|1.||[ 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
|2.||[ adjective ] of an angle; between 90 and 180 degrees|
|3.||[ adjective ] (botany) of a leaf shape; rounded at the apex|
|4.||[ adjective ] slow to learn or understand; lacking intellectual acuity|
|Synonyms:||dumb slow dull dim dense|
"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"