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

And this week, being in a place baked in good vibes, should keep the adrenaline flowing.

From Los Angeles Times • Mar. 9, 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

He felt his heart pumping, adrenaline rocking his body.

From "Nine, Ten: A September 11 Story" by Nora Raleigh Baskin