The cheerful volunteers arrived early, their laughter echoing through the community center.
这些快乐的志愿者早早到达，笑声在社区中心回荡。
Which choice best defines “cheerful”?
C — Noticeably happy and optimistic. “cheerful” means noticeably happy and optimistic.
Which word means “noticeably happy and optimistic”?
D — cheerful. “cheerful” means noticeably happy and optimistic.
cheerful — noticeably happy and optimistic. In Chinese: 快乐的，乐观的.
cheerful is pronounced /ˈtʃɪrfl/.
The cheerful volunteers arrived early, their laughter echoing through the community center. (这些快乐的志愿者早早到达，笑声在社区中心回荡。)
optimistic, joyful, upbeat — all close in meaning to cheerful (noticeably happy and optimistic).
gloomy, sullen — each the opposite of cheerful (noticeably happy and optimistic).
Yes. cheerful 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.