Fussy sense is reasonably elusive. It refers to someone who is exceedingly selective and disapproving. A persnickety individual typically be fastidious and has high standards when it comes to standards and excellence. Their attention to detail can be regarded as praiseworthy, but it can also lead to unreasonable disapproval and unjustified dissatisfaction. Being persnickety is often associated with thorough attention to detail but can also be seen as a type of pedantry.

persnickety EnglishFrench Dictionary WordReferencecom