Adverb
In a thick manner; deeply; closely.
Source: Webster's dictionaryThe wayfarer, Perceiving the pathway to truth, Was struck with astonishment. It was thickly grown with weeds. "Ha," he said, "I see that none has passed here In a long time." Later he saw that each weed Was a singular knife. "Well," he mumbled at last, "Doubtless there are other roads." Stephen Crane
The middle years, caught between children and parents, free of neither: the past stretches back too densely, it is too thickly populated, the future has not yet thinned out. Margaret Drabble
Life is thickly sown with thorns, and I know no other remedy than to pass quickly through them. The longer we dwell on our misfortunes, the greater is their power to harm us. Voltaire
It seemed proper indeed to crowd the pages with children, for in real life they run all over; the world is covered thickly with the prints of their little footsteps, though, as a rule, books written for grown-up people are kept almost clear of them. Jean Ingelow
I do believe there's good in all of us, even if it's layered over so thickly. Lili Taylor
.. the sort of white crepe dough with which the person is thickly buttered [in the 'Haute Pâtes' series, Dubuffet made in 1946] was, by its proximity to the tar, dyed the color of burnt bread like a used Meerschaum pipe. Jean Dubuffet