Finicalness is defined as excessive or meticulous attention to detail, often to the point of being fussy or difficult to please. There are several synonyms for this word, including fastidiousness, particularity, fussiness, and finickiness. Other words that can be used to describe someone who is overly concerned with small details include nitpicking, perfectionism, exactitude, and punctiliousness. All of these words indicate a tendency towards excessive caution and a focus on minutiae, often to the detriment of larger goals or concerns. While attention to detail can be important in certain contexts, it's important to balance this trait with a broader perspective to achieve success in any endeavor.