1. a small explosive device that makes a loud noise when it explodes, used for celebration or entertainment
2. a person who is very energetic, lively, or spirited
Usage: informal

Examples

• The children lit firecrackers during the Fourth of July celebration.
• We could hear firecrackers popping in the distance during Chinese New Year.
• The firecracker exploded with a loud bang that startled the dog.
• She’s a real firecracker – always full of energy and enthusiasm.
• The small firecracker left scorch marks on the pavement.
• My grandmother may be 80, but she’s still a firecracker who keeps us all on our toes.