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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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noun [countable] complex pronunciation in British English /ˈkɒmpleks/
Word Forms
  1. 1
    a group of buildings together, or a building that has several parts
    The hotel has a superb leisure complex.
    Synonyms and related words
  2. 2
    an emotional problem caused by unreasonable fears or worries
    have/develop a complex about something: I used to have a complex about being in crowds.
    give someone a complex: If you keep telling her she’s clumsy, you’ll give her a complex.
  3. 3
    formal a large number of things together, especially when they are difficult or confusing
    complex of: the complex of delicate wiring


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

BuzzWord Article

Open Dictionary

red market

the buying and selling of human organs

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