Oxford Learner's Dictionaries | Find definitions ...
https://www.oxfordlearnersdictionaries.comThe largest and most trusted free online dictionary for learners of British and American English with definitions, pictures, example sentences, synonyms, antonyms, word origins, audio pronunciation, and more. Look up the meanings of words, abbreviations, phrases, and idioms in our free English Dictionary.
Online OXFORD Collocation Dictionary of English
https://www.freecollocation.comA completely new type of dictionary with word collocation that helps students and advanced learners effectively study, write and speak natural-sounding English . This online dictionary is very helpful for the education of the IELTS, TOEFL test. Level: Upper-Intermediate to Advanced Key features of oxford dictionary online