The ancient granite cliffs remained unaffected by the mild erosion that gradually reshaped the softer limestone nearby.
古老的花岗岩悬崖不受轻微侵蚀的影响，而侵蚀逐渐重塑了附近较软的石灰岩。
Economist Paolo Ricci notes that in cities where congestion pricing has been implemented, low-income drivers who cannot afford alternative transportation bear a disproportionate share of the fee's burden, even as wealthier drivers largely continue driving unaffected.
From a Cross-Text Connections question · Craft and Structure
Which choice best defines “unaffected”?
A — Not changed or influenced by something. “unaffected” means not changed or influenced by something.
Which word means “not changed or influenced by something”?
A — unaffected. “unaffected” means not changed or influenced by something.
unaffected — not changed or influenced by something. In Chinese: 不受影响的.
unaffected is pronounced /ˌʌnəˈfektɪd/.
The ancient granite cliffs remained unaffected by the mild erosion that gradually reshaped the softer limestone nearby. (古老的花岗岩悬崖不受轻微侵蚀的影响，而侵蚀逐渐重塑了附近较软的石灰岩。)
unchanged, uninfluenced, immune — all close in meaning to unaffected (not changed or influenced by something).
affected, influenced — each the opposite of unaffected (not changed or influenced by something).
Yes. unaffected 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.