take effect


1. begin to be used or produce intended results






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wait for the medicine to take effect

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 'To take effect' means to begin to work or to come into force. You can use this phrase to talk about laws beginning to 'take effect' or begin to be enforced. Medicine or drugs may 'begin to take effect' when they start to produce the effects intended.

Check Icon Social Examples (Basic)

  1. The doctor told me that it would be a couple of hours before the medicine begins to take effect, so I shouldn't expect to start feeling better until then. 
  2. The government released a statement warning the public that the new tax laws will start taking effect in January.

Check Icon Professional Examples (Basic)

  1. A ban on this chemical takes effect from the beginning of March so we need to use up our remaining supplies.
  2. If the new procedures are introduced we must be prepared for how it will take effect on production.

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