Chess players must remain mentally alert for hours, calculating multiple possible moves in advance.
棋手必须数小时保持精神警觉，提前计算多种可能的走法。
A study of remote-work arrangements found that employees who had a dedicated, separate home office space reported similar levels of self-reported productivity to employees without one, but employees with a dedicated space reported significantly less difficulty mentally separating work time from personal time.
From a Central Ideas and Details question · Information and Ideas
Which choice best defines “mentally”?
B — In a manner relating to the mind. “mentally” means in a manner relating to the mind.
Which word means “in a manner relating to the mind”?
B — mentally. “mentally” means in a manner relating to the mind.
mentally — in a manner relating to the mind. In Chinese: 精神上，心理上.
mentally is pronounced /ˈmɛntəli/.
Chess players must remain mentally alert for hours, calculating multiple possible moves in advance. (棋手必须数小时保持精神警觉，提前计算多种可能的走法。)
cognitively, intellectually, psychologically — all close in meaning to mentally (in a manner relating to the mind).
physically, bodily — each the opposite of mentally (in a manner relating to the mind).
Yes. mentally 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.