2A person or thing vital to an enterprise or organization: nurses are the linchpin of the National Health Service
More example sentences
- Nurses will be the linchpin to the Government's grandiose plans to modernise and improve the National Health Service, one of their leaders says.
- But at the same time, she said that these memos, which after all was the lynchpin, the core of your broadcast, were not real.
- The diversity and broad appeal that had been the linchpin of its success now drained away like vital oil.
late Middle English: from Old English lynis (in the sense 'linchpin') + pin.
Definition of linchpin in:
- The US English dictionary