Persnickety definition is quite hard to grasp. It refers to someone who is extremely particular and critical. A persnickety individual frequently be fastidious and has high standards when it comes to criteria and flawlessness. Their fastidious nature can be regarded as praiseworthy, but it can also exacerbate excessive disapproval and unjustified dissatisfaction. Being persnickety is typically related to exact focus on specifics but can also be seen as a type of pedantry.