dumb

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. slow to learn or understand;
lacking intellectual acuity (Freq. 9)
- 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, obtuse, slow
• Similar to:
stupid
• Derivationally related forms:
slowness (for: slow), obtuseness (for: obtuse), dumbness, dullness (for: dull), denseness (for: dense)
2. temporarily incapable of speaking
- struck dumb
- speechless with shock
• Syn:
speechless
• Similar to:
inarticulate, unarticulate
• Derivationally related forms:
speechlessness (for: speechless)
3. lacking the power of human speech
- dumb animals
• Similar to:
inarticulate, unarticulate
4. unable to speak because of hereditary deafness
• Syn:
mute, silent
• Similar to:
inarticulate, unarticulate
• Derivationally related forms:
mute (for: mute), muteness (for: mute)

• Từ đồng nghĩa / Synonyms:
  mute, silent, speechless, dense, dim, dull, obtuse, slow