|1.||[ adjective ] giving and careful attention to detail; hard to please; excessively concerned with cleanliness|
"a fastidious and incisive intellect" "fastidious about personal cleanliness"
|Related terms:||unfastidious finical choosy dainty pernickety meticulous old-maidish meticulous refined tidy|
|2.||[ adjective ] (microbiology) having complicated nutritional requirements; especially growing only in special artificial cultures|
"fastidious microorganisms" "certain highly specialized xerophytes are extremely exacting in their requirements"
|Related terms:||unfastidious microbiology|