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Synonyms for fastidious

25 synonyms for “fastidious”, grouped by meaning. Dark green words mean nearly the same thing; light green ones are close in some uses.

Fastidious as in “meticulous”

adjective: giving careful attention to detail; hard to please; excessively concerned with cleanliness

Fastidious as in “exacting”

adjective: having complicated nutritional requirements; especially growing only in special artificial cultures

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