159 Synonyms Antonyms of PERSNICKETY MerriamWebsterChoosy meaning is reasonably hard to grasp. It refers to someone who is exceedingly particular and disapproving. A persnickety individual typically nitpick and sets the bar high when it comes to criteria and flawlessness. Their attention to detail can be perceived as commendable, but it can also intensify overly demanding criticism and superfluous dissatisfaction. Being persnickety is frequently linked to thorough attention to detail but can also be seen as a form of obsessiveness.