fastidious(adjective) giving and careful attention to detail; hard to please; excessively concerned with cleanliness; "a fastidious and incisive intellect"; "fastidious about personal cleanliness"
(adjective) having complicated nutritional requirements; especially growing only in special artificial cultures; "fastidious microorganisms"; "certain highly specialized xerophytes are extremely exacting in their requirements"
Source:
WordNet 2.0 Copyright 2003 by Princeton University. All rights reserved.
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