невоспитанный означает в английский

discourteous▼(impolite)
adjective
[UK: dɪsˈk.ɜː.tɪəs] [US: dɪsˈk.ɝː.tɪəs]

ill-mannered▼(of or pertaining to having bad manners)
adjective
[UK: ɪl ˈmæ.nəd] [US: ˈɪl ˈmæ.nərd]

rude [ruder, rudest]▼(bad-mannered)
adjective
[UK: ruːd] [US: ˈruːd]