nervous system

noun

: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system

Examples of nervous system in a Sentence

Recent Examples on the Web

When mixed with a sweet ingredient like jelly or even peanut butter, ants consume the boric acid, and the solution slowly kills them by disrupting their digestive and nervous systems, eventually dehydrating the ants. —Kate Van Pelt, The Spruce, 25 Apr. 2026

Amyloidosis is a rare but serious condition caused by abnormal protein deposits that can damage vital organs such as the heart, kidneys and nervous system. —Letters To The Editor, The Orlando Sentinel, 24 Apr. 2026

The supplements are formulated with high-quality potassium to help support a healthy nervous system, heart and muscles. —Bestreviews, Mercury News, 24 Apr. 2026

Neuroscience research has consistently shown that trauma induces persistent changes in the nervous system, leaving the body physiologically anchored in survival mode long after the threat is gone. —Avery Newmark, AJC.com, 23 Apr. 2026

Word History

First Known Use

1703, in the meaning defined above

Rhymes for nervous system

• cryptosystem
• ecosystem
• intersystem
• multisystem
• photosystem
• subsystem

Kids Definition

nervous system

noun

: the bodily system that receives stimuli, decides on their importance, and sends nerve impulses to the organs of action and that in vertebrates is made up of brain and spinal cord, nerves, ganglia, and parts of the receptor organs

Medical Definition

nervous system

noun

: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system