rootbound

definition: having the roots matted or densely tangled
example: shaggy untended lawns of old trees and rootbound scented flowers and shrubs- William Faulkner
speech part: adjective
synonyms:
definition: (of a potted plant) grown too large for its container resulting in matting or tangling of the roots
example:
speech part: adjective
synonyms: potbound

How rootbound is being used?