effort expended in moving one object over another with pressure | an open clash between two opposing groups (or individuals) |
the resistance encountered when one body is moved in contact with another | a hostile meeting of opposing military forces in the course of a war |
a state of conflict between persons | an incompatibility of dates or events |
| 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 |