adrenaline

a-dren-a-line · noun

imported

Definitions

noun

  1. 1.

    A hormone secreted by the adrenal glands that increases heart rate, blood pressure, and prepares the body for fight or flight response.

  2. 2.

    A feeling of excitement and energy, especially in a dangerous or thrilling situation.

Phrases & expressions

  • •
    adrenaline rush — A sudden burst of energy or excitement.
  • •
    adrenaline junkie — A person who seeks thrilling or dangerous activities.
  • •
    get the adrenaline flowing/pumping — To become excited or energized.

Related words

See also: epinephrine, excitement, hormone, thrill
Synonyms: epinephrine

Etymology

From Latin ad ("near") + renes ("kidneys"), referring to the adrenal glands located near the kidneys. The suffix -ine indicates a chemical compound.