CDAE provides definitions for about 40,000 words and is compiled to offer what learners need most in a dictionary:

• Easy access - the ability to find what they are looking for quickly and easily
• Clear definitions - explanations that can be immediately understood
• Plenty of examples - sentences taken from speech and writing show how words are used
• Current vocabulary - words and phrases that are used in school, business, technology, the arts, and everyday life in the 21st century

Key Features:

• Based on a 200 million-word corpus of American English that shows which words and phrases are really used in current American English, and what people really mean when they say or write those words
• Organized by meaning to help learners use English effectively
• Guidewords to help you quickly find the exact meaning you are looking for
• A 2,000-word defining vocabulary to help make definitions easy to understand
• Authentic, full-sentence examples to show how words are typically used and to help learners understand and use English more accurately
• Language Portraits to provide in-depth explanations of difficult grammar, vocabulary, spelling, and punctuation
• More than 40,000 definitions of frequently used words and phrases from business, school, technology, the arts, and everyday life