Adjective, : a bristly person with few friends.    From Dictionary.com. 

California makes up in bristliness what it lacks in luxuriance.    From Wordnik.com.  [The Story of the Innumerable Company, and Other Sketches] Reference

But I thought it was one aspect of whisker-growing I was going to be spared - maybe my pathetic attempt was so feeble it couldn't even muster the required bristliness to make it itch.    From Wordnik.com.  [BBC News - Home] Reference