Adjective rootbound has 2 senses
  1. potbound, rootbound - of a potted plant; grown too large for its container resulting in matting or tangling of the roots
    Antonym: unplanted (indirect, via planted)
  2. rootbound - having the roots matted or densely tangled; "shaggy untended lawns of old trees and rootbound scented flowers and shrubs"- William Faulkner
    Antonym:
    untangled (indirect, via tangled)
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