ill–bred 
/ˈɪlˈbrɛd/ adjective
/ˈɪlˈbrɛd/ adjective [more ill–bred; most ill–bred] somewhat old-fashioned : rude and impolite : having or showing bad manners
▪ His ill-bred behavior embarrassed her at the restaurant. ▪ an ill-bred child — opposite well-bred
▪ His ill-bred behavior embarrassed her at the restaurant. ▪ an ill-bred child — opposite well-bred
