endorphin: meaning, definition, pronunciation and examples

C1/C2
UK/ɛnˈdɔːfɪn/US/ɛnˈdɔːrfɪn/

Semi-technical; common in popular science, fitness, wellness, and general media.

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Quick answer

What does “endorphin” mean?

A type of hormone produced in the brain and nervous system that acts as a natural painkiller and creates feelings of pleasure or well-being.

Audio

Pronunciation

Definition

Meaning and Definition

A type of hormone produced in the brain and nervous system that acts as a natural painkiller and creates feelings of pleasure or well-being.

Informally, any chemical or activity that produces a similar feeling of happiness or euphoria. Used metaphorically to describe sources of joy.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling is identical.

Connotations

Identical positive connotations related to natural well-being.

Frequency

Slightly higher frequency in US media related to fitness and wellness culture.

Grammar

How to Use “endorphin” in a Sentence

Exercise releases endorphins.Endorphins are produced by...to get an endorphin rush from...

Vocabulary

Collocations

strong
release endorphinsendorphin rushnatural endorphinsendorphin levels
medium
boost endorphinsfeel-good endorphinsendorphin releasetrigger endorphins
weak
flood of endorphinsendorphin effectendorphin activityproduce endorphins

Examples

Examples of “endorphin” in a Sentence

verb

British English

  • This workout will really endorphin-boost you.

American English

  • She's looking to endorphin-charge with a quick sprint.

adjective

British English

  • He was chasing that endorphin rush after his marathon.

American English

  • They market it as an endorphin-releasing activity.

Usage

Meaning in Context

Business

Rare; potentially in corporate wellness contexts: 'Team-building activities are meant to release endorphins and reduce stress.'

Academic

Common in neuroscience, psychology, physiology: 'The study measured plasma β-endorphin concentrations post-exercise.'

Everyday

Common in conversation about exercise, mood, chocolate: 'I need to go for a run to get some endorphins.'

Technical

Specific in medicine/pharmacology: 'Endorphins bind to the opioid receptors in the brain.'

Vocabulary

Synonyms of “endorphin”

Strong

endogenous opioidneuropeptide

Neutral

feel-good chemicalnatural painkiller

Weak

mood boosterhappy hormone

Vocabulary

Antonyms of “endorphin”

stress hormone (e.g., cortisol)pain signal

Watch out

Common Mistakes When Using “endorphin”

  • Using 'endorphin' as a countable singular in everyday contexts (e.g., 'I got an endorphin' is odd).
  • Misspelling as 'endorfin' or 'endorphine'.
  • Confusing with 'dopamine' or 'serotonin'.

FAQ

Frequently Asked Questions

No. They are different neurotransmitters. Endorphins primarily relieve pain and induce pleasure. Dopamine is more associated with reward, motivation, and movement.

While you cannot get addicted to the chemical itself, people can become psychologically reliant on activities that trigger endorphin release, like exercise (leading to 'exercise dependence').

Studies suggest certain compounds in chocolate may promote endorphin release, but the primary mood effects are more linked to other factors like taste, sugar, and sentimental associations.

Because the term often refers to the collective group or general effect of these peptides (e.g., beta-endorphin). The singular is used in specific scientific contexts to name a single type.

A type of hormone produced in the brain and nervous system that acts as a natural painkiller and creates feelings of pleasure or well-being.

Endorphin is usually semi-technical; common in popular science, fitness, wellness, and general media. in register.

Endorphin: in British English it is pronounced /ɛnˈdɔːfɪn/, and in American English it is pronounced /ɛnˈdɔːrfɪn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • Runner's high (specifically caused by endorphins)
  • Get your endorphins pumping

Learning

Memory Aids

Mnemonic

Think: ENDure + mORPHINE = ENDORPHIN. It's your body's internal ('endo') morphine to help you endure pain and feel good.

Conceptual Metaphor

BODY'S NATURAL DRUG / INTERNAL REWARD SYSTEM / HAPPINESS CHEMICAL

Practice

Quiz

Fill in the gap
Many people report feeling euphoric after a long run, a phenomenon often attributed to the release of .
Multiple Choice

What is the primary physiological function of endorphins?