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require - definition and synonyms

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

    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

    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 rainbow produced when water droplets in the air reflect light from the moon rather than the sun

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