adrenalin: meaning, definition, pronunciation and examples
B2Neutral; common in both general and technical contexts.
Quick answer
What does “adrenalin” mean?
A hormone and neurotransmitter produced by the adrenal glands that increases heart rate, blood pressure, and energy in response to stress or excitement.
Audio
Pronunciation
Definition
Meaning and Definition
A hormone and neurotransmitter produced by the adrenal glands that increases heart rate, blood pressure, and energy in response to stress or excitement.
A feeling of intense excitement, energy, or exhilaration, often caused by a thrilling or dangerous situation.
Dialectal Variation
British vs American Usage
Differences
In British English, 'adrenalin' (uncapitalised) is the common term for both the hormone and the feeling. In American English, the medical term is typically the proprietary 'Adrenaline' (capitalised) or 'epinephrine', though 'adrenaline' (uncapitalised) is also used for the feeling.
Connotations
Identical in both varieties for the figurative sense of excitement.
Frequency
Slightly more common in British English for the literal biochemical reference; the figurative use is equally frequent.
Grammar
How to Use “adrenalin” in a Sentence
[Subject] felt a surge of adrenalin[Subject] gave [Object] an adrenalin rushThe adrenalin [Verb: e.g., kicked in, flowed, pumped]Vocabulary
Collocations
Examples
Examples of “adrenalin” in a Sentence
verb
British English
- (Rare as verb) The news really adrenalined the crowd.
American English
- (Rare as verb) He adrenalined himself up before the race.
adverb
British English
- (No standard adverbial form)
American English
- (No standard adverbial form)
adjective
British English
- The film was a non-stop, adrenalin-fuelled chase.
American English
- She thrives on that adrenaline-pumping lifestyle.
Usage
Meaning in Context
Business
Rare, except metaphorically: 'The deal gave the whole team an adrenalin rush.'
Academic
Common in biological, medical, and sports science contexts discussing stress response.
Everyday
Very common for describing feelings during or after exciting/scary events (sports, films, deadlines).
Technical
Precise term in endocrinology and emergency medicine (often 'epinephrine' in US medical protocols).
Vocabulary
Synonyms of “adrenalin”
Vocabulary
Antonyms of “adrenalin”
Watch out
Common Mistakes When Using “adrenalin”
- Misspelling: 'adrenaline' vs. 'adrenalin' (both accepted, but 'adrenalin' is the original/UK standard).
- Using it as a countable noun: *'I had three adrenalins' (incorrect). Use 'surges' or 'rushes'.
FAQ
Frequently Asked Questions
Both are accepted. 'Adrenalin' is the original UK spelling. 'Adrenaline' is common, especially in the US and for the trademark.
Not directly. You can say someone is 'full of adrenalin' or is an 'adrenalin junkie', but 'he is very adrenalin' is incorrect.
They refer to the same hormone. 'Epinephrine' is the official International Nonproprietary Name and preferred in American medical contexts. 'Adrenalin' is the original/British/common name.
No. While often linked to excitement, it's a stress response. It can accompany fear, anxiety, or anger just as much as thrill.
A hormone and neurotransmitter produced by the adrenal glands that increases heart rate, blood pressure, and energy in response to stress or excitement.
Adrenalin is usually neutral; common in both general and technical contexts. in register.
Adrenalin: in British English it is pronounced /əˈdrɛnəlɪn/, and in American English it is pronounced /əˈdrɛnəlɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “adrenalin junkie (person who seeks thrilling activities)”
- “get your adrenalin pumping”
Learning
Memory Aids
Mnemonic
Think of a DREssed NAtive LINing up for a bungee jump – he feels ADRENALIN.
Conceptual Metaphor
ADRENALIN IS A LIQUID/FUEL (surge, flow, pump, rush).
Practice
Quiz
In American medical terminology, the substance 'adrenalin' is more formally known as: