What is the meaning of the word "thick"?

Definitions:

(of darkness) very intense adjective
- thick night
describes someone that is stupid adjective
- Sometimes I feel a bit thick.
in quick succession adverb
- misfortunes come fast and thick
not thin adjective
- of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions
relatively dense in consistency adjective
- thick cream
spoken as if with a thick tongue adjective
- the thick speech of a drunkard
with a thick consistency adverb
- the blood was flowing thick