1. http://dictionary.cambridge.org/
This is an online electronic dictionary of Cambridge University (UK). It offers English-English, English-American, Spanish-English, French-English dictionaries . The search engine here is very strong and fast, you just need to select the type of dictionary, type the keyword in The search box then clicks LookUp to get results right away. The site also has many English teaching materials for teachers, students and databases for linguists. This is a very reliable document that you should not ignore.
2. https://translate.google.com/
Google is not only a popular search engine, but it is also an online dictionary. Besides the ability to translate words in languages, the most prominent feature of this website is that it can translate strange languages of a website into other languages that you can understand. Due to the careful and detailed construction, the translation structure is very complete and meaningful after being translated very closely to the original meaning. You can translate web pages from Spanish, French, German . into English very easily. The ability to translate on interesting topics and the page also provides you with information on how to use the tool via the link in Search Help.
3. http://tratu.soha.vn/
This is a great address to look up English meanings, with many specialized words such as Mathematics, Information, Electronics, Biology, Medicine, Physics . Each word is explained with an accompanying example to help viewers are easier to understand and visualize. In addition, this online dictionary page also has Vietnamese English, French Vietnamese, Japanese Vietnamese and Vietnamese Vietnamese dictionaries.
4. https://en.oxforddictionaries.com/
You may not be familiar with thick, bulky Oxford dictionaries if you are in the 8x, 9x generation. If you are still attached to those dictionaries, this site will be your address every day when you need to look up the meaning of English words. Of course, this online dictionary does not support Vietnamese, you can only look up English English dictionary only. But talking about accuracy and professionalism, you won't have to worry about using this online dictionary.
5. http://dictionary.reference.com/
This is an online dictionary website that provides the most diverse and rich information online, the number of words is very large, you can choose English-English or English-French, English-Italian dictionary . and vice versa. You don't have to worry if the word you are looking for is a strange word or a technical word, the website is full, acronyms, slang are also here. The interface is intuitive, easy to use and has links to other pages too.
6. https://www.freetranslation.com/
As its name implies, this is a site that translates everything from ordinary languages, paragraphs or a whole website into other languages you want (Italian, Spanish, French, Chinese). .). You can translate texts by typing in the translation box and clicking Free Translation to translate. In addition, you can Chat language conversion, compile specialized software here. Sometimes the translation speed is slow because of too many visitors (the website has millions of visits per day).
7. http://www.wordwebonline.com/
With 230,000 words 'fortune' and verses, this is a relatively voluminous international dictionary, supporting many languages, finding strange words. The site also provides you with a free Word Web dictionary for you to download to view. If you can't find the word, the page will lead you to an encyclopedia dictionary or other dictionary to find. To relax you can join crossword puzzles like Crossword Puzzles, Crossword Maker and download to play.
8. http://dict.laban.vn/
Compass is a free, online English Vietnamese, Vietnamese English and English English dictionary. Simple interface, quite easy to use, rich vocabulary, help you quickly get the meaning of the word you need. In addition to the web version, this dictionary also has a mobile app and an add-on to look right on the browser, quite handy.