vitalsign

noun
UK /ˈvaɪ.təl saɪn/
US /ˈvaɪ.t̬əl saɪn/

A vital sign is a sign that shows your body is alive and working, like your heartbeat or breathing.

The nurse checked the patient's vital signs after the surgery.


OTHER MEANINGS

2. A measurement of basic body functions such as pulse, temperature, and blood pressure used to assess health.

Doctors record vital signs at every visit to track changes in health.

3. An important early signal that something is happening or changing.

Rising prices are a vital sign that the economy is shifting.

4. In a figurative sense, a key indicator of whether a system or organization is healthy.

Customer satisfaction is a vital sign of a company's success.