2 adverbs to describe how to overgrowing

It is perhaps hard for those of us who are untravelled to appreciate how densely even the ruralities of Europe are overgrown with this ivy of associations.

Where they stood the meadow was high above the level of the lane, which was enclosed by steep banks thickly overgrown with bramble, briar, and thorn.

2 adverbs to describe how to  overgrowing  - Adverbs for  overgrowing