Rather than call the objection obtuse, the author restated her argument in terms that assumed no prior reading.
作者没有斥这一质疑迟钝，而是用不需任何预备阅读的措辞重述了自己的论点。
Which choice best defines “obtuse”?
D — Slow to understand; blunt.. “obtuse” means Slow to understand; blunt..
Which word means “Slow to understand; blunt.”?
D — obtuse. “obtuse” means Slow to understand; blunt..
obtuse — Slow to understand; blunt.. In Chinese: 迟钝的；愚笨的.
obtuse is pronounced //əbˈtjuːs//.
Rather than call the objection obtuse, the author restated her argument in terms that assumed no prior reading. (作者没有斥这一质疑迟钝，而是用不需任何预备阅读的措辞重述了自己的论点。)
dense, slow-witted, imperceptive — all close in meaning to obtuse (Slow to understand; blunt.).
perceptive, astute — each the opposite of obtuse (Slow to understand; blunt.).
Yes. obtuse is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
ob- + tus(击) → 被敲钝了 → 反应慢。