a. | 1. | Not pointed or acute; blunt; - applied esp. to angles greater than a right angle, or containing more than ninety degrees. |
2. | Not having acute sensibility or perceptions; not alert, especially to the feelings of others; dull; stupid; | |
3. | Dull; deadened; |
Adj. | 1. | obtuse - of an angle; between 90 and 180 degrees Antonyms: acute - of an angle; less than 90 degrees |
2. | obtuse - of a leaf shape; rounded at the apex | |
3. | obtuse - 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 Synonyms: purblind | |
4. | obtuse - 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" |