Particular meaning is somewhat elusive. It refers to someone who is immensely choosy and judgmental. A persnickety individual often nitpick and has high standards when it comes to quality and flawlessness. Their meticulousness can be viewed as laudable, but it can also magnify excessive censure and unnecessary dissatisfaction. Being persnickety is often linked to precise attention to detail but can also be seen as a type of pedantry.
Persnickety definition and meaning