neu·​ro·​pep·​tide ˌnu̇r-ə-ˈpep-ˌtīd How to pronounce neuropeptide (audio)
: an endogenous peptide that influences neural activity or functioning

Examples of neuropeptide in a Sentence

Recent Examples on the Web The second was orexin B, a neuropeptide made in the brain that helps control wakefulness. Jennifer Chesak, Verywell Health, 24 June 2024 The urine of the women who get UTIs also contained a neuropeptide that’s made when neurons are activated. Theresa Gaffney, STAT, 1 Mar. 2024 The experts also mapped how the individual clusters interact with one another and are in contact with the help of neurotransmitters and neuropeptides. Karin Schlott, Scientific American, 18 Dec. 2023 These include hormones such as insulin, neuropeptides like endorphins, and oxytocin, as well as many others that most of us have never heard of. Amber Smith, Discover Magazine, 23 Sep. 2023 The researchers found higher levels of that brain chemical—neuropeptide Y (NPY)—in humans, compared with our closest living relatives. Joanna Thompson, Scientific American, 11 Sep. 2023 Orexin is a neuropeptide that is involved in regulating wakefulness and arousal. The Salt Lake Tribune, 15 Aug. 2023 Adrafinil may stimulate the production of orexin, a neuropeptide that is involved in regulating wakefulness and arousal [7]. The Salt Lake Tribune, 1 Aug. 2023 But dopamine is not a neuropeptide. Neuroskeptic, Discover Magazine, 8 May 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neuropeptide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of neuropeptide was in 1973

Dictionary Entries Near neuropeptide

Cite this Entry

“Neuropeptide.” Dictionary, Merriam-Webster, Accessed 18 Jul. 2024.

Medical Definition


neu·​ro·​pep·​tide ˌn(y)u̇r-ə-ˈpep-ˌtīd How to pronounce neuropeptide (audio)
: an endogenous peptide (as an endorphin or an enkephalin) that influences neural activity or functioning

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