completionist: meaning, definition, pronunciation and examples

C1
UK/kəmˈpliːʃ(ə)nɪst/US/kəmˈpliːʃənɪst/

Informal

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Quick answer

What does “completionist” mean?

A person who feels compelled to finish or complete a collection, task, or project, often with meticulous attention to detail.

Audio

Pronunciation

Definition

Meaning and Definition

A person who feels compelled to finish or complete a collection, task, or project, often with meticulous attention to detail.

Particularly common in gaming, referring to a player who aims to achieve 100% of a game's objectives, collect all items, or unlock all achievements. Can extend to any hobbyist who pursues exhaustive completeness in a systematic way.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. The concept is identical. Spelling follows regional norms ('-our' in British English is irrelevant here).

Connotations

Identical connotations in both varieties: hobbyist dedication, sometimes with positive admiration for persistence, sometimes with a hint of obsessive compulsion.

Frequency

Equally low in general corpora. Its frequency is tied directly to the popularity of video game culture, which is significant in both regions. Slightly more established in American English due to the larger gaming industry presence.

Grammar

How to Use “completionist” in a Sentence

[completionist] + [preposition] + [object] (e.g., a completionist about stamps)[adjective] + [completionist] (e.g., a obsessive completionist)[completionist] + [verb] (e.g., completionists strive...)

Vocabulary

Collocations

strong
video gameachievement100%trophygamermentalityrunplaystyle
medium
truededicatedhardcoreobsessivecompulsiveguidelist
weak
moviebookcollectionprojectfangoal

Examples

Examples of “completionist” in a Sentence

adjective

British English

  • His completionist approach meant he spent 200 hours finding every last collectible in the game.
  • She has a very completionist mentality when it comes to her stamp album.

American English

  • That's a very completionist thing to do—who needs all 900 Korok seeds?
  • His completionist playthrough was documented in a 50-part YouTube series.

Usage

Meaning in Context

Business

Rare. Might describe a project manager obsessed with tying up every loose end, but 'meticulous' or 'thorough' are preferred.

Academic

Very rare. Could appear in media studies or game theory papers analysing player behaviour.

Everyday

Low. Understood mainly by younger generations familiar with gaming; would need explanation in general conversation.

Technical

Common in gaming journalism, player forums, game design discussions, and achievement/trophy tracking websites.

Vocabulary

Synonyms of “completionist”

Strong

completist100%ertrophy hunterachievement hunter

Neutral

perfectionistfinisherachiever

Vocabulary

Antonyms of “completionist”

casualdabblersamplernon-finisher

Watch out

Common Mistakes When Using “completionist”

  • Using it as an adjective (e.g., 'He is very completionist') – while understood, the standard adjectival form is 'completionist' used attributively (e.g., 'completionist mindset') or 'completist'.
  • Confusing it with 'perfectionist' – a perfectionist focuses on flawless quality, a completionist on exhaustive quantity and checked boxes.

FAQ

Frequently Asked Questions

Yes, it is a recognized, though informal, word. It is listed in several dictionaries, including Merriam-Webster and Oxford English Dictionary, due to its established use in gaming and hobbyist communities.

They are largely synonymous. 'Completist' is slightly older and was originally used for collectors (e.g., of books or records). 'Completionist' arose specifically from video game culture. In modern usage, especially around gaming, 'completionist' is more common.

Informally, yes, in an attributive position (e.g., 'completionist goals'). However, the dedicated adjective is 'completist'. In formal writing, it's safer to use phrases like 'driven by a completionist mentality'.

It is context-dependent. In gaming, it is often a neutral or positive sign of dedication and mastery. In other areas of life, it can veer into negative connotations of obsession, compulsion, or an inability to prioritise, similar to extreme perfectionism.

A person who feels compelled to finish or complete a collection, task, or project, often with meticulous attention to detail.

Completionist is usually informal in register.

Completionist: in British English it is pronounced /kəmˈpliːʃ(ə)nɪst/, and in American English it is pronounced /kəmˈpliːʃənɪst/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [Have/be] a completionist streak
  • Go full completionist on something

Learning

Memory Aids

Mnemonic

Think of 'complete' + '-ion' (noun) + '-ist' (person who does). A COMPLETIONIST is a person who insists on COMPLETION.

Conceptual Metaphor

LIFE IS A GAME WITH ACHIEVEMENTS / COLLECTING IS A QUEST FOR WHOLENESS.

Practice

Quiz

Fill in the gap
A true wouldn't consider the game finished until they had achieved the platinum trophy.
Multiple Choice

In which context is the word 'completionist' MOST commonly and naturally used?

Practise

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