Countless generations of farmers have cultivated these terraced hillsides, shaping the landscape over millennia.
无数代农民在这片梯田山坡上耕作，历经数千年塑造了这片地貌。
Which choice best defines “countless”?
B — Too many to be counted; innumerable. “countless” means too many to be counted; innumerable.
Which word means “too many to be counted; innumerable”?
B — countless. “countless” means too many to be counted; innumerable.
countless — too many to be counted; innumerable. In Chinese: 无数的，数不清的.
countless is pronounced /ˈkaʊntləs/.
Countless generations of farmers have cultivated these terraced hillsides, shaping the landscape over millennia. (无数代农民在这片梯田山坡上耕作，历经数千年塑造了这片地貌。)
innumerable, numberless, untold — all close in meaning to countless (too many to be counted; innumerable).
few, limited — each the opposite of countless (too many to be counted; innumerable).
Yes. countless 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.