"thickly" in the adverb sense
1. thickly
spoken with poor articulation as if with a thick tongue
"after a few drinks he was beginning to speak thickly"
2. densely, thickly
in a concentrated manner
"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"
3. thickly, thick
with a thick consistency
"the blood was flowing thick"
4. thickly
with thickness in a thick manner
"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"
5. thick, thickly
in quick succession
"misfortunes come fast and thick"
Source: WordNet® (An amazing lexical database of English)
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