- to make a loud, harsh noise: The gears of the old car clashed and grated.
- to come together or collide, especially noisily: The cymbals clashed.
- to conflict; disagree: Their stories of the accident clashed completely.
- (of juxtaposed colors) to be offensive to the eye.
- 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.
- to strike with a resounding or violent collision: He clashed his fist against the heavy door.
- to produce (sound) by or as by collision: The tower bell clashed its mournful note.
- a loud, harsh noise, as of a collision: The automobiles collided with a terrible clash.
- a collision, especially a noisy one.
- a conflict; opposition, especially of views or interests: a clash between nations.
- a battle, fight, or skirmish: The clash between the border patrols left three men dead.
- to make or cause to make a loud harsh sound, esp by striking together
- to be incompatible; conflict
- to engage together in conflict or contest
- (of dates or events) to coincide
- (of colours) to look ugly or inharmonious together
- a loud harsh noise
- a collision or conflict
- gossip; tattle