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.

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

“I think the adrenaline takes over a little bit,” said downhill racer Kajsa Vickhoff Lie of Norway.

From Los Angeles Times • Feb. 13, 2026

With his life slipping away, they tried adrenaline shots as a "kind of final roll of the dice," says Patrick.

From BBC • Feb. 11, 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

I hadn’t slept much, but I was alert and pumped full of adrenaline.

From "Red Kayak" by Priscilla Cummings