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Synonyms

excitability

American  
[ik-sahy-tuh-bil-i-tee] / ɪkˌsaɪ təˈbɪl ɪ ti /

noun

  1. the quality of being excitable.

  2. Physiology. irritability.


Other Word Forms


Etymology

Origin of excitability

First recorded in 1780–90; excitable + -ity


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.

See Examples For:

Researchers looked at problem behaviour such as a fear of traffic or loud noises, separation-related issues or excitability.

From BBC ● Mar. 18, 2026

That is a version of neurodivergence over excitability, high-achieving, profound subtle awareness and attunement.

From Los Angeles Times ● Oct. 15, 2025

Cortical excitability is a vital part of brain function.

From Science Daily ● Nov. 27, 2024

With this pacing protocol, the team was able to effectively control and terminate cardiac arrhythmias even at low energy intensities that do not activate the heart, but only modulate its excitability.

From Science Daily ● Apr. 23, 2024

“My assessment,” the doctor writes, “is that he will be able to recover in a short time, while retaining the extreme excitability that must form the essence of his character.”

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman

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