Underbreeding

How would you feel about someone bemoaning the slow death of the human race through underbreeding when actually there are plenty of brown babies being born? ❋ Nihilistic_kid (2010)

While absence of an educated class seems to be damaging to a society, I'm not sure where the evidence of the "smart class underbreeding is a tragedy" comes from. ❋ Steven Barnes (2008)

Such conduct represents that nadir of underbreeding and folly. ❋ Unknown (1913)

That disagreeable quality in the voice which in an American woman is often the most easily perceptible note of underbreeding was not there. ❋ Edward Eggleston (1869)

You don't mind vulgarity and underbreeding because you are perfectly indifferent to people so long as they don't try to jump the fence about your own little private enclosure. " ❋ David Graham Phillips (1889)

She'd make a sensation in a Fifth Avenue drawing-room if she had the sense to keep her mouth shut, and not show her ignorance and underbreeding. " ❋ Edward Payson Roe (1863)