diadem
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C2 noun /ˈdaɪəˌdɛm/

diadem

Meaning
A crown or headband worn as a symbol of royalty or authority.
Example
The queen wore a glittering diadem at the coronation.
C2 noun /dɪˈkæmərən/

decameron

Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
C2 noun /daɪn/

dyne

Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
C2 noun /ˈdɒkɪt/

docket

Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
C2 noun /drɛɡz/

dregs

Meaning
the remnants of a liquid left in a container, together with any sediment or grounds; the most worthless part of something
Example
He drank the dregs of the coffee before leaving.
C2 noun /ˈdɛnɪzən/

denizen

Meaning
an inhabitant or resident of a particular place
Example
The forest is home to many nocturnal denizens.
C2 noun /ˈdræɡˌnɛt/

dragnet

Meaning
A systematic search or investigation, often by police to catch criminals.
Example
The police launched a dragnet to capture the fugitives.
C2 noun /ˈdɛsɪkənt/

desiccant

Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
C2 verb /dɪˈfoʊlieɪt/

defoliate

Meaning
to strip leaves from a tree, plant, or area, often using chemicals
Example
The farmers defoliated the fields before harvest.
C2 noun /ˌdiːlɛkˈteɪʃən/

delectation

Meaning
great pleasure or delight
Example
She read the story aloud for the delectation of her friends.
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
C2 noun /dɪˈstɛnʃən/

distention

Meaning
The state of being swollen due to internal pressure.
Example
The patient complained of abdominal pain and distention.
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

Meaning
An early type of photograph produced on a silver or silver-covered copper plate.
Example
The museum displayed a rare daguerreotype of Abraham Lincoln.
C2 verb /dʌn/

dun

Meaning
to demand payment of a debt persistently
Example
The landlord dunned the tenant for unpaid rent.
C2 adjective /ˈdɪstəl/

distal

Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
C2 noun /dɪˈpɔːrtmənt/

deportment

Meaning
A person's behavior or manners, especially in a formal situation.
Example
Her deportment during the ceremony impressed everyone.
C2 adjective /ˌdɛbəˈnɛr/

debonair

Meaning
confident, stylish, and charming, typically referring to a man
Example
He looked debonair in his tuxedo at the gala.
C2 verb /ˈdɛsɪkreɪt/

desecrate

Meaning
to treat a sacred place or object with disrespect or violation
Example
The vandals desecrated the ancient temple walls with graffiti.
C2 adjective /dɪsˈkɒnsələt/

disconsolate

Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
C2 noun /dɪˈsɛmbələr/

dissembler

Meaning
a person who conceals their real feelings or intentions; a hypocrite or pretender
Example
The politician was accused of being a dissembler who never revealed his true plans.
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
C2 verb /dɪˈspɒnd/

despond

Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
C2 noun /ˈdɛkəˌliːtər/

decaliter

Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
C2 noun /daɪˈvɛstɪtʃər/

divestiture

Meaning
the action of selling off or disposing of business interests or assets
Example
The divestiture of the subsidiary was completed last year.
C2 verb /ˈdʌv.teɪl/

dovetail

Meaning
to fit or combine perfectly together
Example
Her plans dovetail perfectly with our goals.
C2 verb /dɪˈskraɪ/

descry

Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
C2 adjective /daɪˈvɜːrtɪbəl/

divertible

Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
C2 adjective /dɪˈkrɛpɪt/

decrepit

Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
C2 noun /ˈdrʌmɪt/

Drumet

Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
C2 adjective /ˈdɛndrɔɪd/

dendroid

Meaning
tree-shaped or branching like a tree
Example
The coral has a dendroid structure.
C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

