Meanings
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1
noun
A hormone released by the body in moments of stress, fear, or excitement that speeds up the heart and prepares you to act.
When the alarm went off, a rush of adrenaline made his heart pound.
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2
noun
A feeling of intense excitement or thrill.
Some people go bungee jumping just for the adrenaline.
Thesaurus
Etymology
Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad-bor. English ad- Late Latin rēn Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Late Latin -ālis Late Latin rēnālislbor. English renal English adrenal Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English adrenaline From adrenal + -ine, coined by Japanese chemist Takamine Jōkichi in 1901.