digression Play nounA temporary departure from the main subject in speech or writing. SYNONYMS apostropheasidedeparturedetourdeviationdeviation from the subjectdivagationdivergencediversiondriftingexcursionexcursusfootnotegetting sidetrackedgoing off at a tangentincidental remarklosing one's threadmaunderingmeanderingobiter dictumparenthesisramblingstrayingstraying from the pointstraying from the topicwandering