DIGRESSION

n. 1 aside, departure, deviation, detour, obiter dictum, parenthesis, apostrophe, excursus His numerous digressions made it difficult to focus on the main points of the speech 2 digressing, deviating, divergence, going off at a tangent, rambling, meandering, straying, wandering, deviation Digression from the main theme of his speech only diluted his argument