As adjectives the difference between grown and undergrown
is that grown is covered by growth; overgrown while undergrown is insufficiently grown; not having grown to a normal or suitable size.
As a verb grown
is .
grown
English
Verb
(head)
Adjective
(
en adjective)
Covered by growth; overgrown.
- What one was a farm was grown with trees.
undergrown
English
Adjective
(-)
insufficiently grown; not having grown to a normal or suitable size.