"after a few drinks he was beginning to speak thickly"

"old houses are often so densely packed that perhaps three or four have to be demolished for every new one built"
"a thickly populated area"

"the blood was flowing thick"

"spread 1/4 lb softened margarine or cooking fat fairly thickly all over the surface"
"we were visiting a small, thickly walled and lovely town with straggling outskirt"

"misfortunes come fast and thick"