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View synonyms for adrenaline

adrenaline

[ uh-dren-l-in, -een ]

noun

  1. Biochemistry. epinephrine ( def 1 ).
  2. the feeling of excitement, alertness, and intensity caused by the release of epinephrine in the body:

    For adventure seekers, there are ungroomed, off-piste routes with deep snow offering lots and lots of adrenaline.



adrenaline

/ əˈdrɛnəlɪn /

noun

  1. a hormone that is secreted by the adrenal medulla in response to stress and increases heart rate, pulse rate, and blood pressure, and raises the blood levels of glucose and lipids. It is extracted from animals or synthesized for such medical uses as the treatment of asthma. Chemical name: aminohydroxyphenylpropionic acid; formula: C 9 H 13 NO 3 US nameepinephrine


adrenaline

/ ə-drĕnə-lĭn /

adrenaline

  1. A hormone secreted by the adrenal glands that helps the body meet physical or emotional stress ( see endocrine system ).


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Notes

Figuratively, the term adrenaline is used in speaking of a high state of excitement: “When the race began, the adrenaline really started pumping.”
Adrenaline plays a very large role in the fight or flight reaction , which refers to the various processes that occur within the body when it is confronted with some form of mental or physical stress .

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Word History and Origins

Origin of adrenaline1

First recorded in 1900–05; adrenal + -ine 1

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Compare Meanings

How does adrenaline compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

We do need that feeing of getting excited, that little bit of adrenaline.

From Time

His father convinced him to play football instead to release his adrenaline.

Unlike most winter sports, snowshoeing offers little adrenaline or obvious climaxes.

A sudden surge of hormones, like adrenaline, blasts through your body and begins a cascade of changes that prepare you for danger.

You’ve probably noticed that when you’re under pressure and your adrenaline levels skyrocket, you don’t want to think about a bunch of unlikely alternatives to what you are trying to do.

The Islamic State was closing in on the media center, she said, still trembling from a mix of adrenaline and fear.

After about five minutes his pulse disappeared, and despite a few more doses of adrenaline, it never returned.

Above all else, it is clear that ISIS is an adrenaline addict.

For Red Bull, who built their brand selling an adrenaline-fueled lifestyle, that's the whole appeal.

At the end of the adrenaline-packed scene, they both end up getting away.

In the latter class are included such drugs as hydrastine and adrenaline.

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Related Words

  • epinephrine

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Adrenalinadrenaline rush