The term 'uncultivated one' can be summarized by two crossword solutions: 'BOOR' (4 letters) and 'YAHOO' (5 letters). A BOOR is an ill-mannered, insensitive person who lacks social graces. The term originated in the 16th century from the Dutch word 'BOER, ' meaning peasant or farmer. A YAHOO is a rude, uncouth person, often used to describe someone who is loud and obnoxious. The term was popularized by Jonathan Swift in his 1726 novel Gulliver's Travels, in which he described a race of brutish creatures called Yahoos.