Fussy definition is fairly hard to grasp. It refers to someone who is exceptionally meticulous and nitpicking. A persnickety individual often nitpick and sets the bar high when it comes to expectations and excellence. Their fastidious nature
can be regarded as praiseworthy, but it can also intensify unwarranted criticism and avoidable dissatisfaction. Being persnickety is typically related to meticulous attention to detail but can also be seen as a manifestation of pedantry.