Fastidious

Tuesday, October 7, 2025
Word of the Day

What is Fastidious?

adjective
Very attentive to and concerned about accuracy and detail; hard to please.

Pronunciation

US pronunciation: /fæˈstɪd.i.əs/
UK pronunciation: /fæˈstɪd.i.əs/
Slow pronunciation: fa-STID-ee-us

Meaning Explained

Fastidious implies meticulous standards — admirable precision that can tip into fussy exactitude.

Why This Word?

Chosen to honor craftsmanship and the art of careful revision.

Examples of Use

Here's how this word appears in everyday language:

  • He is fastidious about lab protocols.
  • A fastidious chef inspects every plate.
  • The curator’s fastidious eye shaped the exhibition.

Word Origins

Latin fastidiosus “disdainful, squeamish,” from fastidium “loathing”

Sense shifted from disdain to demanding meticulousness.

First appearance in English: 16th century

Word Family

Related forms of this word:

  • Adjective: meticulous

    Her meticulous notes impressed the panel.

  • Noun: precision

    Precision is prized in surgery.

  • Adjective: scrupulous

    He is scrupulous about conflict-of-interest rules.

Around the World

How this word appears in other languages:

  • Spanish: meticuloso / quisquilloso
  • French: méticuleux / tatillon
  • German: pingelig / akribisch
  • Italian: meticoloso / pignolo
  • Portuguese: meticuloso / esmerado

If you Already Know This Word

If you've mastered this word, try these more advanced alternatives:

Meticulous

Neutral precision; “fastidious” can imply fussiness.

Punctilious

Obsessive about rules and formality.

Exacting

Demands high standards; not necessarily picky.

Fun Facts

  • In microbiology, “fastidious organisms” require special growth conditions.
  • Style guides warn against fastidious over-editing that removes voice.

Cultural Usage

  • Fastidious experimental design reduces bias.
  • Fastidious restoration preserves original detail.

Common Mistakes

Often confused with “meticulous”; “fastidious” can suggest pickiness.

Micro Story

Her fastidious editing elevated the manuscript to brilliance.