Fussy meaning is fairly difficult to understand. It refers to someone who is extremely meticulous and critical. A persnickety individual frequently nitpick and sets the bar high when it comes to standards and perfection. Their meticulousness can be viewed as laudable, but it can also magnify extreme censure and avoidable dissatisfaction. Being persnickety
is typically associated with meticulous focus on specifics but can also be seen
as a form of perfectionism.