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About Companion Thesaurus

A complete thesaurus application with over 145,000 headwords -each with Synonyms, Antonyms plus lots of hypernyms. This will fill all your thesaurus needs: ● real-time progressive look-up ● wildcard searches for unknown spellings and quizzes ● Scrolling index overview ● partial and wildcard searches ● Hyperlinks from all entries ● Round-trip links out to supported dictionaries * ● bookmarks with notations ● automatic history ● AI boosted anagram generator ● 3D Touch support ● DarkMode support ● iPhone 18 & iOS27 support ● iPad "Fast App Switching" (Multitasking) ● iPad Pro multi-screen and Drag & Drop ● Support for iPhones, iPads, iPods and macOS ● complete offline use - no internet connection is required _______________________ We recommend this to all users of Enfour's dictionary applications running on UniDict® Engine. This application links to applications running on UniDict® Engine -tap on a headword to invoke a search. Link out to "Companion Thesaurus" just by tapping on any headword. (Cross-application links support 'round-trip' via the "Back" button.) _______________________ Thesaurus data from WordNet® 2.1 from Princeton University's Cognitive Science Laboratory. (the same as "Thesaurus App", "AED" and "WordBook" -only with much more functionality) _______________________ Running on Enfour's acclaimed "UniDict® Engine". Links work with all "Unidict Engine" English dictionary titles _______________________

Ratings & reviews

5.0

11 ratings

5 ★ 100% 4 ★ 0% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 18.0 · Updated October 12, 2026

Updated Siri support and added Apple Intelligence support (eg. offline AI Teacher on devices that support it) Fixed an issue with the Bookmarks menu in iOS27.

App privacy

The developer, Enfour, Inc., reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: User ID

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Location: Coarse Location
  • Identifiers: User ID
  • Diagnostics: Other Diagnostic Data

Used for: Analytics

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