clash

(noun) a loud resonant repeating noise. Synonyms: clang, clangor, clangour, clangoring, clank, crash. Example: "He could hear the clang of distant bells."

(noun) a state of conflict between persons. Synonyms: friction.

(noun) a state of conflict between colors. Example: "Her dress was a disturbing clash of colors."

(noun) a minor short-term fight. Synonyms: brush, encounter, skirmish.

(verb) crash together with violent impact. Synonyms: collide. Examples: "The cars collided." "Two meteors clashed."

(verb) be incompatible; be or come into conflict. Synonyms: jar, collide. Example: "These colors clash."

(verb) disagree violently. Example: "We clashed over the new farm policies."