Did you know?

Click any word in a definition or example to find the entry for that word


 - definition

What are red words?

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.



The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

verb [transitive] require pronunciation in British English /rɪˈkwaɪə(r)/ 
Word Forms
present tense
present participlerequiring
past tenserequired
past participlerequired
  1. 1
    to need someone or something

    Working with these children requires a great deal of patience.

    a medical condition requiring urgent treatment

    The cause of the accident is still unclear and requires further investigation.

  2. 2
    if a rule, law, contract etc requires something, you must do that thing

    Car insurance is required by law in most countries.

    No previous knowledge of Arabic is required for admission to the university.

    require someone to do something:

    The agreement requires all parties to renounce the use of violence.

    be required to do something:

    The amount that patients are required to pay has been raised.

    required reading:

    His poems are now required reading on most literature courses.


a paid holiday given to a new employee before they start their job

BuzzWord Article

Open Dictionary

selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog