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.

In the brain, for example, microglia, which are the macrophages of the central nervous system, may become senescent in conditions like Alzheimer's disease as they encounter large amounts of cellular debris.

From Science Daily • Apr. 16, 2026

Platts said while most people associate radiation with cancer risk, it also can impact the central nervous system and blood circulation.

From Barron's • Apr. 10, 2026

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 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

A town has a nervous system and a head and shoulders and feet.

From "The Pearl" by John Steinbeck