clash

noun
A loud sound, like the crashing together of metal objects.A skirmish, a hostile encounter.A match; a game between two sides.An angry argumentOpposition; contradiction; such as between differing or contending interests, views, purposes etc.A combination of garments that do not look good together, especially because of conflicting colours.An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession.Chatter; gossip; idle talk.

verb
To make a clashing sound.To cause to make a clashing sound.To come into violent conflict.To argue angrily.(in games or sports) To face each other in an important game.(of clothes, decor, colours) To fail to look good together; to contrast unattractively; to fail to harmonize.(of events) To coincide, to happen at the same time, thereby rendering it impossible to attend all.To chatter or gossip.