Ill-bred in a sentence as an adjective

If they're too thick or ill-bred to manage it, they can take their money elsewhere.

More usefully, could we avoid some ill-bred start-up ideas and venture capital wasted if the attitude of Silicon Valley was changed to include just a little more care about history?

Ill-bred definitions

adjective

(of persons) lacking in refinement or grace

See also: bounderish lowbred rude underbred yokelish