Synonymicon: Offline Thesaurus
Synonym & Antonym Dictionary
Only for Mac
$0.99
Also Included In
Mac
Instant synonyms, antonyms system-wide on your Mac. Highlight any word, lightweight pop-up via macOS Services. 100% offline thesaurus with one-click copy. No subscription
Find the right word instantly with Synonymicon, your intelligent, offline synonym, antonym, and thesaurus companion!
Highlight any word in any editable field in Safari, Pages, Word, Notes and more, which triggers a lightweight pop-up via macOS Services for instant alternatives without leaving your document. Fully offline, private and built for serious writers.
Two Powerful Modes:
• Pop-Up Service Mode: Enable “Look Up in Synonymicon” in your Mac’s Services menu. Get instant synonyms and antonyms system-wide.
• Full App Mode: Deep dictionary with meanings, related words and one-click copy.
Built for Serious Writers:
Avoid repetition and echo words, expand vocabulary variety, and polish your texts effortlessly. The perfect desktop companion to "Writing Aid: Readability Tool" for full-chapter and novel analysis.
Key Features:
- System-wide macOS Services integration
- 100% offline, no internet required
- Strict privacy-first design, zero tracking, zero data collection
- Instant one-click copy to clipboard
- Rich definitions, meanings & related words
- Lightweight, fast & distraction-free
No clutter. No subscription paywalls. Just focused, powerful word exploration for authors, bloggers, students, professionals and everyone who cares about great writing.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Added a search button next to the input field. "Enter"/"Return" to search still works as before
- Fixed a small bug that could cause issues during extended fully-offline use.
The developer, Oliver Zimmermann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Oliver Zimmermann
- Size
- 14 MB
- Category
- Productivity
- Compatibility
Requires macOS 15.5 or later.
- Mac
Requires macOS 15.5 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Power Plins
