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Persnickety
definition is somewhat hard to grasp.
It refers to someone who is exceptionally picky and fault-finding. A persnickety individual typically nitpick and sets the bar high when it comes to quality and perfection. Their fastidious nature can be perceived as commendable, but it can also lead to overly demanding censure and unjustified dissatisfaction. Being persnickety is typically linked to meticulous focus
on specifics but can also be seen as a type of obsessiveness.