adrenaline
noun/əˈdrenəlɪn/
/əˈdrenəlɪn/
(also adrenalin)
(biology epinephrine)
[uncountable]- a substance produced in the body when you are excited, afraid or angry. It makes the heart beat faster and increases your energy and ability to move quickly.
- The excitement at the start of a race can really get the adrenaline flowing.
- an adrenaline rush
- a rush/surge of adrenaline
- A shot of adrenaline was given as an antidote to the wasp sting.
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adrenaline