Meaning
To reduce the number of people living in a place.
Example
The war threatened to depopulate the once-thriving town.
C2 noun /ˌdɪsɪˈpeɪʃən/

dissipation

Meaning
the process of disappearing or wasting; excessive indulgence in pleasure
Example
The dissipation of his fortune left him in poverty.
C2 verb /dɪsˈroʊb/

disrobe

Meaning
to remove one's clothes
Example
The monk disrobed before entering the river.
C2 noun /daɪˈɡrɛʃən/

digression

Meaning
A temporary departure from the main subject in speech or writing.
Example
Her story was full of interesting digressions.
C2 adjective /djuːˈplɪsɪtəs/

duplicitous

Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
C2 noun /ˈdɒɡ roʊz/

Dog-rose

Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
C2 noun /dəˈkɔɪt/

Dacoit

Meaning
a member of an armed gang of robbers; a bandit, especially in India and Myanmar
Example
The village was terrorized by a gang of dacoits who robbed travelers.
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
C2 noun /ˈdɒɡərəl/

doggerel

Meaning
Comic or irregular verse, often poorly constructed and lacking in artistic quality.
Example
The poet’s work was dismissed as mere doggerel by the critics.
C2 noun /ˈdɛskænt/

descant

Meaning
An additional melody or counterpoint sung or played above the main melody.
Example
The choir added a beautiful descant to the hymn.
C2 verb /dɪsˈbɜːrs/

disburse

Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
C2 noun /ˈdeɪ.mæn/

day-man

Meaning
a worker employed by the day; a day laborer
Example
The farmer hired a day-man to help with the harvest.
C2 noun /ˌdɪvɪˈneɪʃən/

divination

Meaning
the practice of seeking knowledge of the future or the unknown by supernatural means
Example
Ancient people often relied on divination to guide important decisions.
C2 noun /dɪˈstɪlər/

distiller

Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
C2 noun /dɪˌlæpɪˈdeɪʃən/

dilapidation

Meaning
The state of disrepair or ruin as a result of neglect.
Example
The old temple was in a state of dilapidation.
C2 adjective /ˈdʌlsɪt/

dulcet

Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
C2 adjective /ˈdoʊlfəl/

Doleful

Meaning
sorrowful; mournful; expressing grief or sadness
Example
She gave him a doleful look when he left.
C2 verb /dɪˈbɔːtʃ/

debauch

Meaning
to corrupt morally; to lead into excessive indulgence in sensual pleasures
Example
The novel shows how wealth can debauch a person's character.
C2 adjective /ˈdaʊ.di/

dowdy

Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
C2 noun /ˈdaɪˌsɪləbəl/

disyllable

Meaning
a word consisting of two syllables
Example
The word 'happy' is a disyllable.
C2 adjective /dɪˈspjuːtəbl/

Disputable

Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
C2 verb /dɪˈbɪlɪteɪt/

debilitate

Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
C2 noun /ˈdɛrɪk/

derrick

Meaning
A framework or tower used for supporting a crane, especially for oil drilling or lifting heavy loads.
Example
The workers assembled a derrick at the oil drilling site.
C2 noun /ˈdiːɪst/

deist

Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
C2 noun /dɪˈsɪstəns/

desistance

Meaning
The act of stopping or ceasing from some action or behavior.
Example
The court urged his desistance from further unlawful activities.
C2 adjective /dɪˈmjʊər/

demure

Meaning
reserved, modest, and shy
Example
She gave him a demure smile.
C2 adjective /dɪˈfjuːzəbl/

diffusible

Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
C2 verb /ˌdɪsɪnˈfræntʃaɪz/

disenfranchise

Meaning
To deprive someone of the right to vote or other rights.
Example
The new law could disenfranchise thousands of voters.
C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
C2 adjective /ˈdɛdˌpæn/

deadpan

Meaning
Deliberately impassive or expressionless in manner.
Example
She delivered the joke in a completely deadpan voice.
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
C2 noun /dɪˈmʌrɪdʒ/

demurrage

Meaning
a charge payable to the owner of a ship or vehicle for not loading or unloading on time
Example
The company had to pay demurrage for delaying the unloading of goods.
C2 noun /dɪsˈjuːnjən/

