Sentences with Linchpin

The linchpin in the detective's investigation was the crucial piece of evidence that linked the suspect to the crime scene.

The linchpin of a healthy lifestyle is maintaining a balanced diet, regular exercise, and sufficient sleep.

The linchpin of the Constitution is the system of checks and balances, preventing any single branch of government from gaining too much power.

Effective communication skills serve as the linchpin for building strong and lasting relationships in both personal and professional settings.