obtuse

adj 1: of an angle; between 90 and 180 degrees [ant: {acute}]

2: of a leaf shape; rounded at the apex

3: 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"- Jasper Griffin [syn: {purblind}]

4: 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"- Thackeray; "dumb officials make some really dumb

decisions"; "he was either normally stupid or being

deliberately obtuse"; "worked with the slow students"

[syn: {dense}, {dim}, {dull}, {dumb}, {slow}]