an open clash between two opposing groups (or individuals) | the quality of being unable to exist or work in congenial combination |
a hostile meeting of opposing military forces in the course of a war | the relation between propositions that cannot both be true at the same time |
an incompatibility of dates or events | (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue) |
a disagreement or argument about something important | |
opposition between two simultaneous but incompatible feelings | |
opposition in a work of drama or fiction between characters or forces (especially an opposition that motivates the development of the plot) | |
a state of opposition between persons or ideas or interests | |