| Word | Definitions | Synonyms |
|---|---|---|
| obtuse | (adjective) of an angle; between 90 and 180 degrees | - |
| (adjective) (of a leaf shape) rounded at the apex | - | |
| (adjective) slow to learn or understand; lacking intellectual acuity | Synonyms: dense, dim, dull, dumb, slow | |
| (adjective) lacking in insight or discernment | Synonyms: purblind |