What is another word for completionist?
Pronunciation: [kəmplˈiːʃənˌɪst] (IPA) 
A completionist is someone who seeks to finish or complete something, often compulsively. Synonyms for completionist might include perfectionist, achiever, or overachiever. Other similar words might include enthusiast, devotee, or fanatic, as a completionist often becomes passionate about finishing the task they set out to do. Similarly, terms such as meticulous, thorough, or diligent could be used to describe someone who is a completionist, for their attention to detail and dedication to seeing things through to the end. At the same time, words like fixated, obsessive, or driven might be used to describe someone with an extreme fixation on completion.
