n (onomatopoeia) A loud sound, like the crashing together of metal objects.
n A skirmish, a hostile encounter.
n (sports) match; a game between two sides.
n An angry argument
n Opposition; contradiction; such as between differing or contending interests, views, purposes etc.
n A combination of garments that do not look good together, especially because of conflicting colours.
n (hurling) An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession.
n (Scotland) Chatter; gossip; idle talk.
v (intransitive) To make a clashing sound.
v (transitive) To cause to make a clashing sound.
v (intransitive) To come into violent conflict.
v (intransitive) To argue angrily.
v (intransitive, in games or sports) To face each other in an important game.
v (intransitive, of clothes, decor, colours) To fail to look good together; to contrast unattractively; to fail to harmonize.
v (intransitive, of events) To coincide, to happen at the same time, thereby rendering it impossible to attend all.
v (intransitive, Scotland) To chatter or gossip.