o ‧ ver ‧ grown /ˌəʊvəˈɡrəʊn◂ $ ˌoʊvərˈɡroʊn◂/ BrE AmE adjective
[ Word Family: noun : ↑ grower , ↑ growth , ↑ undergrowth , ↑ outgrowth , ↑ overgrowth ; adjective : growing, ↑ grown , ↑ overgrown ; verb : ↑ grow , ↑ outgrow ]
1 . covered with plants that have grown in an uncontrolled way
overgrown with
The garden will be overgrown with weeds by the time we get back.
2 . when grass or plants are overgrown, they have grown in an uncontrolled way:
a lawn with overgrown grass
3 . overgrown schoolboy/child an adult who behaves like a child – used to show disapproval:
Stop acting like an overgrown schoolboy.