(in a video game) a player who attempts to complete every challenge and earn every achievement or trophy: I’m not really a completionist, so I skipped the side missions and focused on the main story quests.
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In our latest update to the dictionary, we added more than a thousand new and modified definitions including gaming words like esports, permadeath and completionist, terms to prepare you for the 2016 elections like slacktivism, and gender-related terms agender, bigender, and gender-fluid. But how do lexicographers (the people who compile and update dictionaries) stay on top of language change? Luckily, we have a number of …
Origin of completionist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019