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

She said that, as her adrenaline was pumping, she didn’t fear for her personal safety, “though in retrospect, maybe I should have.”

From Los Angeles Times • Feb. 25, 2026

It delivers a shot of adrenaline, while a snakebite pen could inject heparin.

From BBC • Feb. 7, 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

But she feels strong and good, and being in an actual big city is a shot of adrenaline.

From "A Heart in a Body in the World" by Deb Caletti