Ill-bred means badly brought up and lacking manners. An ill-bred remark.
It blames the upbringing rather than the person, which was once the whole point of saying it. Ill-bred is now archaic and carries the class assumptions of the age that used it.
1adjectiveill-bredBadly brought up and lacking manners.
“It was thought ill-bred to mention money at all.”
ill-bred is a quality.
Practised in A Song of Ice and Fire