Definition, Meaning & Synonyms

adrenalin

noun
/əˈdrɛn.ə.lɪn/
Definition
A hormone released from the adrenal glands, often in response to stress, which increases heart rate, blood flow, and energy production.
Examples
  • During the intense competition, her adrenalin surged, pushing her to perform at her best.
  • He felt a rush of adrenalin as he jumped from the plane.
Meaning
Adrenalin is primarily known for its role in the body’s fight-or-flight response, preparing the body to take action in stressful situations.
Synonyms
  • epinephrine
  • adrenaline
  • stress hormone