Her voluminous correspondence, some twelve thousand letters, is now the chief source for the period.
她多达一万两千封的浩繁通信，如今成了研究该时期的主要史料。
Which choice best defines “voluminous”?
C — Extensive and massive; bulky. “voluminous” means Extensive and massive; bulky.
Which word means “Extensive and massive; bulky”?
A — voluminous. “voluminous” means Extensive and massive; bulky.
voluminous — Extensive and massive; bulky. In Chinese: 大量的，庞大的.
voluminous is pronounced /vəˈluːmɪnəs/.
Her voluminous correspondence, some twelve thousand letters, is now the chief source for the period. (她多达一万两千封的浩繁通信，如今成了研究该时期的主要史料。)
extensive, copious, bulky — all close in meaning to voluminous (Extensive and massive; bulky).
brief, scanty — each the opposite of voluminous (Extensive and massive; bulky).
Yes. voluminous 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.
volume (volume, scroll) + inous→ large quantity, multi-volume.