Particular meaning is somewhat tricky to comprehend. It refers to someone who is vitally meticulous and fault-finding. A persnickety individual typically be fastidious and has high standards when it comes to standards and perfection. Their fastidious nature can be viewed as laudable, but it can also lead to extreme criticism and superfluous dissatisfaction. Being persnickety is regularly associated with meticulous focus
on specifics but can also be seen as a form of perfectionism.