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.

When the adrenaline levels drop, questions will also be raised.

From BBC • Mar. 14, 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

He then will try to get back to sleep to prepare for his long day of football, knowing he will be running on adrenaline deep into the night.

From Los Angeles Times • Feb. 6, 2026

“Of course not. The adrenaline was pumping, and I wanted to get to the nursery.”

From "Silent To The Bone" by E.L. Konigsburg