Persnickety importance is somewhat hard to grasp. It refers to someone who is vitally choosy and disapproving. A persnickety individual typically nitpick and has high standards when it comes to quality and perfection. Their meticulousness can be seen as admirable, but it can also exacerbate unreasonable disapproval and unjustified dissatisfaction. Being persnickety is often linked to meticulous attention to detail but can also be seen as a manifestation of perfectionism.