The exact date of the ancient manuscript's composition remains uncertain, as scholars debate stylistic and historical evidence.
这份古代手稿的确切创作日期仍不确定，学者们就风格和历史证据展开辩论。
Which choice best defines “uncertain”?
A — Not sure or not able to decide. “uncertain” means not sure or not able to decide.
Which word means “not sure or not able to decide”?
C — uncertain. “uncertain” means not sure or not able to decide.
uncertain — not sure or not able to decide. In Chinese: 不确定的.
uncertain is pronounced /ʌnˈsɜːrtən/.
The exact date of the ancient manuscript's composition remains uncertain, as scholars debate stylistic and historical evidence. (这份古代手稿的确切创作日期仍不确定，学者们就风格和历史证据展开辩论。)
doubtful, indefinite, ambiguous — all close in meaning to uncertain (not sure or not able to decide).
certain, sure — each the opposite of uncertain (not sure or not able to decide).
Yes. uncertain is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. 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.