Persnickety definition is somewhat tricky to comprehend. It refers to someone who is vitally picky and nitpicking. A persnickety individual frequently pay strict attention to detail and sets the bar high when it comes to quality and excellence. Their attention to detail can be viewed as laudable, but it can also lead to unwarranted criticism and superfluous dissatisfaction. Being persnickety is often linked to precise attention to detail but can also be seen as a form of pedantry.