What is persnickety meaning?

The word "persnickety" describes someone who is excessively particular or fastidious, often to the point of being fussy or demanding. It can refer to someone who is hard to please or who has high standards for everything, including food, clothing, relationships, or work. The word can also be used to describe a situation or object that is excessively complex or difficult to deal with. It is a relatively informal, colloquial term and is often used humorously to poke fun at someone's fussiness.