It would be presumptuous to generalize from one season of observations to the behavior of an entire population.
仅凭一个季度的观察就推及整个种群的行为，未免过于武断。
Which choice best defines “presumptuous”?
C — Overstepping bounds; arrogant.. “presumptuous” means Overstepping bounds; arrogant..
Which word means “Overstepping bounds; arrogant.”?
D — presumptuous. “presumptuous” means Overstepping bounds; arrogant..
presumptuous — Overstepping bounds; arrogant.. In Chinese: 放肆的；专横的.
presumptuous is pronounced //prɪˈzʌmptʃuəs//.
It would be presumptuous to generalize from one season of observations to the behavior of an entire population. (仅凭一个季度的观察就推及整个种群的行为，未免过于武断。)
overconfident, impertinent, forward — all close in meaning to presumptuous (Overstepping bounds; arrogant.).
modest, deferential — each the opposite of presumptuous (Overstepping bounds; arrogant.).
Yes. presumptuous 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.
同 presumption → 自以为是的。