n an open clash between two opposing groups (or individuals) n opposition between two simultaneous but incompatible feelings n a hostile meeting of opposing military forces in the course of a war n a state of opposition between persons or ideas or interests n an incompatibility of dates or events n opposition in a work of drama or fiction between characters or forces (especially an opposition that motivates the development of the plot) n a disagreement or argument about something important v be in conflict v go against, as of rules and laws
