a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin.
although dull at classical learning, at mathematics he was uncommonly quick.
dumb officials make some really dumb decisions.
he was either normally stupid or being deliberately obtuse.
never met anyone quite so dim.
so dense he never understands anything I say to him.
too obtuse to grasp the implications of his behavior.
worked with the slow students.