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The OpenThesaurus German Dictionary Plugin (formerly Thesaurus Deutsch) extends Apple's Dictionary application (Dictionary.app) with a German thesaurus.

  • You can search for every synonym not just the primary word.
  • You can search for parts of a hyphen delimited term or a word which is not located at the beginning of a term (as Dictionary normally does).
  • This is a offline dictionary, so you don't need an Internet connection.
The dictionary content is based on the online dictionary www.openthesaurus.de by Daniel Naber.

See also: more...

What's New

Version 2011.08.04:
  • Fixed a bug with the update message in the footer
  • Updated the dictionary content to the OpenThesaurus database from 2011-08-03 with 64052 entries (last version: 63934).


Mac OS X 10.5 or later

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OpenThesaurus German Dictionary Plugin User Discussion

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Snags40 Member IconReview+3

I strongly dislike the idea that I must enter my user password to install this. Other Dictionary plugins simply have to be moved into the Library>Dictionaries folder so there is no possibility of unlocking my computer for malware .

Reply0 replies
Version 2011.08.04
Polocanada Member IconComment+0

working link:


Reply0 replies
Version 10.02.25
Atalantia Member IconComment+44

If I doubleklick the File OpenThesaurus Deutsch.dictionary the Programm Automator opens. lol no joke!

Reply0 replies
Version 09.07.23
nessuno Member IconComment+80

Big THANK YOU! :-)

Reply0 replies
Version 08.12.19
AEpp Member IconReview+2

Such a great plug-in! Just an add-on to the standard dictionary and not a separate application. Hopefully the GE-EN Dictionary will get an update soon as well.

Just great! Thanks to the developer!

Reply0 replies
Version 08.11.26
sjk Member IconComment+996

Archive appears to be damaged. Archive Utility extracts a .cpgz file. bunzip2 extracts a .dmg with a "trailing garbage after EOF ignored" warning; opening it won't find a filesystem.

Reply3 replies
Version 08.05.15

remove the .bz2 suffix from the downloaded file and the .dmg will mount


That worked -- thanks. I'd only tried removing the .cpgz extension after Archive Utility had extracted that file.

tekl (Developer)

I hope the MacUpdate Admin will add

AddType application/x-apple-diskimage .dmg

to the server configuration or their referer script, as this will fix the problem.

acies Member IconComment+1

I'm sorry to be dense, but I've no idea how to install this. When I download the plugin with Camino, I get a "simple text file."

Is there something wrong?


Reply2 replies
Version 08.03.13
tekl (Developer)

Try to rename it to anything.zip so you can double-click the archive. If Camino want to display the file itself try downloading via the context menu.


I'm sorry to have troubled you. It downloaded perfectly with Safari, if not Camino, and installed just as it should.

Thank you again. It's marvellous.


mnaegler Member IconReview+1

Really good Plugin for Dictionary

Reply0 replies
Version 08.03.13
tekl (Developer) Member IconDev+110
tekl (Developer)

I hope there are no problems anymore as the file is provided as a zip archive now.

Reply0 replies
Version 20080310
tekl (Developer) Member IconDev+110
tekl (Developer)

Sorry for the broken download. It should work now.

Reply1 reply
Version 080310

The latest upload of Thesaurus is still no good. It still makes Safari load a page of code instead of downloading normally. Why not make it a .zip archive?

user icon+49
Version 2011.03.18
> 3 5


Current Version (2011.x)


Downloads 39,753
Version Downloads 3,187
License Free
Date 03 Aug 2011
Platform OS X / PPC 32 / Intel 32
Price Free
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