The desert appeared lifeless at midday, yet nocturnal creatures would soon emerge from their burrows.
正午的沙漠看似毫无生气，但夜行性动物很快就会从洞穴中出来。
Which choice best defines “lifeless”?
D — Without life; not lively. “lifeless” means without life; not lively.
Which word means “without life; not lively”?
B — lifeless. “lifeless” means without life; not lively.
lifeless — without life; not lively. In Chinese: 无生命的，无生气的.
lifeless is pronounced /ˈlaɪfləs/.
The desert appeared lifeless at midday, yet nocturnal creatures would soon emerge from their burrows. (正午的沙漠看似毫无生气，但夜行性动物很快就会从洞穴中出来。)
inanimate, dead, inert — all close in meaning to lifeless (without life; not lively).
animated, vibrant — each the opposite of lifeless (without life; not lively).
Yes. lifeless 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.