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Van Dale Names 'Hallucineren' 2025 Word of the Year

The dictionary’s editors made the pick directly, citing social media manipulation of previous contests.

Overview

  • The term gained a new AI-specific sense this year for generative models producing incorrect or fabricated information.
  • Chief editor Ton den Boon says the choice reflects how AI tools such as ChatGPT and Gemini have permeated daily life.
  • Although not a new word, its AI meaning became common in 2025 as generative applications entered wider use.
  • Editors note broader linguistic shifts driven by AI, including new compounds and new uses for existing verbs like training language models.
  • The selection continues Van Dale’s annual tradition dating to 2007, following recent winners such as polarisatie (2024) and graaiflatie (2023).