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Particular significance is quite elusive. It refers to
someone who is vitally meticulous and fault-finding. A persnickety individual frequently nitpick and sets the bar high when it comes to quality and perfection. Their meticulousness can be regarded as praiseworthy, but it can also lead to overly demanding censure and avoidable dissatisfaction. Being persnickety is frequently associated with precise attention to detail but can also be seen as a type of obsessiveness.
persnickety EnglishFrench Dictionary WordReferencecom