numbskull [noun] [C] [dated] - a very stupid or silly personYou've spilt my coffee, you numskull! [as form of address] nun [noun] [C] - a member of a female religious group which lives in a conventAs a child she went to a convent school run by Catholic nuns.
NUMSKULL
Meaning of NUMSKULL in English
Cambridge English vocab. Кембриджский английский словарь. 2012