1. a confused fight or struggle involving many people
2. a confused mixture or jumble of things

Examples

• A melee broke out in the stadium after the controversial call.
• The protesters and police clashed in a violent melee.
• What started as a minor disagreement turned into a full melee.
• The crowded store became a melee of shoppers during the sale.
• The meeting dissolved into a melee of shouting voices.
• Security guards quickly broke up the melee in the parking lot.