Definitions for uncouthness
Random House Webster's College Dictionary
lacking manners or grace; clumsy; oafish.
rude, uncivil, or boorish:
strange and ungraceful in appearance or form.
Origin of uncouth:
bef. 900; ME: unfamiliar, unknown; OE uncūth=un-un-1+cūth known, c. OHG chund, ON kunnr; orig. ptp. of can1
inelegance by virtue of being an uncouth boor
The characteristic of being uncouth.