Without regular maintenance, the ancient irrigation channels began to regress into silt-filled ditches, reducing crop yields.
如果没有定期维护，古老的灌溉渠道开始退化成充满淤泥的沟渠，导致农作物产量下降。
Which choice best defines “regress”?
B — To return to a worse or earlier state.. “regress” means To return to a worse or earlier state..
Which word means “To return to a worse or earlier state.”?
A — regress. “regress” means To return to a worse or earlier state..
regress — To return to a worse or earlier state.. In Chinese: 倒退;退化;回归.
regress is pronounced //rɪˈɡres//.
Without regular maintenance, the ancient irrigation channels began to regress into silt-filled ditches, reducing crop yields. (如果没有定期维护，古老的灌溉渠道开始退化成充满淤泥的沟渠，导致农作物产量下降。)
revert, retrogress, backslide — all close in meaning to regress (To return to a worse or earlier state.).
progress, advance — each the opposite of regress (To return to a worse or earlier state.).
Yes. regress 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.
re(向后) + gress(走,progress) → 往回走 → 倒退。