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.

"Everyone gets together, everyone's racing. It's an adrenaline rush and everyone loves it."

From BBC • Apr. 6, 2026

"I think the adrenaline was pumping a little bit. Then again, I felt like I had it this week. I played really well. Hopefully next week I can try again."

From BBC • Mar. 15, 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 then it's finished "and there's a bit of baby blues afterwards," as she comes down off the adrenaline rush.

From Barron's • Feb. 18, 2026

I worry about the adrenaline ebbing out of my body, leaving me to face the mad thing I have done.

From "The Cruel Prince" by Holly Black