over·​arous·​al ˌō-vər-ə-ˈrau̇-zəl How to pronounce overarousal (audio)
: excessive arousal
Anger-prone individuals are readily aroused and reactive, suggesting overarousal of the autonomic nervous system.Richard J. Davidson
: the state of being excessively aroused
This workshop presentation provides practical consideration of the scope and nature of Attention Deficit Disorder, which is characterized by children's impulsivity, emotional overarousal and other behaviors.Irene Wood
Being tantalizingly close to an unexpected victory can cause what sports psychologists call overarousal. The body produces excess adrenaline while restricting blood flow, tightening the muscles and depleting fine-motor skills.Newsweek

Word History

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of overarousal was in 1957

Dictionary Entries Near overarousal

Cite this Entry

“Overarousal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overarousal. Accessed 21 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!