a.

1. 簡單的，簡易的，簡明的
   Such a toy is simple to make.

   這種玩具做起來很簡單。

2. 單純的，樸實的；天真的
   My aunt has a simple heart.

   我姑媽有一顆單純的心。

   She's so simple she'll believe anything you tell her.

   她十分單純，你跟她說什麼她都會相信。

3. 坦率的，善良的
4. 完全的，純粹的[Z]
   His statement was simple racism.

   他的陳述純粹是種族歧視。

5. 結構單一的，不可分割的[Z]
6. 低微的；普通的，不重要的
   My sisters are both simple office workers.

   我兩個妹妹都是普通的公司職員。

7. 頭腦簡單的，愚笨的
   It was simple of her to waste her money on such trifles.

   她把錢浪費在購買那種沒用的玩意上，真是愚蠢。

n.[C]

1. 單一體；單一成分的食品（或藥品）
2. 智能低下者，笨蛋
3. 愚蠢的行為[P]
   She talked like she'd got the simples.

   她說話像犯了傻似的。

4. 【古】草藥
5. 【古】出身（或地位）低下者

adj.

1. easily understood or done.
2. plain and uncomplicated in form, nature, or design.
   ▸humble and unpretentious.
3. composed of a single element; not compound.
   ▸Botany  (of a leaf or stem) not divided or branched.
   ▸(of a lens, microscope, etc.) consisting of a single lens or component.
4. of very low intelligence.
5. (in English grammar) denoting a tense formed without an auxiliary.
6. (of interest) payable on the sum loaned only. Compare with compound¹.

n.