Persnickety sense is reasonably difficult to understand. It refers to someone who is exceedingly meticulous and fault-finding. A persnickety individual typically be meticulous and does not settle for less when it comes to expectations and perfection. Their meticulousness can be perceived as commendable, but it can also intensify unreasonable censure and superfluous dissatisfaction. Being persnickety is typically related to meticulous attention to detail but can also be seen as a manifestation of pedantry.