Sunday，2026.05.10

New words：

adequate /ˈædɪkwət/

adj. 足够的；充足的
adj. 恰当的；胜任的；合适的

详细词源拆解：

词根 ad- 朝向 + equ 相等，本义 “数量、程度刚好对等够用”；
引申为足够的、充足的；恰当的、合适的。
同根词：equal 相等、equality 平等。

词汇家族

adequate（adj. 足够的）→ adequately（adv. 足够地；适当地）
adequate → adequacy（n. 充足；适当）
adequate ↔ inadequate（adj. 不足的；不恰当的）

必记高频搭配

adequate (adj. 充足的)

We need adequate time to finish our work.
We should take adequate exercise to keep our body healthy.

adequately (adv. 充分地)

Please prepare your school things adequately for new term.

inadequate (adj. 不足的)

Inadequate sleep will affect our study and daily mood.

adequacy (n. 充足；胜任)

We doubt the adequacy of his ability for the new task
No one doubts the adequacy of her knowledge and experience.

关键使用提醒

1. 常用搭配：be adequate for sth 足以胜任；适合某事

   His ability is adequate for this difficult task.
   他的能力足以胜任这项艰巨任务。

2. 反义词 inadequate 阅读常考，表 “不足的、欠缺的”。
3. 写作可替换简单单词 enough，提升高级感。