1. (adj)obtuse of an angle; between 90 and 180 degrees
2. (adj)obtuse (of a leaf shape) rounded at the apex
3. (adj)obtuse, purblind 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
4. (adj)dense, dim, dull, dumb, obtuse, slow slow to learn or understand; lacking intellectualacuity "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"
Definition of 'obtuse'
