Pronunciation: /ˈbækˌboʊn/
noun The main central supporting part of something, such as a structure or organization
A1 The backbone of the human body is the spine.
A2 Having a strong work ethic is the backbone of success.
B1 Effective communication is the backbone of any successful relationship.
B2 The backbone of the company's operations is its dedicated employees.
C1 The backbone of the country's economy is its manufacturing industry.
C2 The backbone of the internet is the network of servers and routers that connect devices worldwide.
adjective Relating to the most important part of something
A1 She has a strong backbone that helps her stand tall.
A2 The backbone of the company is its dedicated employees.
B1 Effective communication is the backbone of any successful team.
B2 The backbone infrastructure of the city was severely damaged in the earthquake.
C1 The backbone of the argument was based on solid evidence and reasoning.
C2 The backbone of the novel was its intricate plot and well-developed characters.
formal The backbone of the company's success lies in its strong leadership and innovative strategies.
informal She's the backbone of our group project, always keeping us on track and organized.
slang You gotta have a strong backbone to stand up to those bullies.
figurative Education is the backbone of a prosperous society, providing the foundation for growth and development.
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