Particular meaning is reasonably hard to grasp. It refers to someone who is exceptionally particular and fault-finding. A persnickety individual often nitpick and sets the bar high when it comes to standards and perfection. Their meticulousness can be regarded as praiseworthy, but it can also intensify unwarranted disapproval and avoidable dissatisfaction. Being persnickety is often related to precise focus on specifics but can also be seen as a form of obsessiveness.

Persnicketiness definition of persnicketiness by The Free