Noun

• S: (n) clang, clangor, clangour, clangoring, clank, clash, crash (a loud resonant repeating noise) "he could hear the clang of distant bells"
• S: (n) clash, friction (a state of conflict between persons)
• S: (n) clash (a state of conflict between colors) "her dress was a disturbing clash of colors"
• S: (n) brush, clash, encounter, skirmish (a minor short-term fight)

Verb

• S: (v) collide, clash (crash together with violent impact) "The cars collided"; "Two meteors clashed"
• S: (v) clash, jar, collide (be incompatible; be or come into conflict) "These colors clash"
• S: (v) clash (disagree violently) "We clashed over the new farm policies"