extra definition

1. an additional edition of a newspaper (usually to report a crisis)
2. something additional of the same kind
• examples: he always carried extras in case of an emergency
3. added to a regular schedule
• examples: a special holiday flight
• examples: put on special buses for the big game
4. further or added
• examples: called for additional troops
• examples: need extra help
• examples: an extra pair of shoes
5. unusually or exceptionally
• examples: an extra fast car