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.
Source: wiktionary
Completionist
Synonyms for "completionist"
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7 total sentences available.
Visiting the site was part of a completionist project engaged by many Johnny Cash fans, who wanted to see all the places associated with him, but for some, it was enough to glimpse it without leaving the car.
Source: wiktionary
When I asked him about what drives our completionist mindset, he said, "I think, as humans, we're obsessed with categorization and patterns. We see them everywhere, and we get a lot of pleasure from 'completing' things, whether it's a set of to-dos for the day or a larger project. […]"
Source: wiktionary
If you are a Halo completionist and need to experience every moment of the Halo story, you have no choice.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.