- decorous: proper
- decorum: etiquette
- decry: denounce
- deface: disfigure
- defiance: resistance
- deficient: lacking
- deficit: shortage
- defile: soil
- defunct: dead
- degenerate: to become worse
- degradation: disgrace
- deify: glorify
- delectable: delicious
- deleterious: harmful
- deliberate: done on purpose
- delineate: draw
- deluge: flood
- demagogue: troublemaker
- demise: death
- demolish: destory
- demur: object
- demure: quiet
- denigrate: to blacken
- denounce: decry
- denuded: uncovered
- deprecate: disapprove
- deprivation: removal
- derelict: abandoned
- deride: mock
- derision: mockery
- derisory: ridiculous
- derivative: unoriginal
- derive: extract
- derogate: disgrace
- descendant: a person who is related to somebody who lived a long time ago
- desecrate: dishonor
- desiccate: dehydrate
- desolate: empty of people
- despondent: without hope
- despot: dictator
- despotic: of or like a despot
- desultory: casual
- deter: prevent
- deteriorate: decline
- detest: to hate somebody or something
- detractor: critic
- deviate: deflect
- devious: cunning
- diabolic: devilish
- diatribe: tirade
- dichotomous: divided
- dictate: command
- dictator: despot
- dictatorial: of a dictator
- didactic: educational
- diffident: shy
- diffuse: spread widely
- dilapidated: old and broken
- dilatory: slow
- dilettante: amateur
- diligent: working hard careful and thorough way
- diminish: reduce
- diminutive: small
- disapprobation: disapproval
- disassemble: to take apart
- disavow: deny
- disavowal: denial
- discern: make out
- discernible: able to be discerned
- disclose: reveal
- discomfited: confused or embarrassed
- discord: conflict
- discordant: conflicting
- discount: ignore
- discredit: disgrace
- discreet: careful
- discrepancy: difference
- discrete: separate
- discretion: caution
- discriminating: selective
- discursive: circuitous
- disdain: haughtiness
- disgruntled: dissatisfied
- dishearten: discourage
- disheveled: untidy
- disingenuous: insincere
- disinterest: unconcern
- disjointed: detached
- dislodge: remove
- dismay: alarm
- disorderly: chaotic
- disparage: mock
- disparate: various
- disparity: unevenness
- dispassionate: unemotional
- dispel: expel
- disperse: scatter
- disposition: nature
- disquieting: alarming
- dissect: examine
- dissemble: pretend
- disseminate: scatter
- dissension: disagreement
- dissipate: vanish
- dissolve: vanish
- dissonance: disagreement
- distaste: dislike
- distension: swollenness
- distinctive: differentiative
- distort: warp
- divergent: separate
- diversion: deviation
- divisive: alienating
- divulge: betray
- docile: easily managed or handled
- doctrinaire: dogmatic
- doctrine: dogma
- dogma: doctrine
- dogmatic: doctrinaire
- dolt: idiot
- domesticated: tamed
- doting: indulgent
- drab: boring
- drastic: fierce
- drawback: disadvantage
- dread: scare
- drench: soak
- droll: funny
- drudgery: hard work
- dubious: suspicious
- dumbfounded: astonished
- dupe: trick
- duplicate: twin
- duplicitous: deceitful
- durability: endurance
- ealitarian: equal
- earnest: serious
- ebb: decrease
- ebullience: excitement
- eccentric: abnormal
- eclectic: varied
- efface: erase
- effervescence: vivaciousness
- effervescent: vivacious
- efficacious: effective
- effrontery: rudeness without shame
- effusive: profuse
- egotistical: of or like an egotist
- egregious: shocking
- elated: euphoric
- elation: delight
- elitist: high-brow
- elocution: delivery
- elucidate: explain
- elucidation: explanation
- emaciated: thin
- emancipate: free
- emancipation: freedom
- emasculate: castrate
- embellish: decorate
- embittered: bitter
- embodiment: personification
- embody: symbolize
- eocentric: self-centered