root-bound

adjective

ˈrüt-ˌbau̇nd 

also ˈru̇t-

variants or root bound or rootbound

: having roots formed into a dense, tangled mass that allows little or no space for further growth

These plants have a natural tendency to become root-bound, with their roots growing in a spiralling mass. This condition can be accelerated by tight, clay-like soils and shallow, frequent waterings which encourage corresponding shallow, lateral rooting.

—Maire Simington

especially, of a potted plant : having roots formed into a dense, tangled mass that encircles the inside of a container and that allows little or no space for further growth : pot-bound

Even if it's root-bound, a plant shouldn't be repotted just as it goes into the dormant season.

—Tovah Martin

If plants are rootbound and dry out fast, repot into larger containers.

—Sunset

Examples of root-bound in a Sentence

Recent Examples on the Web

Check roots and soil regularly to ensure plants aren’t root-bound or drying out too quickly. —Ashley Chalmers, The Spruce, 16 May 2026

If plants are extremely root-bound. —Renee Freemon Mulvihill, Better Homes & Gardens, 29 Apr. 2026

Bright, indirect light; well-draining soil Kalanchoe (Kalanchoe blossfeldiana) is a succulent that tolerates being slightly root-bound. —Madeline Buiano, Martha Stewart, 25 Feb. 2026

Plan to repot it into a slightly larger pot every two to three years as the plant becomes root-bound. —Karen Brewer Grossman, Southern Living, 22 Jan. 2026

Word History

First Known Use

1841, in the meaning defined above

Rhymes for root-bound

• abound
• aground
• around
• astound
• background
• campground
• clothbound
• confound
• earthbound
• eastbound
• expound
• fairground