The ancient manuscript had been completely preserved in the dry desert climate, astonishing the historians.
这份古代手稿在干燥的沙漠气候中得以完全保存，令历史学家们惊叹不已。
In a laboratory experiment, seedlings exposed to brief, intermittent gusts of simulated wind each day developed thicker, sturdier stems than genetically identical seedlings grown in completely still air with the exact same light and water conditions.
From a Inferences question · Information and Ideas
A sleep researcher hypothesizes that keeping the bedroom completely dark improves total nightly sleep duration more than simply reducing bedroom noise alone does.
From a Command of Evidence: Textual question · Information and Ideas
Which choice best defines “completely”?
B — Totally; fully. “completely” means totally; fully.
Which word means “totally; fully”?
A — completely. “completely” means totally; fully.
completely — totally; fully. In Chinese: 完全地，彻底地.
completely is pronounced /kəmˈpliːtli/.
The ancient manuscript had been completely preserved in the dry desert climate, astonishing the historians. (这份古代手稿在干燥的沙漠气候中得以完全保存，令历史学家们惊叹不已。)
entirely, totally, wholly — all close in meaning to completely (totally; fully).
partially, partly — each the opposite of completely (totally; fully).
Yes. completely 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.