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endorphin Syllabification: en·dor·phin
Pronunciation: /ˌenˈdôrfēn/

Definition of endorphin in English:


Any of a group of hormones secreted within the brain and nervous system and having a number of physiological functions. They are peptides that activate the body’s opiate receptors, causing an analgesic effect.
Example sentences
  • Doing so will help your body produce endorphins, feel-good brain chemicals that can counter feelings of stress.
  • Physical activity is known to influence the physiological production of endorphins in the brain that also elevate mood.
  • It is well established that exercise improves mood, thanks to the powerful effect of chemical endorphins on the brain.


1970s: blend of endogenous and morphine.

Words that rhyme with endorphin

dolphin • bowfin
Definition of endorphin in:
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