1. completist - Noun
2. completist - Adjective
completist (plural completists)
A collector who strives to obtain a complete collection of some type of thing, especially a fan who aims to own or consume the complete output of a particular author, publisher, musician or band.
completist (comparative more completist, superlative most completist)
Which attempts to collect something completely.
completist (plural completists)
A person who champions any philosophy which focuses on the completeness of something; as, a completist philosopher who holds that a definite complete body of knowledge exists to be discovered
completist
(obsolete) Alternative spelling of completest