From The Collaborative International Dictionary of English v.0.48 [gcide]:
overgrown \overgrown\ adj.
1. covered with growing plants.
[WordNet 1.5]
2. abounded in usually unwanted vegetation. [Narrower terms:
{wooded (vs. unwooded)}; weedy]
[WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Weedy \Weed"y\, a. [Compar. Weedier; superl. Weediest.]
[1913 Webster]
1. Of or pertaining to weeds; consisting of weeds. "Weedy
trophies." --Shak.
[1913 Webster]
2. Abounding with weeds; as, weedy grounds; a weedy garden;
weedy corn.
[1913 Webster]
See from the weedy earth a rivulet break. --Bryant.
[1913 Webster]
3. Scraggy; ill-shaped; ungainly; -- said of colts or horses,
and also of persons. [Colloq.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Weedy \Weed"y\, a.
Dressed in weeds, or mourning garments. [R. or Colloq.]
[1913 Webster]
She was as weedy as in the early days of her mourning.
--Dickens.
[1913 Webster]
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
weedy
adj 1: abounding with or resembling weeds; "a weedy path";
"weedy plants that take over a garden" [ant: weedless]
2: being very thin; "a child with skinny freckled legs"; "a long
scrawny neck" [syn: scraggy, boney, scrawny, skinny,
underweight, weedy]