uncouth
un-KOOTHadjMeaning lacking good manners or refinement
Memory hook the UNCOUTH YOUTH. It rhymes: the youth with no manners is uncouth. Jonah stomps into the quiet library in muddy boots, yelling for his friend. He is uncouth.
Talking loudly on the phone all through the movie was uncouth.
In context In the old story, the uncouth giant wiped his hands on the tablecloth and stomped across the clean floor in muddy boots, to the queen’s horror.
Similar rude, crude, coarse, ill-mannered
Opposite refined, polished, urbane
From Old English uncuth, “unknown, strange”: un (not) + cuth (known).