1) Chary 2) Choosey 3) Choosy 4) Conscientious 5) Delicate 6) Donsie 7) Exacting 8) Finical 9) Finicky 10) Fussy 11) Neat 12) Overnice 13) Particular 14) Pernickety 15) Picky 16) Refined 17) Squeamish 18) Tidy 1) Choosey 2) Choosy 3) Dainty 4) Detail-oriented 5) Finical 6) Finicky 7) Fussy 8) Hard to please 9) Meticulous 10) Nice 11) Old-maidish 12) Old-womanish 13) Overnice 14) Particular 15) Pernickety 16) Persnickety 17) Picky 18) Prissy 19) Refined 20) Squeamish 21) Tidy 
• (a.) Difficult to please; delicate to a fault; suited with difficulty; squeamish; as, a fastidious mind or ear; a fastidious appetite.
Having to do with microorganisms which have unusual and/or complex nutritional needs and must be grown on enriched media. ... (09 Oct 1997) ... 
Fas·tid'i·ous adjective [ Latin fastidiosus disdainful, from fastidium loathing, aversion, perhaps from fastus arrogance (of uncertain origin) + taedium loathing. Confer Tedious , Fash .] Difficult to please; delicate to a fault; suited with difficulty; sque...
Type: Term Pronunciation: fas-tid′ē-ŭs Definitions: 1. In bacteriology, having precise nutritional and environmental requirements.
[adj] - (microbiology) having complicated nutritional requirements 2. [adj] - giving and careful attention to detail
adjective having complicated nutritional requirements; especially growing only in special artificial cultures; `fastidious microorganisms`; `certain highly specialized xerophytes are extremely exacting in their requirements` adjective giving careful attention to detail; hard to please; excessively concerned with cleanliness; `a fastidious and incisive intellect`; `fastidious about personal cleanliness`
[SAT terms] giving careful attention to detail[PSAT glossary] giving careful attention to detail