a.

1. 筆直的；挺直的
   His friend is a tall, slim girl with a straight nose.

   他的朋友是位鼻子挺直，身材高而苗條的姑娘。

2. 平直的；平的
3. 整齊的；端正的；有條理的[F]
4. 正直的，坦率的[（+with）]
   The boss is not completely straight with us.

   上司對我們並不完全坦誠。

5. 正確的；可靠的
6. 純粹的，不攙雜的[Z]
7. 連續的，無間斷的[B]
   It has snowed for three straight days.

   已連續下了三天雪了。

8. （戲劇）嚴肅的，正統的[Z][B]
9. 不表露感情的
10. 不欠債的[F]
11. 【俚】非同性戀的；非吸毒者的
12. 循規蹈矩的；極端古板守舊的

ad.

1. 直，挺直地
2. 直接地，一直地
   Go straight down the road and then turn left.

   沿著這條路一直走，然後左轉。

3. 正直地，坦率地
   Tell me straight what you think of the plan.

   請把你對這個計畫的看法坦白地告訴我。

4. 立刻，馬上
   He went to bed straight after supper.

   他吃好晚飯就去睡了。

5. 正確地

n.[C]

1. 直，挺直；直線[the S]
2. （紙牌）五張順牌
3. （拳擊）直拳，從正面擊打
4. 【俚】非同性戀者；非吸毒者
5. 循規蹈矩的人；保守的人
6. 工廠製造的香菸，（菸）不含毒品的

adj.

1. extending uniformly in one direction only; without a curve or bend.
   ▸(of an arch) flat-topped.
2. properly positioned so as to be level, upright, or symmetrical.
   ▸in proper order or condition.
3. not evasive; honest.
   ▸(of a choice) simple.
   ▸(of thinking) clear and logical.
4. in continuous succession.
5. (of an alcoholic drink) undiluted.
6. (of drama) serious as opposed to comic or musical.
7. informal conventional or respectable.
8. informal heterosexual.

adv.

1. in a straight line; directly.
   ▸without delay; immediately.
2. in a straight manner.

n.

1. the straight part of something, especially the concluding stretch of a racecourse.
   ▸archaic a straight form or position.
2. Poker  a continuous sequence of five cards.
3. informal a conventional person.
4. informal a heterosexual.