nervous system

[nur-vuhs sis-tuhm] / ˈnɜr vəs ˌsɪs təm /

NOUN

central nervous system

Synonyms

WEAK

nerve system nerves neurology peripheral nervous system sense organs sensorium sensory apparatus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the enteric nervous system, which governs gut motility through a dense network of neurons that neuroscientists sometimes call the “second brain,” is not built to sustain that kind of chronic, pharmacological override.

From Slate • Mar. 22, 2026

The trauma meant her nervous system was in a "fight or flight" state.

From BBC • Mar. 22, 2026

The Ukrainian president is the same as ever—steadfast, with a nervous system that seems fireproof and capable of withstanding anything.

From The Wall Street Journal • Mar. 18, 2026

For the first time, his presence didn’t heighten my nervous system.

From Los Angeles Times • Mar. 13, 2026

She tried brewing drinks of roasted grain or roots, but her nervous system was not deceived by a beverage that resembled coffee only in appearance.

From "Across Five Aprils" by Irene Hunt