obtuse

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. of an angle;
between 90 and 180 degrees
• Ant:
acute
2. (of a leaf shape) rounded at the apex
• Similar to:
simple, unsubdivided
• Derivationally related forms:
obtuseness
3. 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
• Syn:
purblind
• Similar to:
undiscerning
• Derivationally related forms:
obtuseness
4. 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
• Syn:
dense, dim, dull, dumb, slow
• Similar to:
stupid
• Derivationally related forms:
slowness (for: slow), obtuseness, dumbness (for: dumb), dullness (for: dull), denseness (for: dense)

• Từ đồng nghĩa / Synonyms:
  dense, dim, dull, dumb, slow, purblind