Persnickety definition and meaning Persnickety definition is somewhat hard to grasp. It refers to someone who is
immensely particular and nitpicking. A persnickety individual frequently pay strict attention to detail and does not settle for less when it comes to quality and excellence. Their fastidious nature can be perceived as commendable, but it can also lead to excessive censure and superfluous dissatisfaction. Being persnickety is often connected with meticulous focus on specifics but can also be seen as a form of obsessiveness.