obtuse

Adjective

• 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
    

• 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
    

• (of a leaf shape) rounded at the apex

• of an angle; between 90 and 180 degrees

Related words

• Synonyms: 
  dense , dim , dull , dumb , slow , purblind