All 5 Uses of

fastidious
in
The Count of Monte Cristo

The count appeared, dressed with the greatest simplicity, but the most fastidious dandy could have found nothing to cavil at in his toilet.†
Chpt 39-40

And, indeed, it required but one glance at Mademoiselle Danglars to comprehend the justness of Morcerf's remark—she was beautiful, but her beauty was of too marked and decided a character to please a fastidious taste; her hair was raven black, but its natural waves seemed somewhat rebellious; her eyes, of the same color as her hair, were surmounted by well-arched brows, whose great defect, however, consisted in an almost habitual frown, while her whole physiognomy wore that expression of firmness and decision so little in accordance with the gentler attributes of her sex—her nose was precisely what a sculptor would have chosen for a chiselled Juno.†
Chpt 53-54

As regarded her attainments, the only fault to be found with them was the same that a fastidious connoisseur might have found with her beauty, that they were somewhat too erudite and masculine for so young a person.†
Chpt 53-54

"You are fastidious, Chateau-Renaud," replied Debray; "those clothes are well cut and quite new."†
Chpt 61-62

It was evident, from her figure and the perfumes she had about her, that she was young and fastidious in her tastes, but that was all.
Chpt 85-86 *

fastidious = concerned with matters of good taste

Definition:

giving careful attention to detail

or:

excessively concerned with cleanliness or matters of taste