n. The arrangement of actions or interconnection of causes which constitutes the final event of a dramatic piece; the unfolding and winding up of the plot, clearing up difficulties, and closing the play; the dénouement.n. A notable event terminating a connected series; a finishing stroke or wind-up; specifically, an unfortunate conclusion; hence, any great calamity or disaster, especially one happening suddenly or from an irresistible cause.n. In geology, an occurrence of geological importance not in harmony with preceding events, and not the result of causes acting always in a given direction; a cataclysm.n. Synonyms Disaster, Calamity, etc. (see mis-fortune); consummation, finale.