from the ground up

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Idioms and Phrases

From the very beginning; also, completely, thoroughly. For example, We've had to learn a new system from the ground up , or The company changed all of the forms from the ground up . This expression alludes to the construction of a house, which begins with the foundation.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

from the cradle to the grave from the horse's mouth

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