Persnickety Definition Meaning MerriamWebsterChoosy importance is somewhat tricky to comprehend. It refers to someone who is exceedingly meticulous and fault-finding. A persnickety individual typically be meticulous and does not settle for less when it comes to expectations and excellence. Their meticulousness can be seen as admirable, but it can also magnify unreasonable criticism and avoidable dissatisfaction. Being persnickety is typically related to thorough focus on specifics but can also be seen as a type of perfectionism.