Pernickety Definition Meaning MerriamWebsterChoosy importance is somewhat hard to grasp. It refers to someone who is vitally choosy and nitpicking. A persnickety individual usually pay strict attention to detail and has high standards when it comes to standards and flawlessness. Their attention to detail can be viewed as laudable, but it can also lead to unreasonable disapproval and superfluous dissatisfaction. Being persnickety is typically linked to thorough attention to detail but can also be seen as a form of pedantry.