5 Free Online English Dictionaries for English Learners/teachers:
1. Longman - a user-friendly online dictionary with detailed meanings for each word.
2. Cambridge - providing you with concise meanings and pronunciation.
3. TheFreeDictionary - the world's most comprehensive dictionary with synonyms, antonyms, idioms, etc.
4. Urban - a dictionary with idiomatic usage for the words.
5. howjsay.com - a talking dictionary of English pronunciation.
