VocabMaster Lookup – IELTS English-Vietnamese Dictionary

Select text and click the magnifier to look up words, phrases and translate sentences. E-E/E-V, IELTS, CEFR, AI (Gemini).

VocabMaster Lookup is a simple dictionary for the web. Select a word, phrase or sentence, click the magnifier, and get a clear answer without leaving the page. HOW IT WORKS Select some text and click the magnifier button that appears: • A word opens its dictionary entry. • A phrase is looked up and translated. • A sentence is translated between English and Vietnamese. The AI button next to it opens optional writing and reading helpers. Nothing pops up until you click. WHAT YOU GET • Clear definitions, pronunciation with audio, and examples for each meaning • English-only or English + Vietnamese, switch with one click • Synonyms, collocations, idioms, phrasal verbs, word origin and related words • Level labels for learners, plus exam-style example sentences for many words • Links to open the same word on other dictionary websites • A saved-words list you can export as CSV WORKS OFFLINE A compact dictionary is built in, so common words work without internet. When you are online, the full dictionary is used automatically. OPTIONAL AI TOOLS Explain, rewrite, check grammar, summarise or draft a reply. Uses your own Gemini API key (free from Google AI Studio), which stays on this device for four weeks. PRIVACY No tracking or ads. Text is sent to a service only when you click Translate or use an AI tool. See the privacy policy for details and data credits.