'obtuse' definitions:

Definition of 'obtuse'

From: WordNet
adjective
Of an angle; between 90 and 180 degrees [ant: acute]
adjective
(of a leaf shape) rounded at the apex
adjective
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: obtuse, purblind]
adjective
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, obtuse, slow]