Wasteful : (of a person, action, or process) using or expending something of value carelessly, extravagantly, or to no purpose.Dirty : covered or marked with an unclean substance.Undesirable : not wanted or desirable because harmful, objectionable, or unpleasant.Ungracious : not polite or friendly.Uncouth : lacking good manners, refinement, or grace.Synonym of Uncouth is Ungracious