root-and-branch

adjective

1. on a large scale or without discrimination; wholesale

   root-and-branch reforms

adverb

1. entirely; completely; utterly

   Brazil needs reform root and branch

Idioms and Phrases

Utterly, completely, as in The company has been transformed root and branch by the new management . Alluding to both the underground and aboveground parts of a tree, this idiom was first recorded in 1640.