The inadequate lighting in the reading room made it difficult for students to study after sunset.
阅览室照明不足，使学生在日落后难以学习。
Which choice best defines “inadequate”?
C — Not enough or not good enough. “inadequate” means not enough or not good enough.
Which word means “not enough or not good enough”?
B — inadequate. “inadequate” means not enough or not good enough.
inadequate — not enough or not good enough. In Chinese: 不充分的.
inadequate is pronounced /ɪnˈædɪkwət/.
The inadequate lighting in the reading room made it difficult for students to study after sunset. (阅览室照明不足，使学生在日落后难以学习。)
insufficient, deficient, scarce — all close in meaning to inadequate (not enough or not good enough).
adequate, sufficient — each the opposite of inadequate (not enough or not good enough).
Yes. inadequate 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.