The committee remained obdurate, refusing to extend the deadline even after the storm closed the campus for three days.
委员会毫不松口，即便风暴导致校园关闭三天，仍拒绝延长截止期限。
Which choice best defines “obdurate”?
C — Stubbornly unyielding.. “obdurate” means Stubbornly unyielding..
Which word means “Stubbornly unyielding.”?
A — obdurate. “obdurate” means Stubbornly unyielding..
obdurate — Stubbornly unyielding.. In Chinese: 固执的；顽固的.
obdurate is pronounced //ˈɒbdjərət//.
The committee remained obdurate, refusing to extend the deadline even after the storm closed the campus for three days. (委员会毫不松口，即便风暴导致校园关闭三天，仍拒绝延长截止期限。)
unyielding, intransigent, inflexible — all close in meaning to obdurate (Stubbornly unyielding.).
yielding, accommodating — each the opposite of obdurate (Stubbornly unyielding.).
Yes. obdurate 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- + dur(硬) → 硬到底。