(a)thicknot 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”, “a thick board”, “a thick sandwich”, “spread a thick layer of butter”, “thick coating of dust”, “thick warm blankets”
(s)compact, heavyset, stocky, thick, thicksethaving a short and solid form or stature“a wrestler of compact build”, “he was tall and heavyset”, “stocky legs”, “a thickset young man”
(s)chummy, buddy-buddy, thick(used informally) associated on close terms“the bartender was chummy with the regular customers”, “the two were thick as thieves for months”