adrenaline
noun
Note: Adrenaline is used in both technical and nontechnical contexts. It is commonly used in describing the physiological symptoms (such as increased heart rate and respiration) that occur as part of the body's fight-or-flight response to stress, as when someone is in a dangerous, frightening, or highly competitive situation, as well as the feelings of heightened energy, excitement, strength, and alertness associated with those symptoms. In figurative use, it suggests a drug that provides something with a jolt of useful energy and stimulation.
W. P. KinsellaLance ArmstrongTown and CountryExamples of adrenaline in a Sentence
Deborah Vankin, Los Angeles Times, 2 June 2025
The show came back with a vengeance the following season, moving its production from Borneo to the Australian Outback and replicating the intense gameplay, sense of adventure and pure adrenaline of its predecessor.
—Nick Caruso, TVLine, 27 May 2025
With its mix of adrenaline, speed, and high probability of bruising your nether regions, BMX would seem a natural fit.
—Chris Haslam, Wired News, 23 May 2025
Any adrenaline built from hurtling your truck around is sucked into a void.
—Joshua Lamb, Forbes.com, 20 May 2025
See All Example Sentences for adrenaline
Cite this Entry
“Adrenaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adrenaline. Accessed 7 Jun. 2025.
Copy CitationKids Definition
adrenaline
noun
Medical Definition
adrenaline
noun
Share