rude(a)
adj. socially incorrect in behavior 同义词：ill-manneredbad-manneredunmanneredunmannerly
(of persons) lacking in refinement or grace 同义词：ill-bredbounderishlowbredunderbredyokelish
lacking civility or good manners 同义词：uncivil
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes"bales of rude cotton"
同义词：naturalraw(a)
belonging to an early stage of technical development; characterized by simplicity and (often) crudeness"the crude weapons and rude agricultural implements of early man"
同义词：crudeprimitive