Fussy sense is quite elusive. It refers to someone who is vitally meticulous and judgmental. A persnickety individual often be fastidious and does not settle for less when it comes to expectations and perfection. Their meticulousness can be regarded as praiseworthy, but it can also magnify extreme criticism and avoidable dissatisfaction. Being persnickety is typically related to meticulous attention to detail but can also be seen as a manifestation of pedantry.