Completionist
adj, noun
adj, noun ·Rare ·Advanced level
Definitions
Noun
- 1 A person who practices completionism.
"If you are a Halo completionist and need to experience every moment of the Halo story, you have no choice."
Adjective
- 1 Engaging in completionism.
"M did not have this completionist fetish regarding other matters—he would happily leave a meal uneaten and a book half read—but in matters of travel it was something of a matter of pride."
Example
More examples"M did not have this completionist fetish regarding other matters—he would happily leave a meal uneaten and a book half read—but in matters of travel it was something of a matter of pride."
Etymology
From completion + -ist.
More for "completionist"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.