Demanding sense is reasonably difficult to understand. It refers to someone who is extremely meticulous and fault-finding. A persnickety individual usually be meticulous and does not settle for less when it comes to standards and excellence. Their attention to detail can be perceived as commendable, but it can also lead to extreme censure and unjustified dissatisfaction. Being persnickety is typically associated with exact attention to detail but can also be seen as a form of perfectionism.