Reference
Power Thesaurus for Safari
在 Safari 页面选词查询同义词、反义词和释义的英语写作辅助扩展。
适合边浏览边修改英文用词的人
工具栏搜索、页内结果和右键入口减少查词时的页面切换。
Keep in mind: 需要联网；无限滚动、自定义优先词与部分词性过滤属于 PRO，建议仍需按上下文判断。
Inside the app
Official product images
What you can do
- 工具栏同反义词搜索
- 选词弹出释义及右键查询
- 页内工具开关、主题和 PRO 过滤
Good for
- 经常在网页中写英文的人
Consider alternatives for
- 需要完全离线词典或自动保证语义正确的人
Limitations & considerations
- Captured minimum: macOS 11.5.
- 需要联网；无限滚动、自定义优先词与部分词性过滤属于 PRO，建议仍需按上下文判断。
Privacy & permissions
商店称处理查询和登录资料且不收集浏览历史；扩展的站点访问权限应只对需要的网页开放。
Sources & review notes Updated Nov 15, 2026
Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.
- US App Store developer description
Complete description, release notes, download price and compatibility metadata captured 2026-11-02.
- Official developer disclosure
Full cached official product text read; dated capture 1794598985.3548968. Other platform, paid-tier and historical security scope distinguished where applicable.
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