1. people who spoil the enjoyment or fun of others
Usage: plural of killjoy

Examples

• The killjoys at the office complained about our birthday celebration.
• Don’t be such killjoys – let the kids have some fun!
• The neighborhood killjoys called the police about our music.
• We ignored the killjoys and continued with our party plans.
• Those killjoys never want anyone to enjoy themselves.
• The festival organizers had to deal with several killjoys who opposed the event.