Meaning & use
adrenaline
Last updated
A hormone released by the body in response to stress or excitement that increases heart rate and energy.
See it in a sentence
A surge of adrenaline helped her sprint the last hundred meters.
Skydiving gives people an intense adrenaline rush.
A note on using this word
Adrenaline is the everyday term; 'epinephrine' is the more formal, medical name for the same hormone.
Words with a similar meaning
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