What does THICK mean?

adjective

1. not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions“an inch thick”
2. having component parts closely crowded together“a compact shopping center”
3. relatively dense in consistency“thick cream”
4. spoken as if with a thick tongue“the thick speech of a drunkard”
5. having a short and solid form or stature“a wrestler of compact build”
6. hard to pass through because of dense growth“dense vegetation”
7. (of darkness) very intense“thick night”
8. (used informally) associated on close terms“a close friend”