The 3rd edition of the Collins COBUILD American Learner's Dictionary is packed with features for intermediate-level students who want to build their vocabulary and increase their fluency in English. It is particularly suitable for students who are studying at English-medium schools. The dictionary is ideal for intermediate-level learners of American English. With full-sentence definitions written in simple, natural English, this dictionary is easy to use and understand. The examples, taken from the 4.5-billion-word Collins Corpus, show learners how the words are really used in authentic contexts. This dictionary covers all the essential words, phrases, and idioms that students at this level need to master in order to speak and write effective American English. It also includes a wide range of curriculum terms for students whose first language is not English, but who are studying other subjects at school through the medium of English. A wide range of vocabulary-building features, many of them with full-colour illustrations, encourage students to learn new words and improve their fluency. The dictionary also includes a Visual Thesaurus, which provides alternatives to the 50 most over-used words in English; an Activity Guide, which helps students learn dictionary skills; a Grammar reference which explains key points in English grammar; a Writer's Handbook, which provides guidance on spelling, punctuation, letter-writing and CVs; and a Speaker's Handbook, which includes advice on the best set phrases to use in key situations. The Collins COBUILD American Learner's Dictionary contains invaluable guidance on the English language and is the complete reference tool for learners of English.