I searched for "misclassify" in Dictionary.app and it couldn't find anything. I Googled it, and Google gave the a nice definition in the first result, from Merriam-Webster.

Is it possible to add Merriam-Webster to Mac's Dictionary app?

  • If you add a uk english dictionary to the checked items in dictiionary.app preferences you should get an entry for that word. Feb 14 at 21:38
  • Voted for this question to be reopened because the supposed duplicate has only a link-only poor quality answer.
    – Alper
    Feb 15 at 4:04
  • @Alper This doesn't make it less of a duplicate. It might be an incentive to improve said answer though :-)
    – nohillside
    Feb 15 at 7:01
  • One is about adding an Old English dictionary and the other is about adding Merriam Webster. They sound like different questions to me.
    – Daniel
    Feb 16 at 16:41
  • Yes, I'd read the Old English question before posting this and think it's a different question. This question is not about whether it's possible to add custom dictionaries to Dictionary.app, it's about adding Merriam-Webster in particular. Feb 17 at 21:35

1 Answer 1


Apple's Dictionary app uses data in its own special format. It is possible to create dictionary files using Xcode; and there are scripts to convert other dictionary formats into Apple's own data type.

So, possible: yes. However, I don't think anyone has done it. MW have their own app on the App Store. It's possible that they have restrict access to their data.

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