overstimulate

verb

over·​stim·​u·​late ˌō-vər-ˈstim-yə-ˌlāt How to pronounce overstimulate (audio)
overstimulated; overstimulating

transitive verb

: to stimulate to an excessive or abnormal degree
The ongoing presence of HIV overstimulates B cells, which are abundant in the lymph nodes, and keeps them in a state of chronic activation.Robert R. Redfield et al.
… a monetary system … that keeps government from overstimulating demand through excessive money creation.George Melloan
see also overstimulated
overstimulation noun
plural overstimulations
In fact, too much stability and routine may bore such a horse—and boredom can be just as stressful as overstimulation. Robert W. Bell, PhD

Examples of overstimulate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Plus, the shorts didn’t dig into my thighs or feel overstimulating either. Olivia Dubyak, PEOPLE, 21 Jan. 2026 Similarly overstimulating is the dash of the BMW M5 Touring. Andrew P. Collins, The Drive, 21 Jan. 2026 Nahmias turned 33 on January 7; and while many other Millennials—the generation of the overwhelmed and overstimulated—would show frustration with the noise, Nahmias laughs it off. José Criales-Unzueta, Vanity Fair, 20 Jan. 2026 This can include feeling irritable, having a low frustration tolerance, feeling easily overstimulated, and having rapid shifts in emotion. Korin Miller, SELF, 20 Jan. 2026 See All Example Sentences for overstimulate

Word History

First Known Use

1801, in the meaning defined above

Time Traveler
The first known use of overstimulate was in 1801

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Cite this Entry

“Overstimulate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overstimulate. Accessed 28 Jan. 2026.

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