a.

1. 能滿足需要（量）的，足夠的[（+for）][+to-v]
   Martin decided that he had no adequate proof.

   馬丁斷定他沒有充足的證據。

2. 適當的[（+to/for）]
   He sought for an adequate solution to the problem.

   他尋求解決這個問題的適當辦法。

3. 勝任的[F][（+to）]
   She proved adequate to the job.

   事實證明她能勝任此項工作。

4. 尚可的，差強人意的
   That hotel is merely adequate.

   那家旅館只能說是差強人意。

adj.