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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

  • unexcitability noun

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.

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

"Then beyond that there is tone. Messages are conveyed by much more than the words, it is how you say them. So if an AI can convey happiness, excitability or boredom then that all helps."

From BBC • Feb. 7, 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