, born enemy to the ear, "And let Law listen to thy difference!" Robert Browning
a diversion from the main highway Source: Internet
a digression into irrelevant details Source: Internet
a deflection from his goal Source: Internet