clash clash /ˈklæʃ/

noun

1. () A loud resonant repeating noise  ( clangour [Canadian, British] , clank , clangouring [Canadian, British] , clang , clangor [American] , clangoring [American] , clash , crash )
   a loud resonant repeating noise
    He could hear the clang of distant bells
   he could hear the clang of distant bells
   
2. () A state of conflict between persons  ( clash , friction )
   a state of conflict between persons
   
3. A minor short-term fight  ( brush , clash , skirmish , encounter )
   a minor short-term fight
     The opposing armies engaged in a brief skirmish before retreating.
   The opposing armies engaged in a brief skirmish before retreating.
   
4. A state of conflict between colors  ( clash )
   a state of conflict between colors
    Her dress was a disturbing clash of colors
   her dress was a disturbing clash of colors
   

verb

1. () Crash together with violent impact  ( collide , clash )
   crash together with violent impact
    The cars collided
   The cars collided
    Two meteors clashed
   Two meteors clashed
   
2. Disagree violently  ( clash )
   disagree violently
    We clashed over the new farm policies
   We clashed over the new farm policies
   
3. Be incompatible; be or come into conflict  ( clash , collide , jar )
   be incompatible; be or come into conflict
    These colors clash
   These colors clash