obtuse has definitions from the field of botany
1
[ adjective ] lacking in insight or discernment

Synonyms

purblind

Examples

"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

Related terms

undiscerning

2
[ adjective ] of an angle; between 90 and 180 degrees

Related terms

acute

3
[ adjective ] (botany) of a leaf shape; rounded at the apex

Related terms

simple

4
[ adjective ] slow to learn or understand; lacking intellectual acuity

Synonyms

dumb slow dull dim dense

Examples

"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"

Related terms

stupid

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