demonstrator
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C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
B1 adjective /def/

Deaf

Meaning
unable to hear; having a hearing impairment
Example
The deaf child learned to communicate using sign language.
C1 noun ˌdɪs.ɪnˈfek.ʃən

disinfection

Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
C2 noun /ˈdɛftnəs/

deftness

Meaning
Skillfulness and quickness in action or thought.
Example
Her deftness with words impressed the audience.
C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

Meaning
A reduction in the size, extent, or importance of something; decrease.
Example
There has been a diminution in air pollution.
B2 noun /ˈdef.ə.sɪt/

Deficit

Meaning
the amount by which something is too small; a shortfall or lack
Example
The government faced a budget deficit of millions due to increased spending.
C2 adjective /dɪsˈkɒnsələt/

disconsolate

Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
B2 adjective /dɪˈtætʃt/

detached

Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
C1 adjective /dræb/

drab

Meaning
Dull, lacking brightness or interest; monotonous.
Example
The room looked drab with its gray walls and dim lighting.
B2 adverb dɪˈlɪb.ər.ət.li

deliberately

Meaning
Consciously and intentionally; on purpose.
Example
The actions were deliberately planned to cause harm.
B2 noun /ˈder.ɪŋ/

Daring

Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
C1 noun /diːˈkrɪp.ʃən/

decryption

Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
C2 verb /dɪˈnɒmɪˌneɪt/

denominate

Meaning
to give a name or designation to something
Example
The currency was denominated in dollars.
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
B2 noun ˈdɪdʒɪtəl ˈfɔːrmæt

Digital Format

Meaning
A format in which information is stored as electronic data.
Example
A digital format family tree can be shared online.
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 /dɪˌlæpɪˈdeɪʃən/

dilapidation

Meaning
The state of disrepair or ruin as a result of neglect.
Example
The old temple was in a state of dilapidation.
C1 adjective /dɪˈskriːt/

discrete

Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
C1 noun ˈdɪskɔrd

discord

Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
A1 noun /ˈdɒlər/

dollar

Meaning
The basic monetary unit of the United States and some other countries
Example
I need five dollars to buy this book.
C2 verb /dɪsˈkaʊntənəns/

discountenance

Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
A2 noun /ˈdrɔːər/

drawer

Meaning
a box-shaped storage compartment that slides in and out of furniture
Example
She kept her jewelry in the top drawer of the dresser.
C2 adjective /ˌdaɪəˈkrɪtɪkəl/

diacritical

Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
C1 noun /ˌdɛfəˈmeɪʃən/

defamation

Meaning
the act of damaging someone's reputation by making false statements
Example
The newspaper was sued for defamation of character.
B2 noun /diˈoʊ.dər.ənt/

Deodorant

Meaning
a substance that removes or conceals unpleasant smells, especially bodily odors
Example
She applied deodorant before going to the gym to stay fresh during workout.
B2 verb /dɪˈvoʊt/

devote

Meaning
to give time, effort, or resources to something
Example
She devotes much of her time to helping the poor.
C2 adjective /dɪˈtɜːrmɪnət/

determinate

Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
C1 noun /ˌdɛrɪˈveɪʃən/

derivation

Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
C2 noun /ˈdɛntɪfrɪs/

dentifrice

Meaning
a substance such as powder, paste, or liquid used to clean teeth
Example
He bought a new herbal dentifrice from the pharmacy.
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
C1 verb /dɪˈfrɔːd/

defraud

Meaning
to illegally take money or valuables from someone by deception
Example
The company was accused of trying to defraud investors.
C1 noun /ˈdeɪˌbreɪk/

daybreak

Meaning
The time in the morning when daylight first appears; dawn.
Example
They set out on their journey at daybreak.
C1 verb /doʊt/

dote

Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
A2 noun /ˈdɒlfɪn/

Dolphin

Meaning
A highly intelligent marine mammal with a streamlined body and dorsal fin
Example
Dolphins are known for their playful behavior and intelligence.
C1 adjective /dɪˈklærətɪv/

declarative

Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
C2 verb /dɔːb/

daub

Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
C2 verb /ˌdɪskəmˈpoʊz/

discompose

Meaning
To disturb the order or calmness of something or someone.
Example
The unexpected question seemed to discompose her.
C1 noun /ˌdɒmɪˈneɪʃən/

domination

Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
A2 noun dɪˈskrɪpʃən

description

Meaning
A spoken or written account of a person, object, or event.
Example
His description was vivid.
A2 adjective, noun /dɛd/

dead

Meaning
No longer alive; the end of life.
Example
The old tree is completely dead.
C2 verb /dɪˈtruːd/

detrude

Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

Meaning
dried chili peppers used as spice for adding heat to food
Example
The recipe calls for two dry chillies to make it spicy.
C1 noun /djʊˈrɛs/

duress

Meaning
threats, violence, or pressure used to force someone to do something
Example
She signed the contract under duress.
B2 noun /ˈdeb.riː/

debris

Meaning
Scattered pieces of waste or remains.
Example
Debris in the eyes causes irritation.
B1 verb /dɪˈnaɪ/

deny

Meaning
to refuse to accept or admit something; to declare something untrue
Example
He denied stealing the money.
C1 verb /diːm/

deem

Meaning
to regard or consider in a specified way
Example
The project was deemed a success by the board.
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
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.
C1 adverb /ˈduːli/

