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.

Although their nervous system contains only about 160,000 neurons, they can still perform complex behaviors such as navigating, interacting socially, learning, and reacting to sensory signals.

From Science Daily • Jun. 10, 2026

Chips, cloud computing and AI "are the nervous system of the modern economy", powering everything from defence to healthcare, EU lawmaker Oliver Schenk said.

From Barron's • Jun. 3, 2026

Studies have also shown adverse effects on the nervous system, reproduction, the hormonal system and the functioning of certain organs including the heart, according to ANSES.

From Barron's • Jun. 2, 2026

MS is a disease of the brain and central nervous system, in which the immune system mistakenly attacks the fatty myelin sheath that normally protects the nerves, like insulation around electric wires.

From BBC • May 29, 2026

I now risked dying from oxygen toxicity, as the excessively high amount of oxygen threatened to burn up my nervous system, lungs, and eyes.

From "The Martian" by Andy Weir