Persnickety sense is quite difficult to understand. It refers to someone who is exceptionally particular and nitpicking. A persnickety individual typically be fastidious and does not settle for less when it comes to criteria and flawlessness. Their meticulousness can be seen as admirable, but it can also lead to extreme criticism and avoidable dissatisfaction. Being persnickety is often related to exact attention to detail but can also be seen as a form of pedantry.