clash

a loud resonant repeating noise; "he could hear the clang of distant bells"

a state of conflict between persons

a state of conflict between colors; "her dress was a disturbing clash of colors"

a minor short-term fight

crash together with violent impact; "The cars collided"; "Two meteors clashed"

be incompatible; be or come into conflict; "These colors clash"

disagree violently; "We clashed over the new farm policies"