adrenalin
/əˈdrɛnəlɪn/
noun
- A hormone produced by the adrenal glands that prepares the body for quick action in stressful or exciting situations; also used as a medicine.
- Extreme sports give him an adrenalin rush.
- Adrenalin makes your heart beat faster when you are scared.
- The doctor gave her an adrenalin shot for a severe allergic reaction.
Synonyms