Fastidious meaning

fă-stĭdē-əs, fə-
Difficult to please; exacting.
adjective
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2
Not easy to please; overly exacting or discriminating.
adjective
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1
Showing or acting with careful attention to detail.

A fastidious scholar; fastidious research.

adjective
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2
Excessively scrupulous or sensitive, as in taste, propriety, or neatness.
adjective
4
2
(microbiology) Having complex nutritional requirements.
adjective
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Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness.
adjective
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adjective
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The definition of fastidious is a very careful attention to detail, or an uptight or hyper-critical person.

An example of fastidious is a guest looking for dust on surfaces in another's home.

adjective
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(microbiology) Having complex nutritional requirements.
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2
Refined in a dainty or oversensitive way.
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2
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Origin of fastidious

  • Middle English squeamish, particular, haughty from Old French fastidieux from Latin fastīdiōsus from fastīdium squeamishness, haughtiness probably from fastus disdain

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin fastidiosus (“passive: that feels disgust, disdainful, scornful, fastidious; active: that causes disgust, disgusting, loathsome”), from fastidium (“a loathing, aversion, disgust, niceness of taste, daintiness, etc.”), perhaps for *fastutidium, from fastus (“disdain, haughtiness, arrogance, disgust”) + taedium (“disgust”). Confer French fastidieux.

    From Wiktionary