fas·tid·i·ous (fă-stĭdē-əs, fə-)
1. Showing or acting with careful attention to detail: a fastidious scholar; fastidious research.
2. Difficult to please; exacting: "The club is also becoming far more fastidious about what constitutes a breed standard" (Janet Burroway).
3. Excessively scrupulous or sensitive, as in taste, propriety, or neatness: "He was a fastidious man who hated to dirty his hands, in particular with food" (Michael Chabon). See Synonyms at meticulous.
4. Microbiology Having complex nutritional requirements.
[Middle English, squeamish, particular, haughty, from Old French fastidieux, from Latin fastīdiōsus, from fastīdium, squeamishness, haughtiness, probably from fastus, disdain.]
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Indo-European & Semitic Roots Appendices
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