Definition, Meaning & Synonyms
adrenaline
noun
/əˈdrɛnəlɪn/
Definition
A hormone released from the adrenal glands that increases heart rate and energy levels, especially in response to stress.
Examples
- When she saw the spider, the adrenaline kicked in and she jumped up.
- Many athletes feel a rush of adrenaline before a big game.
- The thrill of skydiving gives you a surge of adrenaline.
Meaning
Adrenaline is often associated with the body’s fight-or-flight response. It prepares you to react quickly in dangerous situations.
Synonyms
- epinephrine
- adrenalin
- excitement
