This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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verb-intransitive. To collide with a loud, harsh, usually metallic noise: cymbals clashing.

verb-intransitive. To come into conflict; be in opposition: factions that clashed on a tax increase; an eyewitness account that clashed with published reports.

verb-intransitive. To create an unpleasant visual impression when placed together: colors that clash.

v. To strike together with a loud, harsh, metallic noise.

n. A loud, harsh noise, such as that made by two metal objects in collision.

n. A conflict, as between opposing or irreconcilable ideas. See Synonyms at discord.

n. An encounter between hostile forces; a battle or skirmish.

n. A loud sound.

n. A skirmish, a hostile encounter.

n. a 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. An instance of restarting the game after a "dead ball", where it is dropped between two opposing players, who can fight for possession.

v. to make a loud clash

v. to come into violent conflict

v. to argue angrily

v. to not look good together.

v. to coincide, to happen at the same time, thereby rendering it impossible to attend all.

v. to face each other in an important game.

verb-intransitive. To make a noise by striking against something; to dash noisily together.

verb-intransitive. To meet in opposition; to act in a contrary direction; to come onto collision; to interfere.

v. To strike noisily against or together.

n. A loud noise resulting from collision; a noisy collision of bodies; a collision.

n. Opposition; contradiction; as between differing or contending interests, views, purposes, etc.

To make a loud harsh noise, as from a violent or sudden blow or collision.

To dash against an object with a loud noise; come into violent and resounding collision; strike furiously.

Figuratively, to act with opposing power or in a contrary direction; come into collision; contradict; interfere: as, their opinions and their interests clash.

To talk; gossip idly; tattle; tell tales.

To bang; strike, or strike against, with a resounding collision; strike sharply together.

n. A sharp or harsh noise made by a blow, as upon a metallic surface; a sound produced by the violent collision of hard bodies; a striking together with noise; noisy collision.

n. Figuratively, opposition; collision; contradiction, as between differing or conflicting interests, views, purposes, etc.

n. Tittle-tattle; scandal; idle talk.

n. A quantity of any moist substance thrown at something; a splash.

n. a loud resonant repeating noise

n. a state of conflict between persons

v. crash together with violent impact

n. a state of conflict between colors

v. disagree violently

n. a minor short-term fight

v. be incompatible; be or come into conflict

"The title clash will be the pair's 21st meeting with Nadal holding the advantage at 13 wins to seven."

clashed    clashes    clashing   

noise    conflict    differ    disagree    dissent    take issue   

interfere    collision    opposition    contradiction    collide    conflict    disagree    dash    noise    disagreement   

Asch    Ash    Ashe    Bash    Cash    Flash    Nash    Tash    abash    ash   

clatter    crash    tumult    din    conflict    clamor    thud    roar    confrontation    rumble