fastidious: المعنى والتعريفات

Showing or acting with careful attention to detail: a fastidious scholar; fastidious research.

Difficult to please; exacting:"The club is also becoming far more fastidious about what constitutes a breed standard"(Janet Burroway).

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.

Microbiology Having complex nutritional requirements.