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fastidious

/faˈstɪdiəs/adjective

Paying extremely close attention to detail and wanting everything to be exactly right.

Example sentences

  • “He is fastidious about labeling every jar in his pantry.”
  • “My fastidious roommate irons even his T-shirts.”

Cuts both ways: it can praise careful standards or complain about fussiness. A fastidious eater is hard to please at the table.

Featured as word of the day on April 18, 2026.

Synonyms for fastidious

Antonyms

  • careless
  • sloppy
  • slapdash

Find it in: Advanced English words, Words to describe a person.

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