The geologist determined that the mineral deposit was worthless for commercial extraction due to its low concentration of rare metals.
地质学家确定，该矿藏因稀有金属浓度低，对商业开采而言毫无价值。
Which choice best defines “worthless”?
A — Having no real value or use. “worthless” means having no real value or use.
Which word means “having no real value or use”?
C — worthless. “worthless” means having no real value or use.
worthless — having no real value or use. In Chinese: 无价值的.
worthless is pronounced /ˈwɜrθləs/.
The geologist determined that the mineral deposit was worthless for commercial extraction due to its low concentration of rare metals. (地质学家确定，该矿藏因稀有金属浓度低，对商业开采而言毫无价值。)
useless, valueless, futile — all close in meaning to worthless (having no real value or use).
valuable, useful — each the opposite of worthless (having no real value or use).
Yes. worthless 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.