Look up English vocabulary and grammar right in a dictionary.

Dunno is your indispensable English dictionary. It's simple, complete, and helps you look up quickly. An offline English dictionary helps you look up everywhere.

Superior lookup features:

- Offline dictionary English meaning.
- Look up English grammar in use by level A1, A2, B1, B2, C1, C2.
- Search autocomplete – displays predictions as you type.
- Easy lookup words by voice and image.
- Understand the full meaning of words, examples, and illustrations.
- Suggestions for Word type, Synonyms, antonyms, related words.
- Audio pronunciations: Distinguish how to read British English and American English.

In particular, Dunno can translate English into 89 other languages accurately
►Translate English Spanish
►Translate English French
►Translate English Chinese
►Translate English Japanese
►Translate English Korean

More than just a free English dictionary, Dunno is also a useful English learning and vocabulary mnemonic tool.

- Easily add vocabulary to Notebook and learn English grammar.
- Learn Japanese vocabularies by flashcard
- Statistics on the number of words, sentences, and grammar learned.
- Keep track of how many words you've memorized.
- Smart English vocabulary notebook: with 3000 Toeic words, Toefl, IELTS, SAT.
- English learning community.

Dictionary of English Dunno’s data:

- 350,000 English to English words.
- 127 English grammars by level A1, A2, B1, B2, C1, C2.
- 418,000 illustrative examples and photos.

Dunno has helped more than 80% of users learn English better every day. Let Dunno help you!
In particular, you can use the Online version of the Dunno English English Dictionary at http://dunno.ai.

WE LOVE YOUR FEEDBACKS
Do not hesitate to send your suggestions to Dunno via Email: eup.mobi@gmail.com. Thanks!