A smart, custom dictionary designed to help you master English words on your own terms. Save what you need, study what matters. No sign-ups, no subscriptions, and 100% private.
100% FREE & PRIVATE
No accounts or hidden fees. Your dictionary lives entirely on your device. We do not collect, track, or use your data. You own your data. You can wipe your entire dictionary and all app settings instantly from within the app’s settings menu.
AI-POWERED ENGINE
Instantly generates translations and dictionary entries offline. Note: To ensure 100% privacy, the app relies on on-device translation (Google ML Kit) and a static database enriched by Meta Llama 3.
DISCLAIMER: This tool is provided "AS IS" and "AS AVAILABLE." We disclaim all warranties, express or implied, including but not limited to the implied warranties of merchantability or fitness for a particular purpose. Use at your own risk.
Powered by Google • Built with Llama
JOIN THE MISSION
This tool was built to make English learning accessible to everyone, for free. If you are a developer who believes in this mission and would like to volunteer to help expand and improve the app's open-source future, we would love to connect with you at info@uccenglish.com.
Open Source Data Access
This dictionary is built on the shoulders of open-source linguistic projects and AI technologies. In compliance with the MIT, GNU GPL v3.0, and Meta Llama 3 Community licenses, our raw database and legal attributions are freely available.
Access Database & Licenses →
Academic Standards: Vocabulary frequency and grading filters are cross-referenced with standard CEFR benchmarks (Oxford 5000). Linguistic frequency sorting powered by the Zipf-scale distribution model.
Google ML Kit On-Device Translation: Credit: Google LLC. Licensed under the Google ML Kit Terms of Service.
Microsoft Phi-3: Developed by Microsoft. Licensed under the MIT License.
Meta Llama 3.2: Used for metadata generation (POS, Synonyms, Antonyms) and definition repair. https://llama.meta.com — Llama 3.2 Community License.
Ollama: Local inference engine used to process the dictionary database. https://ollama.com
AI Processing: Enhanced using Meta Llama 3.2 via Ollama for academic accuracy. All processing performed locally/offline (Privacy Guard).
Licensing: Enhanced metadata provided subject to the Llama 3.2 Community License Agreement.
Ollama: Copyright © Ollama (MIT). Llama 3: Copyright © Meta Platforms, Inc. OpenAI: API corrections. Wiktionary: CC BY-SA 3.0. CC-CEDICT: CC BY-SA. SQLite: Public Domain. Tatoeba: CC BY 2.0 FR.
Frontend & UI: Fonts: Inter (OFL), Space Grotesk (OFL), and Gentium Plus (OFL). See https://scripts.sil.org/OFL. Icons by Lucide (https://lucide.dev) – ISC License. Radix UI (MIT License) and other React components (MIT License).