Synonyms of the word 
ROOTBOUND → PLANTED - POTBOUND - TANGLED
rootbound
- adj. (of a pot plant) Having outgrown its pot, so that the roots are cramped and tangled.
planted
- v. simple past tense and past participle of plant.
potbound
- adj. Alternative form of pot-bound.
tangled
- v. simple past tense and past participle of tangle.
If you are interested in words, visit the following sites :
- wiktionary.org/rootbound For complete definition of a word
- 1word.ws/rootbound to play with words, suffixs, prefixs, etc.