disunion

Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
C2 adjective /ˈdɪsənənt/

dissonant

Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
C2 verb /dɪˈkæmp/

decamp

Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
C2 verb /dɪsˈɡɔːrdʒ/

disgorge

Meaning
to discharge or pour out; to vomit; to give up reluctantly
Example
The broken pipe disgorged water all over the floor.
C2 noun /dɪˈdʒɛkʃən/

dejection

Meaning
a state of sadness, depression, or low spirits
Example
She sat in a state of dejection after hearing the bad news.
C2 noun /ˌdɪfəˈrɛnʃə/

differentia

Meaning
A distinguishing characteristic that sets one thing apart from another.
Example
The differentia of humans is their ability to reason abstractly.
C2 noun /ˈdæl.i.əns/

Dalliance

Meaning
a casual romantic or sexual relationship; a brief involvement or experiment
Example
His dalliance with photography lasted only a few months before he lost interest.
C2 noun /djuːˈplɪsɪti/

duplicity

Meaning
Deceitfulness or double-dealing; dishonesty.
Example
Her duplicity was revealed during the investigation.
C2 adjective /dɪˈklæməˌtɔri/

declamatory

Meaning
speaking in a loud, rhetorical, or dramatic way
Example
The politician’s declamatory style impressed some but irritated others.
C2 noun /ˌdɛkləˈmeɪʃən/

declamation

Meaning
a formal speech delivered with rhetorical or dramatic effect
Example
Her declamation captivated the audience at the competition.
C2 adjective /dɪˈsɛnʃənt/

dissentient

Meaning
Expressing or holding opinions that are opposed to the majority or official view.
Example
Only a few dissentient voices were heard during the debate.
C2 noun /ˈdəʊ.lər/

dolor

Meaning
A state of great sorrow or distress.
Example
The nation was in deep dolor after the tragedy.
C2 adjective /daɪˈdæktɪk/

didactic

Meaning
Intended to teach, often with a moral lesson.
Example
The novel is not just entertaining but also didactic in nature.
C2 noun /dɪˈtrækʃən/

detraction

Meaning
The act of belittling or taking away from the value of something.
Example
Her constant detraction of others made her unpopular.
C2 noun /dɪˈsweɪʒən/

dissuasion

Meaning
The act of persuading someone not to take a course of action.
Example
Her dissuasion prevented him from making a bad investment.
C2 noun /ˈdæstərd/

dastard

Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
C2 noun /draɪ ˈmæŋgoʊ ˈpaʊdər/

Dry Mango Powder

Meaning
a tangy powder made from dried raw mangoes, used as a spice in Indian cuisine
Example
The chef sprinkled dry mango powder over the chaat for extra tanginess.
C2 adjective /dɪˈmoʊniˌæk/

demoniac

Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
C2 noun ˈdɒɡ.ɪd.nəs

doggedness

Meaning
Stubborn persistence in achieving something without giving up.
Example
His doggedness in pursuing his goals was inspiring.
C2 noun /dɪnt/

dint

Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
C2 adjective /dɪˈtɜːrmɪnət/

determinate

Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
C2 adjective /ˈdɪsəluːt/

dissolute

Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
C2 verb /drəˈɡuːn/

dragoon

Meaning
to force someone to do something through coercion or intimidation
Example
The manager tried to dragoon the team into working overtime.
C2 noun /ˌdeɪnuːˈmɒ̃/

denouement

Meaning
The final resolution or conclusion of a story, drama, or complicated situation.
Example
The novel's denouement was both surprising and satisfying.
C2 noun /ˌdɪʃəˈbiːl/

dishabille

Meaning
The state of being only partly or loosely dressed; casual or careless attire.
Example
She answered the door in a state of dishabille, wearing just a robe.
C2 adjective /daɪˈɒsɪsən/

diocesan

Meaning
relating to a diocese or the district under the supervision of a bishop in the Christian Church
Example
The diocesan council met to discuss church affairs.
C2 noun /dɪˈmeɪn/

