Here is List of websites that can help you to improve your vocabulary skill with an easy and efficient way.
Picture dictionaries:
1. LANGUAGEGUIDE.ORG – Foreign Language Vocabulary, Grammar, and Readings
2. LEARNINGCHOCOLATE.COM – Aims to help students and children to memorize English vocabulary in an easy and efficient way, by using image, pronunciation and game. Free and Fun!
3. LEARNENGLISH.DE – Learn English Free Online – Helping people to learn British English since 1999. For the love of English.
Picture dictionaries:
1. LANGUAGEGUIDE.ORG – Foreign Language Vocabulary, Grammar, and Readings
2. LEARNINGCHOCOLATE.COM – Aims to help students and children to memorize English vocabulary in an easy and efficient way, by using image, pronunciation and game. Free and Fun!
3. LEARNENGLISH.DE – Learn English Free Online – Helping people to learn British English since 1999. For the love of English.
Additional Sources
1. OXFORDDICTIONARIES.COM – Free online english dictionary from Oxford Dictionaries. Translate from English to Spanish, French, Italian, and German with bilingual dictionaries.
2. LDOCEONLINE.COM – Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.
3. DICTIONARY.CAMBRIDGE.ORG – The most popular dictionary and thesaurus for learners of English. Definitions and meanings of words with pronunciations and translations.
4. THEFREEDICTIONARY.COM – Online Dictionary – Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access.