a. Exceedingly or unduly proud. “Overproud of his victory.” Milton. [ 1913 Webster ]

v. t. [ imp. Overgrew p. p. Overgrown p. pr. & vb. n. Overgrowing. ] [ 1913 Webster ]

1. To grow over; to cover with growth or herbage, esp. that which is rank; as, dandelions have overgrown the lawn. [ 1913 Webster +PJC ]

The green . . . is rough and overgrown. Sir W. Scott. [ 1913 Webster ]

2. To grow beyond; to rise above; hence, to overcome; to oppress. [ Obs. ] Mortimer. “O'ergrown with labor.” Beau. & Fl. [ 1913 Webster ]

[ Usually in the past participle. ] [ 1913 Webster ]

v. i. To grow beyond the fit or natural size; to grow too large; as, a huge, overgrown ox. L'Estrange. [ 1913 Webster ]

adj. 1. covered with growing plants. [ WordNet 1.5 ]

2. abounded in usually unwanted vegetation. [ Narrower terms: wooded (vs. unwooded); weedy ] [ WordNet 1.5 ]

n. 1. Excessive growth. [ 1913 Webster ]

2. A growth that has covered somethin over. [ PJC ]