Rating: 
Summary: One of a kind Dictionary!
Review: As a learner of English language, this has been a dream dictionary for me. I never thought in my wildest dreams that I'd be able to have my hands on this one of a kind dictionary. This is the best dictionary an ESL can buy and will never be looking back again to other dictionaries! I can bet my house at this claim!
Key Features:
- Example sentences are taken from real resources (magazines, newspapers, transcripts, etc). Too many examples for an each entry.
- Clear definitions.
Each definition is composed of one or two sentences. They are that long. One easly can grasp the meaning of a word without looking at its example sentences.
- Very updated.
You'll find countless phrases, expressions, idioms, slang and phrasal verbs alongside their clear and easy to grasp definitions and examples.
- Frequency of words.
Each word is rated by its frequency of usage by native spakers. Most frequent word starts from rating (*****) to the least one(*). This feature will demonstrate to English learners that which word is more important to learn or which is not. A very helpful option.
- Each entry is defined by its nature like slang, informal, offensive, rude, very rude, medical, spoken, technical, written..etc. This feature will demonstrate how one can or can't use the word in certain situations.
- This is basically an advanced dictionary. It'll be very helpful for those learners who have already cleared their high intermediate level and can read and understand simple English definitions and example sentences.
In short, It's like a book. You can read the whole dictionary for fun, won't be tired!!
Rating: 
Summary: COLLINS ENGLISH DICTIONARY
Review: Does not meet expectations. Bad quality and wrong definitions. Authors obviously lacking elementary knowledge. Not worth wasting time and money.
Rating:
Summary: This is My Bible!
Review: For English learners like me, this is kind of a bible. When I don't get a meaning of a word, it doesn't just rephrase like other dictionaries. This dictionary explains the meaning in a sentence. This is like a home teacher!
Rating:
Summary: THROW AWAY OTHERS
Review: Great dictionary ! It explains in an incredibly simple way even the most complex words! Buy it and you will not regret it. Feel free to throw away your other dictionaries.
Rating:
Summary: Very good dictionary for learners
Review: I agree with most previous reviews that this is an excellent dictionary. However, its coverage of American English could be better. Its fourth edition will come out pretty soon and hopefully it will do better in this regard.
Rating:
Summary: The best
Review: I have been using the dictionary since it first came out. The best dictionary ever.
Rating:
Summary: Fundamental ESL tool
Review: I have used the COBUILD dictionary since its first edition appeared. It marked a milestone in the production of dictionaries: now all publishinng houses are trying to build extensive language databases. However, the COBUILD dictionary has proved best of all, not only for the examples quoted but also for the definitions given. Only one weakness: they shouldn't have rejected so many words from the first edition.
Rating:
Summary: learn English through example sentences
Review: I learned English for many years and I used more than eight English-English dictionaries.When I saw the Collins COBUILD English dictionary in a bookstore, I was very excited. I had been using English-English dictionaries for years and I had formed some expectations. This dictionary immediately impressed me as the best one so far. The best by far. I knew that I had been waiting for this dictionary for many years. You can use this dictionary when you don't understand a word. You will learn its meaning through seeing this word used in sentences. The sentences use the word as it is used naturally by native speakers. The sentences are not artificial. They are real sentences. You can use this dictionary to learn how to use a word in your own sentences. You can follow the example sentences which already use this word correctly. The dictionary is full of example sentences. Even the definitions are written in the form of whole sentences. Reading correct English sentences is the most important thing for learning English. When you use this dictionary, you read many sentences in English. Therefore this dictionary is a good tool for learning English.
Rating:
Summary: A superb dicionary.
Review: I'm using this dictionary to help language students and it's excellent. The definitions are wonderfully clear, and the examples helpful. The lay-out is uncluttered and easy to use; I find myself reading through this dictionary just for pleasure! I'd give it 6 stars if I could.
Rating:
Summary: The best dictionary you can get
Review: I've used this dictionary myself ever since I bought it several years ago, and have always suggested it to my students. They have all found it very useful. Simply the best you can get; the definitions are all taken from original sources, but they are still easy to understand; it gives a lot of very important information about each word - I could go on ... Get it!
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