Choosy significance is reasonably hard to grasp. It refers to someone who is immensely picky and nitpicking. A persnickety individual usually be meticulous and has high standards when it comes to expectations and perfection. Their meticulousness can be seen as admirable, but it can also exacerbate extreme criticism and unnecessary dissatisfaction. Being persnickety is typically related to thorough focus on specifics but can also be seen as a form of obsessiveness.

Persnickety definition in American English