This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A coarse, gross person; a person void of sensibility or sensitiveness; a dullard.

n. A coarse, gross person; a person void of sensibility or sinsitiveness; a dullard.

n. One who has a thick skin—that is, one who is insensible to or not easily irritated by taunts, reproaches, ridicule, or the like; a rude, unimpressible person.

Same as thick-skinned.

n. skin that is very thick (as an elephant or rhinoceros)

"If a professor is going to step out of the Ivory Tower and (1) politicize his classes, or (2) publicly advocate controversial views, (3) write/speak in public forums regarding those views, (4) run for public office, or (5) hold public office, then he had better grow a thickskin."

tegument    skin    cutis   

dullard