Definition of FASTIDIOUS

fastidious

Adjective

  • giving careful attention to detail; hard to please; excessively concerned with cleanliness
    • "a fastidious and incisive intellect"
    • "fastidious about personal cleanliness"
  • having complicated nutritional requirements; especially growing only in special artificial cultures
    • "fastidious microorganisms"

Adj

  • Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness.
  • Overly concerned about tidiness and cleanliness.
  • Difficult to please; quick to find fault.
  • Having precise requirements for nutrition and environment (chemical and physical); especially, being difficult to culture because of those requirements.

Examples

  • fastidious organism
  • fastidious species

Origin / Etymology

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

Scrabble Score: 14

fastidious: valid Scrabble (US) TWL Word
fastidious: valid Scrabble Word in Merriam-Webster MW Dictionary
fastidious: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

fastidious: valid Words With Friends Word