fastidious -
giving careful attention to detail; hard to please; excessively concerned with cleanliness; "a fastidious and incisive intellect"; "fastidious about personal cleanliness"
unfastidious marked by an absence of due or proper care or attention to detail; not concerned with cleanliness; "unfastidious in her dress"
refined (used of persons and their behavior) cultivated and genteel; "she was delicate and refined and unused to hardship"; "refined people with refined taste"
tidy marked by order and cleanliness in appearance or habits; "a tidy person"; "a tidy house"; "a tidy mind"
finical,
finicky,
picky,
fussy,
particular exacting especially about details; "a finicky eater"; "fussy about clothes"; "very particular about how her food was prepared"
meticulous marked by extreme care in treatment of details; "a meticulous craftsman"; "almost worryingly meticulous in his business formalities"
pernickety,
persnickety characterized by excessive precision and attention to trivial details; "a persnickety job"; "a persnickety school teacher"
fastidious -
having complicated nutritional requirements; especially growing only in special artificial cultures; "fastidious microorganisms"; "certain highly specialized xerophytes are extremely exacting in their requirements"