The volcano remained inactive for centuries, allowing a dense forest to grow over its slopes.
这座火山沉寂了几个世纪，茂密的森林在其山坡上生长起来。
Which choice best defines “inactive”?
B — Not doing anything; not active. “inactive” means not doing anything; not active.
Which word means “not doing anything; not active”?
C — inactive. “inactive” means not doing anything; not active.
inactive — not doing anything; not active. In Chinese: 不活跃的.
inactive is pronounced /ɪnˈæktɪv/.
The volcano remained inactive for centuries, allowing a dense forest to grow over its slopes. (这座火山沉寂了几个世纪，茂密的森林在其山坡上生长起来。)
dormant, idle, passive — all close in meaning to inactive (not doing anything; not active).
active, energetic — each the opposite of inactive (not doing anything; not active).
Yes. inactive 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.