Pernickety Definition Meaning Synonyms Persnickety definition is reasonably elusive. It refers to someone who is exceedingly picky
and disapproving. A persnickety individual tends to be fastidious and does not settle for less when it comes to quality and perfection. Their meticulousness can be regarded as praiseworthy, but it can also lead to extreme disapproval and superfluous dissatisfaction. Being persnickety is frequently associated with detailed focus on specifics but can also be seen as a form of perfectionism.