fastidious

adj 1: giving and careful attention to detail; hard to please;

excessively concerned with cleanliness; "a fastidious

and incisive intellect"; "fastidious about personal

cleanliness" [ant: {unfastidious}]

2: (microbiology) having complicated nutritional requirements;

especially growing only in special artificial cultures;

"fastidious microorganisms"; "certain highly specialized

xerophytes are extremely exacting in their requirements"

[syn: {exacting}] [ant: {unfastidious}]