noun
- the series of connected bones down the middle of the back; the spine
- strength of character; courage and determination
- the most important part of something; the foundation or basis
Examples
- The doctor examined her backbone for signs of injury.
- He injured his backbone in the accident and needed surgery.
- She showed real backbone when she stood up to the bullies.
- It takes backbone to start your own business.
- Small businesses are the backbone of the economy.
- Agriculture forms the backbone of the region’s economy.
- The volunteers are the backbone of our organization.