of an angle; between 90 and 180 degrees
(of a leaf shape) rounded at the apex
lacking in insight or discernment;
"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"
slow to learn or understand; lacking intellectual acuity;
"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"
"Sometimes it looks more like an obtuse triangle," Winter said.
You were too obtuse to take the hint.
The obtuse editor did not know he was being nibbled at.
obtuser近义词stupid dull slow dense slow-witted blunt opaque wooden insensitive dull-witted simple-minded imperceptive dumb purblind dim acute