Invasive species can be ruthless competitors, eliminating native plants and disrupting entire ecosystems.
入侵物种可能成为无情的竞争者，消灭本地植物并破坏整个生态系统。
Which choice best defines “ruthless”?
B — Without pity; merciless.. “ruthless” means Without pity; merciless..
Which word means “Without pity; merciless.”?
C — ruthless. “ruthless” means Without pity; merciless..
ruthless — Without pity; merciless.. In Chinese: 无情的；残忍的.
ruthless is pronounced //ˈruːθləs//.
Invasive species can be ruthless competitors, eliminating native plants and disrupting entire ecosystems. (入侵物种可能成为无情的竞争者，消灭本地植物并破坏整个生态系统。)
merciless, pitiless, relentless — all close in meaning to ruthless (Without pity; merciless.).
compassionate, merciful — each the opposite of ruthless (Without pity; merciless.).
Yes. ruthless is on the SAT Prep Easy list — mid-frequency academic words that do get tested. 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.
ruth(怜悯) + less → 毫不留情。