Total, thorough, sweeping, complete, radical, drastic.

Totally, completely.

Alternative form of root and branch

plural of choy root

Alternative form of chay root

plural of chay root

The root of Oldenlandia umbellata, native to India, which yields a durable red dyestuff.

plural of root hair

The large tuberous root of a kind of milkweed (Asclepias tuberosa), used as a remedy for pleuritic and other diseases. / The plant itself, which has deep orange-coloured flowers; butterfly weed.

Any of various low plants, mostly parasitic on roots, such as the beechdrops, the squawroot, etc.