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aid - definition and synonyms


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verb formal aid pronunciation in American English /eɪd/
Word Forms
present tense
present participleaiding
past tenseaided
past participleaided
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  1. 1
    [transitive] to make it easier for someone to do something

    A list of technical terms is included here to aid the reader.

    aid someone in something:

    He was aided in his research by the fact that Coleridge had kept very detailed records.

  2. 2
    [intransitive/transitive] to help something to happen more easily or with fewer problems

    Gentle exercise aids the circulation of blood around the body.

    aid in:

    Vitamin C aids in the absorption of iron.

  3. 3
    [transitive] economics to give money, food, or other help to a country or organization that needs it

    They appealed for more money to aid the homeless.



to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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