backbone
/ˈbækˌboʊn/
noun
- The series of bones (vertebrae) that runs down the middle of the back; the spine.
- She injured her backbone in a fall and had to wear a brace.
- The human backbone protects the spinal cord and supports the body.
- A healthy backbone is essential for good posture.
- The main support or most important part of a system, organization, or structure.
- Volunteers form the backbone of the charity's operations.
- Small businesses are the backbone of the local economy.
- The internet's backbone consists of high-speed cables that connect continents.
- Strength of character; courage and determination.
- It takes backbone to stand up for what you believe in.
- He showed real backbone by admitting his mistake publicly.
- She has the backbone to lead the team through difficult times.
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