Power Thesaurus for Safari
300M+ Synonyms by Community
Only for Mac
Free
Mac
Enhance your writing with the Power Thesaurus extension from PowerThesaurus.org — a comprehensive, fast, and user-friendly thesaurus trusted by millions.
Discover accurate synonyms, antonyms, and definitions instantly while writing, editing, browsing, or studying online.
Key Features
• Instant Toolbar Search: Quickly find synonyms, antonyms, and definitions with one-click copy.
• On-page Results: Select any word on a page to instantly see synonyms and definitions. Ideal for editing directly in emails, documents, and text fields.
• Context Menu Shortcut: Access the full resources of PowerThesaurus.org by right-clicking any word on any page.
PRO Membership Benefits
• Enjoy infinite scrolling for seamless browsing of extensive language resources.
• Customize your search experience with lists that prioritize the terms you use most.
• Use exclusive filtering options to refine results by part of speech.
Configurable settings
• Quick Toggle: Easily enable or disable on-page tools using the toolbar icon for distraction-free writing.
• Flexible On-page Tools: Enable, disable, and customize how on-page results appear, including smart popup placement.
• Themes: Choose between system, dark, or light themes.
Support & Feedback
• Love Power Thesaurus? Please rate us and leave a review! Your feedback helps us improve Power Thesaurus.
• Issues or suggestions? Please reach out to us at safari@powerthesaurus.org.
Privacy Note
This extension processes only your search queries and account login data to provide synonyms, antonyms, definitions, and subscription features. It does not collect or share your personal browsing history.
Write with confidence using Power Thesaurus!
- This app hasn’t received enough ratings or reviews to display an overview.
1. Now you can quickly correct a selected word or phrase using the corrections we suggest, or hear how it’s pronounced.
2. The old large tooltip on long press has been replaced with a blue hoverable dot. Hover over it to reveal a compact tooltip with Search, Define, and Pronounce actions.
3. We’ve also fixed several minor bugs.
The developer, Radyushin Pty Ltd, 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
- Radyushin Pty Ltd
- Size
- 851 KB
- Category
- Reference
- Compatibility
Requires macOS 11.5 or later.
- Mac
Requires macOS 11.5 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Power Thesaurus