dabble v. 淺嘗輒止 dabble in sth. 涉獵
daft [BrE,informal] a. 笨傻的
dais n. 主席臺 Members of the Dais 模聯中的主席團
dally [old-fashioned] v. 虛度時光，蹉跎歲月
damper [idiom] put a damper on sth. 潑冷水，使掃興
dank a. 陰溼的 a dank cellar 陰溼的地窖
dapper a. 衣冠楚楚的
dappled a. 有斑點的，斑駁的
daredevil n.&a. 冒失鬼，大膽魯莽的人 <近> audacious
dart v. 猛衝
daunt v. 使畏懼 be daunted by
dauntless a. 無畏的
dawdle v. 虛度時光 dawdle the day away
deadpan a. 面無表情的 deadpan humor 冷麪幽默
dearth n. =lack; a dearth of
debacle n. 潰敗 what a debacle!
debark v. 下船，卸貨； embark <反>
debase v. 貶低 debase the reputation <近> degrade
debilitate v. 使衰弱 de- 貶義前綴
debris n. 殘骸 s不發音 來源法語哈哈哈哈 託福老師
debunk v. 揭穿 <口>
debut n. t不發音 初次登臺 yyc make one’s debut
decadence [cad=to fall] n. 墮落 (區分decade十年 dec-十)
decant v. 倒入（液體）
decipher /ai/ v. 破譯 cipher n. 密碼 <近> decode
decorum n. 禮儀，得體 <近> propriety
decrepit a. /stressed on crep/ 衰老的
default v. &n. 拖欠 default on a loan ; 計算機的默認
defer /di’fer/ v. 推遲=postpone, defer sth. , deferred payment 延期支付； 遵從 ->deference /’deference/ n. 遵從 show deference to sb.
defile v. 污染，玷污，褻瀆
deft a. 靈巧熟練的 <近> cunning ; be deft at sth.
defuse v. 平息 defuse the bomb/crisis
defy v. 反抗，蔑視 defy the government/law
deify [dei=theo=divin=god] v. 神化 n. deification 奉若神明
deject [de-=not; ject=to throw] v. 沮喪
deleterious a. =harmful ; be deleterious to sb./sth.
delirium n. 神志失常，極度興奮
delusion n. 錯覺 （帶有精神錯亂） 區別illusion （普通）幻覺
deluge n. 大量（雨） a deluge of rain v. 充滿
delve v. 鑽研探索 delve into sth.
demagogue n. 蠱惑人心的政客 dema-=demo people ; Trump has been more demagogue than statesman
demolish v. 拆除 demolition n.
demoralize v. 使泄氣，士氣低落 morale n. 士氣 boost morale 鼓舞士氣
demotic [demo=people] a. 大衆的，通俗的 demotic entertainment
demur v. 反對 demur at sth.
denigrate [nigr=black, de-=strengthen] v. 抹黑，詆譭
denounce [nounce=to speak, de-=not] v. 譴責
dent n&v. 凹痕，削減
denude [de-=strengthen] v. 使赤裸光禿
deplete [de-=not; plete=full] v. 耗盡 deplete A of B
deplore [plor=to cry] v. 強烈反對；哀悼
deploy v. 部署 cloud computing
deport [port=to carry; de-=not] v. 驅逐 deportation n.
depose v. 廢黜 ; 宣誓證明
deposit n. 存款； 沉積
depravity n. 墮落 a life of depravity <近> decadence
deprecate 感覺和 depreciate 差不多… 貶義詞就對了
depreciate vi. 貶值；貶低 <反> appreciate vi. 升值
deprive v. (of) 剝奪 deprivation n. 剝奪；缺乏(lack,deficiency) maternal deprivation 母愛缺乏
deracinate [de-=up; rac=root] v. 根除
derelict a. 拋棄的
deride [rid=to laugh] v. 嘲笑
desecrate v. 玷污 <近> defile, profane
desiccate v. 使乾燥 desiccant n. 乾燥劑