delimit.transitive verb
to fix or define the limits of 
delimitation.noun

delineate, delineated, delineating, delineates.transitive verbs
describe; represent; to draw or trace the outline of; sketch out; to represent pictorially; depict; to depict in words or gestures
delineation, delineator.nouns
delineative.adjective

delude, deluded, deluding, deludes.transitive verbs
to fool someone so completely, that he accepts what is false as true; to mislead, to be mislead; beguiled; deceived; to deceive the mind or judgment of (fraudulent ads that delude consumers into sending in money)
delusive.adjective
delusively, deludingly.adverbs
delusion, delusiveness, deluder.nouns

delusion.noun
the act or process of deluding; the state of being deluded; a false belief or opinion (labored under the delusion that evolution was not a fraud); a false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness (delusions of persecution)
delusional.adjective

delve, delved, delving, delves.intransitive verbs
to search deeply and laboriously (delved into the court records)
delver.noun

demean, demeaned, demeaning, demeans.transitive verbs
to lower in status or character; degrade; to debase, as in dignity or social standing (professionals who feel demeaned by unskilled work); to humble oneself; to conduct or behave oneself in a particular.manner.(demeaned themselves well in class to the praise of the teacher; the class had a poor demeanor and was difficult to teach)
demeaningly.adverb
demeanor.noun
outward behavior; conduct; bearing; the way in which a person behaves; deportment

demise.noun
to dismiss; to put away; decease, death

demographics.noun.(used with a.plural.verb)
the characteristics of human populations and population segments, especially when used to identify consumer markets (the demographics of the Southwest indicate a growing population of older consumers)
demographic also demographical.adjective
of or relating to demography
demographically.adverb
demography.noun
the study of the characteristics of human populations, such as size, growth, density, distribution, and vital statistics
demographer.noun
one who works with demographic statistics and trends

demure.adjective
modest at heart; sedate; shy

dendrite or dendron.noun
a branched protoplasmic extension of a nerve cell that conducts electrical (electrochemical) impulses inward toward the cell body; a single nerve may possess many dendrites, in this sense also called dendron) which is a neuron.(impulse conducting cells that constitute the brain, spinal column and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon; an integral.component of the synaptic process

denounce, denounced, denouncing, denounces.transitive verbs
to condemn openly as being evil or reprehensible; criticize; to accuse formally; to give formal announcement of the ending of (a treaty)
denouncement, denouncer.nouns

denunciation.noun
the act or an instance of denouncing, especially a public condemnation or censure
denunciative or denunciatory.adjective

density.noun,.plural.densities
thick; compact; crowded
dense, denser, densest.adjectives
having relatively high density; crowded closely together; compact (a dense jungle); hard to penetrate; thick; permitting little light to pass through, because of compactness of matter (dense glass; a dense fog); opaque, with good contrast between light and dark areas; difficult to understand because of complexity or obscurity: a dense novel; low to apprehend; thickheaded; stupid
densely.adverb
denseness.noun

disfranchise, disfranchised, disfranchising, disfranchises.transitive verbs
to deprive of a right (was not allowed to vote), privilege or an immunity; disenfranchise
disfranchisement, disfranchiser.nouns

deny.transitive verb
inflected form(s).denied, denying, denies
to restrain (oneself) from gratification of desires; to refuse to accept the existence, truth, or validity of; to declare untrue; to refuse to accept as true or valid; to disclaim connection with or responsibility for; disavow; to give a negative answer to; to refuse to grant; gainsay; contradict; contravene
denyingly.adverb
deny implies a firm refusal to accept as true, to grant or concede, or to acknowledge the existence or claims of (denied the charges)
deniable.adjective
possible to contradict or declare untrue (deniable accusations); being such that plausible disavowal or disclaimer is possible (the covert action was deniable)
deniability.noun
deniably.adverb

dominion.noun
control or the exercise of control; sovereignty; territory or sphere of influence or control; a realm

deoxyribose.noun
a pentose sugar (a sugar with 5 carbon atoms), a derivative of ribose and a part of nucleotides

depict, depicture, depicted, depicting, depicts.transitive verbs
to picture in words; describe; to represent in a picture or sculpture
depiction.noun
a depicting or being depicted; description

divert, diverted, diverting, diverts.verbs
transitive verb use.to turn aside from a course or direction (traffic was diverted around the parade); to distract (his attention was diverted by the parade)
intransitive verb use.to turn aside
diverter.noun
divertingly.adverb

deportment.noun
the manner in which one conducts oneself; behavior; (deportment suggests actions or behavior as formed by breeding or training)
synonym-bearing

deposition.noun
the act of depositing, especially the laying down of matter by a natural process; something deposited; the act of deposing, as from high office
Law.–.testimony under oath, especially a statement by a witness that is written down or recorded for use in court at a later date; Deposition.–.the removal of the one now called Emmanuel, from the cross
depositional.adjective

disgust, disgusted, disgusting, disgusts.transitive verbs
to excite nausea or loathing in; sicken; to offend the taste or moral sense of; repel disgust.noun
profound aversion or repugnance excited by something offensive

duress.noun
constraint by threat; coercion.(confessed under duress to what he was not responsible for doing)
Law.-.coercion illegally applied; forcible confinement

dispel, dispelled, dispelling, dispels.transitive verbs
to rid one's mind of (managed to dispel my doubts); to drive away or off by or as if by scattering; scatter

duration.noun
continuance or persistence in time; a period of existence or persistence (sat quietly through the duration of the speech)

discipline.noun
a branch of knowledge or teaching; a set of guidelines, as those regulating the practice of a church or monastic order; training expected to produce a specific character or pattern of behavior, especially training that produces moral or mental improvement; behavior that one is able to control as a result of self discipline; self control
discipline, disciplined, disciplining, disciplines.transitive verbs
to train by instruction and practice, especially to teach self control to; teach
disciplinal.adjective
discipliner.noun