adrenaline

noun

adren·​a·​line ə-ˈdre-nə-lən How to pronounce adrenaline (audio)
: epinephrine

Note: Adrenaline is used in both technical and nontechnical contexts. It is commonly used in describing the physiological symptoms (such as increased heart rate and respiration) that occur as part of the body's fight-or-flight response to stress, as when someone is in a dangerous, frightening, or highly competitive situation, as well as the feelings of heightened energy, excitement, strength, and alertness associated with those symptoms. In figurative use, it suggests a drug that provides something with a jolt of useful energy and stimulation.

He felt a rush of adrenaline as he parachuted from the airplane.
The fans were jubilant, raucous, their adrenaline running high.W. P. Kinsella
My reputation was as a single-day racer; show me the start line and I would win on adrenaline and anger, chopping off my competitors one by one.Lance Armstrong
London's summer antiques scene has been given a massive injection of adrenaline.Town and Country

Examples of adrenaline in a Sentence

Recent Examples on the Web Plus, certain skills she's learned from being a doctor, like knowing how to suppress adrenaline and think quickly in high-pressure situations. Hannah Kirby, Journal Sentinel, 15 May 2024 The next ports are St. Barts and St. Kitts, where cruisers can take it slow with beach time and culinary excursions or get their adrenaline pumping with a zip-lining adventure. Patricia Doherty, Travel + Leisure, 14 May 2024 See all Example Sentences for adrenaline 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'adrenaline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of adrenaline was in 1890

Dictionary Entries Near adrenaline

Cite this Entry

“Adrenaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adrenaline. Accessed 23 May. 2024.

Kids Definition

adrenaline

noun
adren·​a·​line ə-ˈdren-ᵊl-ən How to pronounce adrenaline (audio)

Medical Definition

adrenaline

noun
adren·​a·​line ə-ˈdren-ᵊl-ən How to pronounce adrenaline (audio)
: epinephrine
recognized by the British Pharmaceutical Codex as the preferred name for epinephrine in Great Britain

More from Merriam-Webster on adrenaline

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