adrenaline

[uh-dren-l-in, -een] / əˈdrɛn l ɪn, -ˌin /

NOUN

state of excitement

Synonyms

STRONGEST

epinephrine

STRONG

caffeine morphine

WEAK

anxiety stress

Antonyms

STRONGEST

calm

WEAK

relaxation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Glover, born in 1976 in Pomona, was an adrenaline junkie who dreamed of being everything from a stuntman to a race car driver.

From Los Angeles Times • Mar. 30, 2026

Spare adrenaline auto-injectors must also be stocked by schools for emergencies involving children without a prior allergy diagnosis.

From BBC • Mar. 5, 2026

Several times while training for Ironman triathlons, I’ve crashed my bike and jumped right back up—there was so much adrenaline flowing that I didn’t feel pain in the moment.

From The Wall Street Journal • Mar. 1, 2026

But when it comes to Bitcoin, well-considered investment rationales have a way of taking a back seat to greed, fear, and adrenaline.

From Barron's • Feb. 5, 2026

Maybe he was just scared out of his mind and charged with adrenaline.

From "The House of Hades" by Rick Riordan