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noun C1 Advanced Uncommon

adrenaline

uh-DREH-nuh-lihn

Adrenaline (noun) means a hormone released in response to stress or excitement that speeds up the heart and boosts energy. Example: “Her heart raced as adrenaline kicked in before the race.”

noun
1
A hormone released in response to stress or excitement that speeds up the heart and boosts energy.
"Her heart raced as adrenaline kicked in before the race."
"The rescue took a huge adrenaline rush."
2
A feeling of excitement or thrill.
"Skydivers chase the adrenaline of free fall."
"The crowd was buzzing with adrenaline before kickoff."

How to use adrenaline

Learner’s notes

In plain EnglishThe "fight or flight" hormone, or more casually, the rush of excitement it causes.

Easily confused with
Common pairings
adrenaline rush pumped with adrenaline adrenaline junkie

Word forms

adrenalines plural

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Her heart raced as _____ kicked in before the race.

Etymology

Coined in 1901 by the Japanese chemist Jokichi Takamine from adrenal + -ine.

Origin: Japanese · First attested 1901

Class of 1901 adrenaline joined the language around 1901.
See the full Class of 1901 →
epinephrine Adrenalin epinephrin

Related words

Rhymes for adrenaline

See all rhymes for adrenaline →

Frequently asked questions

What does “adrenaline” mean?

The word “adrenaline” means a hormone released in response to stress or excitement that speeds up the heart and boosts energy. In plain terms, the "fight or flight" hormone, or more casually, the rush of excitement it causes.

How do you pronounce “adrenaline”?

“Adrenaline” is pronounced uh-DREH-nuh-lihn (/əˈdɹɛnəlɪn/ in IPA).

How do you use “adrenaline” in a sentence?

Here is “adrenaline” used in a sentence: “Her heart raced as adrenaline kicked in before the race.”

What part of speech is “adrenaline”?

“Adrenaline” is a noun.

Where does the word “adrenaline” come from?

The word “adrenaline” dates back to around 1901 and comes from Japanese. Coined in 1901 by the Japanese chemist Jokichi Takamine from adrenal + -ine.

Is “adrenaline” a common word?

“Adrenaline” is an uncommon word in modern English, usually learned at around the C1 level.

How many meanings does “adrenaline” have?

“Adrenaline” has 2 distinct senses listed in this dictionary. The most common is: a hormone released in response to stress or excitement that speeds up the heart and boosts energy.

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