Sekirov Dictionary

reinvent the wheel

/ˌɹiːɪnˌvɛnt ðə ˈ(h)wiːl/

verb1

•
To do work unnecessarily when it has already been done satisfactorily by others; to attempt to devise a solution to a problem when a solution already exists.
- The trading of information so that people need not reinvent the wheel. — 1987

forms

reinvented the wheel · reinventing the wheel · reinvents the wheel

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