This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Possessing or displaying careful, meticulous attention to detail.

adj. Difficult to please; exacting.

adj. Excessively scrupulous or sensitive, especially in matters of taste or propriety. See Synonyms at meticulous.

adj. Microbiology Having complicated nutritional requirements.

adj. Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness.

adj. Difficult to please; quick to find fault.

adj. Difficult to please; delicate to a fault; suited with difficulty; squeamish

1. Such as to cause disgust or loathing; loathsome.

Hard or difficult to please; squeamish; over-nice in selecting or discriminating; difficult to suit: as, a fastidious mind or taste.

Synonyms Nice, Dainty, etc. See nice.

adj. having complicated nutritional requirements; especially growing only in special artificial cultures

adj. giving careful attention to detail; hard to please; excessively concerned with cleanliness

"He stopped to wait for the prisoners to pass, his expression fastidious and filled with contempt."

choosy    fussy    nice    particular    persnickety    old-maidish    finical    overnice    meticulous    prissy   

negligent    gross   

precious   

overnice    critical    punctilious    difficult    squeamish    particular    nice    dainty    delicate    exquisite   

hideous    insidious    invidious   

scrupulous    aristocratic    refine    cautious    haughty    thoughtful    sensitive    conscientious    timid    well-bred