The discovery of the fossilized skeleton marked a momentous advance in our understanding of dinosaur evolution.
这块化石骨骼的发现标志着我们对恐龙进化理解的重大进展。
Which choice best defines “momentous”?
C — Very important or significant. “momentous” means very important or significant.
Which word means “very important or significant”?
B — momentous. “momentous” means very important or significant.
momentous — very important or significant. In Chinese: 重大的.
momentous is pronounced /moʊˈmɛntəs/.
The discovery of the fossilized skeleton marked a momentous advance in our understanding of dinosaur evolution. (这块化石骨骼的发现标志着我们对恐龙进化理解的重大进展。)
significant, historic, consequential — all close in meaning to momentous (very important or significant).
trivial, insignificant — each the opposite of momentous (very important or significant).
Yes. momentous is on the SAT Prep Easy list — mid-frequency academic words that do get tested. 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.