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reinvent the wheel

Definition of reinvent the wheel in English:

Waste a great deal of time or effort in creating something that already exists: he spoke with the fervour of discovery, unaware that he was reinventing the wheel
More example sentences
  • Will others squander valuable time reinventing the wheel because existing data never saw the light of day?
  • I have dedicated myself to learning from other people's experiences so that I do not waste time trying to reinvent the wheel.
  • ‘We don't try to reinvent the wheel and create new online resources,’ says Jacka.
See parent entry: reinvent

Definition of reinvent the wheel in:

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Pronunciation: ˈɛmjʊləs
adjective
seeking to emulate someone or something