demesne

Meaning
Land attached to a manor and retained for the owner's use.
Example
The castle was surrounded by its vast demesne.
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
C2 noun /dɪˈprævɪti/

depravity

Meaning
moral corruption; wickedness
Example
The film portrays the moral depravity of a corrupt society.
C2 noun /ˌdiːnəʊˈteɪʃən/

denotation

Meaning
The literal or primary meaning of a word, in contrast to the feelings or ideas that the word suggests.
Example
The denotation of the word 'rose' is a type of flower.
C2 adjective /ˈdæpəld/

dappled

Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
C2 verb /dɪˈkleɪm/

declaim

Meaning
to speak aloud in a formal, passionate, or theatrical way
Example
The actor declaimed his lines with great intensity.
C2 adjective /ˈdəʊl.səm/

dolesome

Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
C2 adjective /dɪˈstɛnsəbl̩/

distensible

Meaning
Capable of being stretched or expanded.
Example
The stomach is a distensible organ that can expand after eating.
C2 noun /ˌdaɪ.jʊˈret.ɪk/

diuretic

Meaning
A substance that promotes the production of urine.
Example
Coffee has a mild diuretic effect.
C2 adjective /ˈdæpər/

dapper

Meaning
Neat, stylish, and well-dressed in appearance.
Example
He looked very dapper in his new suit.
C2 verb /dɪsˈmɛmbər/

dismember

Meaning
to cut or tear the limbs from a body; to divide into separate parts
Example
The king ordered his enemies to be dismembered.
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
C2 verb /dɪˈfreɪ/

defray

Meaning
to provide money to pay the costs of something
Example
The grant will help defray the cost of education.
C2 noun /ˈdændi/

dandy

Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
C2 adjective /dɪsˈkɜrsɪv/

discursive

Meaning
Tending to digress or move from topic to topic; lengthy and rambling.
Example
His discursive style made the lecture hard to follow.
C2 adjective /ˈdɒdərɪŋ/

doddering

Meaning
Weak, shaky, or unsteady, especially due to old age.
Example
The doddering professor struggled to climb the stairs.
C2 noun /ˈdɪktəm/

dictum

Meaning
A formal pronouncement, authoritative statement, or maxim.
Example
The judge’s dictum clarified the principle of equality before the law.
C2 verb /ˌdɪsəˈbjuːz/

disabuse

Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
C2 noun /dɪsˈdʒʌŋkʃən/

disjunction

Meaning
A lack of connection between things; separation or disunity.
Example
There is a clear disjunction between theory and practice.
C2 verb /ˌdɒmɪˈnɪə/

domineer

Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
C2 noun /dɜːrdʒ/

dirge

Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
C2 noun /ˈdɛkəˌpɒd/

decapod

Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
C2 noun /ˈdɛkəˌɡɒn/

decagon

Meaning
A polygon with ten sides and ten angles.
Example
The geometry teacher drew a perfect decagon on the board.
C2 verb /dɪˈlæpɪdeɪt/

dilapidate

Meaning
To cause something, especially a building, to fall into ruin or disrepair.
Example
The abandoned house began to dilapidate over the years.
C2 noun /ˌdɪləˈtænt/

dilettante

Meaning
A person who takes up an art, activity, or subject merely for amusement, especially in a superficial way.
Example
He was dismissed as a dilettante in the art world because he lacked formal training.
C2 adjective /ˈdɔːnt.ləs/

dauntless

Meaning
Showing fearlessness and determination; brave and resolute.
Example
The dauntless soldier fought against all odds.
C2 adjective /dɪˈdjuːsəbl/

deducible

Meaning
able to be deduced; possible to be inferred
Example
The solution is deducible from the data provided.
C2 adjective /droʊl/

droll

Meaning
curious or unusual in a way that provokes dry amusement
Example
He had a droll sense of humor that made everyone laugh.