Dictionary definition · clash
noun
- 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
verb
- crash together with violent impact"The cars collided"
- be incompatible; be or come into conflict"These colors clash"
- disagree violently"We clashed over the new farm policies"
Source: Open English WordNet (CC BY 4.0).