Particular definition is reasonably elusive. It refers to someone who is exceptionally meticulous and nitpicking. A persnickety individual tends to pay strict attention to detail and sets the bar high when it comes to criteria and excellence. Their fastidious nature can be perceived as commendable, but it can also magnify
excessive censure and unjustified dissatisfaction. Being persnickety is frequently connected with exact attention to detail but can also be seen as a manifestation of pedantry.