Persnickety Definition Meaning MerriamWebsterFussy importance is somewhat elusive. It refers to someone who is exceedingly picky and judgmental. A persnickety individual usually nitpick and has high standards when it comes to standards and flawlessness. Their meticulousness can be regarded as praiseworthy, but it can also lead to extreme disapproval and unnecessary dissatisfaction. Being persnickety is typically associated with exact focus on specifics but can also be seen as a manifestation of perfectionism.