All of our explanations, examples, and special features are based on our constantly updated 4.5-billion-word database of today?s English language, the Collins Corpus, which means that you can trust Collins COBUILD to help you speak and write accurate and up-to-date English.

COBUILD promotes learning through Definitions PLUS:
-Full-sentence definitions use the most common context in which target words are found in real life
-Grammatical patterns shown in context help the learner to use English accurately and naturally
-Natural English examples from the Collins Corpus show the user words as they appear in everyday English