go against, as of rules and laws
an open clash between two opposing groups (or individuals)
a hostile meeting of opposing military forces in the course of a war
a disagreement or argument about something important
an incompatibility of dates or events
a state of opposition between persons or ideas or interests
be in conflict
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)
agreement of opinions
a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole
the structure of music with respect to the composition and progression of chords
compatibility in opinion and action
an agreeable sound property