[医] 钝形的, 迟钝的(智力)

1. of an angle; between 90 and 180 degrees

<adj.all>

2. (of a leaf shape) rounded at the apex

<adj.all>

3. lacking in insight or discernment

<adj.all>
too obtuse to grasp the implications of his behavior
a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin

4. slow to learn or understand; lacking intellectual acuity

<adj.all>
so dense he never understands anything I say to him
never met anyone quite so dim
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
worked with the slow students