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Definitions

adrenaline

[uh-dren-l-in, -een] / əˈdrɛn l ɪn, -ˌin /
NOUN
state of excitement
Synonyms
STRONGEST
epinephrine
STRONG
WEAK
Antonyms
STRONGEST
WEAK


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When the body needs fuel between meals or during fasting, hormones such as adrenaline trigger the release of that stored energy.

From Science Daily • May 8, 2026

When energy levels drop, hormones like adrenaline activate HSL, triggering the release of fat that can be used by organs throughout the body.

From Science Daily • Apr. 30, 2026

Katy administered an adrenaline pen and Molly was taken to hospital where she later recovered, but Katy said the fear had never left her.

From BBC • Apr. 23, 2026

The actress plays an outdoors-loving adrenaline junkie harassed by a group of hunters in director Baltasar Kormákur’s spectacular, unsettling film.

From The Wall Street Journal • Apr. 23, 2026

It’s the expression people wear when they’re about to deliver bad news, and my adrenaline rises in anticipation.

From "Water for Elephants" by Sara Gruen



Vocabulary lists containing adrenaline