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effective

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adjective effective pronunciation in British English /ɪˈfektɪv/

Related dictionary definitions

  1. 1
    someone or something that is effective works well and produces the result that was intended

    You need more effective communication within the organization.

    Humour is often far more effective than shouting.

    The troops should be deployed where they will be most effective.

    effective against:

    The new vaccine is highly effective against all strains of the disease.

    effective way/method/means:

    This is a very effective way of controlling pests and weeds.

  2. 2
    formal when a law or agreement becomes effective, it officially begins to be used
    effective from:

    Government ministers reached a 30-month agreement, effective from 1 July.

derived word

effectiveness

 effective pronunciation in British English  noun [uncountable]

Open Dictionary

chicken raffle

any random process, such as a competition in which a name is drawn from a hat

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