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fastidious

[fa-stid-ee-uh s, fuh-]
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adjective
  1. excessively particular, critical, or demanding; hard to please: a fastidious eater.
  2. requiring or characterized by excessive care or delicacy; painstaking.
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Origin of fastidious

1375–1425; late Middle English < Latin fastīdiōsus squeamish, equivalent to fastīdi(um) lack of appetite, disgust, perhaps by syncope of *fastutīdium (fastu-, combining form of fastus pride, conceit + -tīdium combining form of taedium tedium) + -ōsus -ous
Related formsfas·tid·i·ous·ly, adverbfas·tid·i·ous·ness, nounhy·per·fas·tid·i·ous, adjectivehy·per·fas·tid·i·ous·ly, adverbhy·per·fas·tid·i·ous·ness, nounnon·fas·tid·i·ous, adjectivenon·fas·tid·i·ous·ly, adverbnon·fas·tid·i·ous·ness, nouno·ver·fas·tid·i·ous, adjectiveo·ver·fas·tid·i·ous·ly, adverbo·ver·fas·tid·i·ous·ness, nounul·tra·fas·tid·i·ous, adjectiveul·tra·fas·tid·i·ous·ly, adverbul·tra·fas·tid·i·ous·ness, nounun·fas·tid·i·ous, adjectiveun·fas·tid·i·ous·ly, adverbun·fas·tid·i·ous·ness, noun

Synonym study

1. See particular.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fastidiously

Contemporary Examples

Historical Examples

  • There are great emergencies in which we do not fastidiously choose our words.

    A Handful of Stars

    Frank W. Boreham

  • “It will indeed, for they must be very nicely done,” said Peggy fastidiously.

    About Peggy Saville

    Mrs. G. de Horne Vaizey

  • The Samoan had always been fastidiously cautious in guarding cash.

    A Son Of The Sun

    Jack London

  • Fastidious as he was in all things, he was fastidiously deferential.

  • Still he must not be fastidiously critical about his friend.

    Wyndham's Pal

    Harold Bindloss


British Dictionary definitions for fastidiously

fastidious

adjective
  1. very critical; hard to please
  2. excessively particular about details
  3. exceedingly delicate; easily disgusted
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Derived Formsfastidiously, adverbfastidiousness, noun

Word Origin

C15: from Latin fastīdiōsus scornful, from fastīdium loathing, from fastus pride + taedium weariness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fastidiously

fastidious

adj.

mid-15c., "full of pride," from Latin fastidiosus "disdainful, squeamish, exacting," from fastidium "loathing, squeamishness," most likely from *fastu-taidiom, a compound of fastus "contempt, arrogance" and taedium "aversion, disgust." Early use in English was both in passive and active senses. Meaning "squeamish, over-nice" emerged in English 1610s. Related: Fastidiously; fastidiousness.

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Online Etymology Dictionary, © 2010 Douglas Harper

fastidiously in Medicine

fastidious

(fă-stĭdē-əs, fə-)
adj.
  1. Possessing or displaying careful, meticulous attention to detail.
  2. Difficult to please; exacting.
  3. Having complex nutritional requirements. Used of microorganisms.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.