Finick is a peculiar word to describe someone who is overly fussy or particular about the details. It is a trait that is often seen as a flaw in personality, but it can also be a mark of excellence. However, there are a number of synonyms for finick. Some more formal synonyms include meticulous, precise, and fastidious. Other words that come close to finick are nitpicky, choosy, and picky. Perfectionists may appreciate the terms exacting and punctilious, while those who tend to be overly demanding may find the term high-maintenance to be more accurate. Ultimately, while there are many synonyms for finick, it is the individual's attitude towards details that truly defines them.