lumpen [ˈlʌmpən] ? especially (Britain)
adjective
[+person] necio The people seemed lumpen and boring He snapped at the men to pick up their feet and straighten their shoulders. They took no notice. They did not like the Major, recognizing that he despised them as a lumpen, dull ugly mass She was fastidious and, try as the young American college men might, she found them too lumpen and crude
