excessively particular, critical, or demanding; hard to please: a fastidious eater. requiring or characterized by excessive care or delicacy; painstaking.

What does fastidiousness mean?

1a : showing or demanding excessive delicacy or care fastidious attention to detail— Robert Evett. b : reflecting a meticulous, sensitive, or demanding attitude fastidious workmanship. c : having high and often capricious standards : difficult to please critics …

Is there such a word as fastidiousness?

a very strong dislike of anything dirty or unpleasant: He was aware of his fastidiousness in his living habits and his health concerns.