Particular meaning is rather hard to grasp. It refers to someone who is extremely choosy and judgmental. A persnickety individual frequently be fastidious and sets the bar high when it comes to standards and flawlessness. Their fastidious nature can be viewed as laudable, but it can also lead to excessive censure and superfluous dissatisfaction. Being persnickety is regularly associated with detailed focus on specifics but can also be seen as a type of obsessiveness.