underbred

adj

1. Of inferior breeding or upbringing; vulgar, lacking in manners or finesse.

   “The art of governing these under-bred varlets lies more in the dignity of looks than in words […].”

   “Himself, he felt the most underbred of all; he was afraid of these Utopians: snobbish and abject before them, he was like a mannerless earthy lout in a drawing-room, and he was bitterly ashamed of his own abjection.”

2. Not purebred; of an inferior strain.

   “I prefer both sire and dam to be well-bred, but a well-bred mare and an underbred horse will produce a faster animal than a thoroughbred horse and an underbred mare.”

verb

1. (form-of, participle, past)simple past and past participle of underbreed