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hyperfastidious

adjective

hy·​per·​fas·​tid·​i·​ous ˌhī-pər-fa-ˈsti-dē-əs How to pronounce hyperfastidious (audio)
-fə-
variants or hyper-fastidious
Synonyms of hyperfastidiousnext
: extremely or excessively fastidious
hyperfastidious professors
a hyper-fastidious perfectionist

Word History

First Known Use

1836, in the meaning defined above

Time Traveler
The first known use of hyperfastidious was in 1836

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Cite this Entry

“Hyperfastidious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperfastidious. Accessed 7 Dec. 2025.

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