13. thick close together; closely packed: vines grow thick.
14. thick so as to produce something thick: cheese sliced thick.
15. (n.)thick the densest or most crowded part: in the thick of the fight.
Definition of 'thick'
Princeton's WordNet
1. (adj)midst, thick the location of something surrounded by other things "in the midst of the crowd"
2. (adj)thick not thin; of a specific thickness or of relatively greatextent from one surface to the opposite usually in the smallest of the three solid dimensions "an inch thick"; "a thick board"; "a thick sandwich"; "spread a thick layer of butter"; "thick coating of dust"; "thick warm blankets"
3. (adj)thick having component parts closely crowded together "a compact shopping center"; "a dense population"; "thick crowds"; "a thick forest"; "thick hair"
5. (adj)slurred, thick spoken as if with a thicktongue "the thick speech of a drunkard"; "his words were slurred"
6. (adj)compact, heavyset, stocky, thick, thickset having a short and solidform or stature "a wrestler of compact build"; "he was tall and heavyset"; "stocky legs"; "a thickset young man"
7. (adj)dense, thick hard to pass through because of dense growth "dense vegetation"; "thick woods"
8. (adj)thick, deep (of darkness) very intense "thick night"; "thick darkness"; "a face in deep shadow"; "deep night"
9. (adj)chummy, buddy-buddy, thick(p) (used informally) associated on closeterms "a close friend"; "the bartender was chummy with the regular customers"; "the two were thick as thieves for months"