- a person who attempts to complete a collection or set, especially a collector who wants to collect an example of every item in a particular field: This recording is a must for obsessive Sinatra completists.I'd only recommend this movie to Hepburn completists.
- completionist(def 1).
Origin of completist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a person who collects objects or memorabilia obsessivelyardent John Wayne completists