2A person or thing vital to an enterprise or organization: regular brushing is the linchpin of all good dental hygiene
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.
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