Persnickety meaning is fairly hard to grasp. It refers to someone who is immensely particular and judgmental. A persnickety individual frequently be meticulous and has high standards when it comes to standards and excellence. Their fastidious nature can be perceived as commendable, but it can also magnify overly demanding criticism and unnecessary dissatisfaction. Being persnickety is commonly related to detailed attention to detail but can also be seen as a form of perfectionism.