(biochemistry) epinephrine, the hormone and neurotransmitter. / Excitement; thrills.

plural of adrenaline

Under adrenaline.

Alternative spelling of adrenaline

plural of adrenalin

A surge of strength and energy brought on by a dangerous situation, by, or as if by, adrenaline. / (figuratively, idiomatic) An event or activity which causes such a state.

plural of adrenaline rush

(informal) One who is seemingly addicted to the sensation of exhilaration associated with risky behaviors or exciting situations, and who actively seeks such opportunities.

plural of adrenaline junkie

extreme sport