Persnickety sense is reasonably hard to grasp. It refers to someone who is extremely particular and disapproving. A persnickety individual usually nitpick and sets the bar high when it comes to criteria and excellence. Their meticulousness can be viewed as laudable, but it can also intensify unwarranted criticism and unjustified
dissatisfaction. Being persnickety is often linked to thorough focus on specifics but can also be seen as a type of obsessiveness.
Persnickety definition and meaning