clash

noun

1. (countable, onomatopoeic, uncountable)A loud sound, like the crashing together of metal objects; a crash.

   “I heard a clash from the kitchen, and rushed in to find the cat had knocked over some pots and pans.”

   “Alone amid clashes of rain against the house.”

2. (countable, uncountable)A skirmish, a hostile encounter.

   “In Anatolia tensions between state officials (ehl-i örf) and the peasants were strained to breaking point. At several places—particularly in the frontier provinces—there were fierce clashes between the janissaries stationed there and the governors. In Aleppo and Damascus incidents were common after 1589: the kuls threw rocks at the beylerbeyi’s house, killed people, broke into the divan several times and took the money prepared by the council for remittance to the centre.”

   “Protesters took to the streets and stormed federal buildings. At least 77 people died in violent clashes between protesters and police and then-Prime Minister K.P. Sharma Oli was forced to resign.”

3. (countable, uncountable)match; a game between two sides.

   “But they ran out of time and inspiration as Les Bleus set up a deserved semi-final clash with Wales.”

4. (countable, uncountable)An angry argument.
5. (countable, uncountable)Opposition; contradiction; such as between differing or contending interests, views, purposes etc.

   “clash of beliefs”

   “culture clash”

6. (countable, uncountable)A combination of garments that do not look good together, especially because of conflicting colours.

   “She was wearing a horrible clash of red and orange.”

7. (countable, uncountable)An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession.
8. (Scotland, countable, uncountable)Chatter; gossip; idle talk.
9. (UK, countable, dialectal, obsolete, possibly, uncountable)A heavy fall (of rain); heavy rain.

   “clay soils ploughed in Autumn must often meet with heavy clashes of rain before frost: therefore , those salutary effects, expected to be derived from a frosty Winter, must often be frustrated, by the land being too much condensed by the rains before the frost comes on.”

   “T' taties offer't ta be a grand crop et forend, bet then seea mitch clash an caald wes again em, an thaev tean up varra smo, […]”

verb

1. (intransitive)To make a clashing sound.

   “The cymbals clashed.”

2. (transitive)To cause to make a clashing sound.

   “Thorfinn clashed his shield against Vallon's and swung his axe to hook Vallon's ankle.”

3. (intransitive)To come into violent conflict.

   “Fans from opposing teams clashed on the streets after the game.”

4. (intransitive)To argue angrily.

   “My parents often clashed about minor things, such as the cleaning or shopping rota.”

5. (intransitive)To face each other in an important game.

   “The veteran American legend claims he and Welsh two-weight world champion Calzaghe will clash on 20 September, probably at The MGM Grand in Las Vegas.”

6. (intransitive)To fail to look good together; to contrast unattractively; to fail to harmonize.

   “You can't wear that shirt! It clashes with your trousers.”

   “The hotel room was ugly, and the wallpaper clashed with the carpet.”

7. (intransitive)To coincide, to happen at the same time, thereby rendering it impossible to attend all.

   “I can't come to your wedding because it clashes with a friend's funeral.”

   “I wanted to take German, but it clashed with art on the timetable.”

8. (Scotland, intransitive)To chatter or gossip.
9. (intransitive, slang)To play Clash Royale or Clash of Clans.

   “Dude, are we clashing tonight?”

   “Let's clash before bedtime.”