adrenaline
/əˈdrɛnəlɪn/
noun
- A hormone produced by the adrenal glands that increases heart rate and energy, preparing the body for a fight-or-flight response; also used as a medication.
- The paramedic administered adrenaline to revive the patient.
- Adrenaline surges through your body when you are in danger.
- She felt a rush of adrenaline as she crossed the finish line.
Synonyms