Using dictionaries is part and parcel of everyday work of a language learner. Thus, it is paramount to know the best platforms that can assist you in the process. So, here is a list of 10 top online dictionaries that will undoubtedly come in handy. English-English 2. https://www.macmillandictionary.com/dictionary/ - It shows the frequency of English words. There are also word frequency activities and wordlists. In addition to it, it offers an open dictionary with crowd-sourced words. 3. https://www.merriam-webster.com/ - an excellent American platform that defines words, provides tons of material for language lovers. One of my favourite! 4. https://www.oxfordlearnersdictionaries.com/ - a great platform to define words in both British and American English 5. https://dictionary.cambridge.org/ru/ - this dictionary can be used both as monolingual and bilingual ( English-English or English-Russian). 8. https://www.urbandictionary.com/ - this website can help you find the meaning of slang an