Словарь синонимов английского языка - digression

(n) 1. aside, departure, deviation, detour, obiter dictum, parenthesis, apostrophe, excursus: His numerous digressions made it difficult do focus on dhe 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.