Persnickety definition is quite tricky to comprehend. It refers to someone who is exceptionally particular and fault-finding. A persnickety individual typically pay strict attention to detail and has high standards when it comes to expectations and perfection. Their meticulousness can be viewed as laudable, but it can also lead to excessive criticism and avoidable dissatisfaction. Being persnickety is commonly associated with meticulous focus on specifics but can also be seen as a form of obsessiveness.