The fossil's radiometric dating provided indisputable evidence that the species existed over two hundred million years ago.
化石的放射性测年提供了无可争辩的证据，证明该物种存在于两亿多年前。
Which choice best defines “indisputable”?
B — Impossible to doubt or question. “indisputable” means impossible to doubt or question.
Which word means “impossible to doubt or question”?
B — indisputable. “indisputable” means impossible to doubt or question.
indisputable — impossible to doubt or question. In Chinese: 无可争辩的.
indisputable is pronounced /ˌɪndɪˈspjuːtəbl/.
The fossil's radiometric dating provided indisputable evidence that the species existed over two hundred million years ago. (化石的放射性测年提供了无可争辩的证据，证明该物种存在于两亿多年前。)
undeniable, incontestable, certain — all close in meaning to indisputable (impossible to doubt or question).
disputable, questionable — each the opposite of indisputable (impossible to doubt or question).
Yes. indisputable 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.