1. to strike or collide with a loud, harsh, usu. metallic noise: The cymbals clashed. 2. to conflict; disagree: Your ideas often clash with mine. 3. (of juxtaposed colors) to be offensive to the eye. 4. to engage in a physical conflict or contest (often fol. by with). More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.