to make a loud, harsh noise: The gears of the old car clashed and grated.
2.
to come together or collide, especially noisily: The cymbals clashed.
3.
to conflict; disagree: Their stories of the accident clashed completely.
4.
(of juxtaposed colors) to be offensive to the eye.
5.
to engage in a physical conflict or contest, as in a game or a battle (often followed by with ): The Yankees clash with the White Sox for the final game of the season.