Completist
Pronunciation: /ˈkɑmpˈɫəˈtiˈseɪnt/
Completist (noun)
- a person who wants to collect every item in a series or category.
Examples
- The completist bought every edition of the book.
- As a completist, she needed every album by the band.
Common collocations: completist collector, completist approach, completist mindset