The Swedish term "ohyfsad, ohövlig, obildad" matches the English term "rude"

other swedish words that include "ohyfsad" : english :
ohyfsad, lymmelaktig caddish
ohyfsad unpolished
tarvlig, plump, ohyfsad, vulgär, simpel vulgar
other swedish words that include "obildad" : english :
obildad lowbrow
obildad uneducated