'Ill-bred' definitions:

Definition of 'ill-bred'

From: WordNet
adjective
(of persons) lacking in refinement or grace [syn: ill- bred, bounderish, lowbred, rude, underbred, yokelish]

Definition of 'Ill-bred'

From: GCIDE
  • Ill-bred \Ill"-bred`\, a. Badly educated or brought up; impolite; incivil; rude. See Note under Ill, adv. [1913 Webster]