Duly

Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
C1 noun /ˌdɛtəˈneɪʃən/

detonation

Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
B2 adjective /ˌdɪsəˈɡriːəbl/

disagreeable

Meaning
Unpleasant or offensive; causing discomfort or annoyance.
Example
The weather was cold and disagreeable.
C1 verb /dɪˈspɛns/

dispense

Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
A2 verb /ˌdɪsəˈɡriː/

disagree

Meaning
to have a different opinion; to not agree
Example
I disagree with your assessment of the situation.
C2 adjective /ˈdɛdˌpæn/

deadpan

Meaning
Deliberately impassive or expressionless in manner.
Example
She delivered the joke in a completely deadpan voice.
A1 noun /ˈdɪnər/

Dinner

Meaning
the main meal of the day, typically eaten in the evening
Example
The family gathered for dinner at 7 PM.
C1 noun /dɪˈlɪriəm/

delirium

Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
A2 verb /draɪv/

drive

Meaning
to control and move a vehicle; to force someone to move
Example
I will drive to work tomorrow morning.
C2 noun dɪsˈbɜːs.mənt

disbursement

Meaning
The payment of money from a fund.
Example
The company's disbursement of salaries was delayed.
B2 adjective /dɪˈzɜːrtɪd/

deserted

Meaning
Empty of people; abandoned.
Example
The village looked completely deserted after the storm.
C2 verb /dɪˈkænt/

decant

Meaning
To pour liquid gently from one container into another, especially without disturbing the sediment.
Example
She carefully decanted the wine into a clean glass.
B2 adjective /dɪˈraɪvd/

derived

Meaning
Developed or obtained from something else; not original.
Example
The word is derived from Latin.
C1 noun /ˌdiːˈmer.ɪt/

Demerit

Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
B1 adjective dəˈmes.tɪk

domestic

Meaning
Existing or occurring inside a particular country; not foreign or international.
Example
Domestic investments stabilize the economy.
C1 noun /dɪˈluːʒən/

delusion

Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
C1 verb /druːp/

droop

Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
C1 adjective /ˈdaʊn.kæst/

downcast

Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
C1 noun /doʊ/

doe

Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
A1 verb /drɪŋk/

drink

Meaning
to take liquid into the mouth and swallow it
Example
I drink water every morning.
C2 noun /doʊˈniː/

donee

Meaning
A person who receives a gift or donation.
Example
The scholarship fund’s donee expressed heartfelt gratitude.
C1 noun/verb /dɪsˈkwaɪət/

disquiet

Meaning
A feeling of worry or unease; to make someone feel anxious or uneasy.
Example
The strange silence filled the room with disquiet.
B2 noun /dwɔːrf/

dwarf

Meaning
a person, animal, or plant much smaller than average
Example
Snow White lived with seven dwarfs.
B1 noun /dɪˈbeɪt/

Debate

Meaning
a formal discussion of opposing viewpoints; argument with reasoned points
Example
The political debate lasted for three hours with passionate arguments.
C1 adjective /ˈdaʊ.ər/

dour

Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
B2 noun /ˈdʌbəl ˈdekər/

Double decker

Meaning
a bus with two levels or floors for passengers
Example
The red double decker bus is a famous symbol of London.
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.
C1 adjective /ˈdɒdʒi/

Dodgy

Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
B2 verb /ˌdaɪəɡˈnoʊz/

diagnose

Meaning
To identify a disease, condition, or problem by examining symptoms.
Example
The doctor diagnosed him with pneumonia.
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
A2 adjective /ˈdeɪndʒərəs/

dangerous

Meaning
likely to cause harm or injury; unsafe
Example
Driving fast on icy roads is dangerous.
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
B2 noun /ˈdeɪ.tə briːtʃ/

data breach

Meaning
Unauthorized disclosure of sensitive information through security violation
Example
A data breach exposed millions of users' passwords.
B2 noun /ˈdɛpjʊti/

deputy

Meaning
A person appointed as a substitute with power to act.
Example
The deputy will lead the meeting in the manager’s absence.
B2 verb dɪsˈrʌpt

disrupt

Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
C1 verb /dɔːnt/

daunt

Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
B2 adjective /dɪˈvaɪn/

Divine

Meaning
heavenly; sacred; godlike; relating to God or a deity
Example
The divine beauty of the sunset took their breath away.
C2 adjective /dɪˈrɪzəbl/

derisible

Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
B2 noun/verb /dræft/

draft

Meaning
A preliminary version of a piece of writing; to prepare a preliminary version of a document.
Example
She finished the first draft of her novel.
C1 noun /dɪˈsiːt/

Deceit

Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
A2 noun /dɪˈlɪv.ə.ri/

Delivery

Meaning
the action of delivering letters, parcels, or goods; the process of giving birth
Example
The delivery of the package was delayed due to bad weather conditions.
B1 verb /dæm/

damn

Meaning
to condemn or criticize strongly; used as an expletive to express anger or emphasis
Example
He damned the unfair system in his speech.
B2 adjective /ˈded.li/

Deadly

Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
A1 noun /dɛsk/

desk

Meaning
a piece of furniture with a flat surface used for writing or working
Example
The books are on the desk.
A2 noun /drʌm/

Drum

Meaning
a percussion instrument typically made of a hollow cylinder with a membrane stretched over one or both ends
Example
The drummer kept perfect time on his drum kit.
B2 verb /ˈdɛzɪɡneɪt/

designate

Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
C2 verb /dɒf/

doff

Meaning
to take off an item of clothing, especially a hat, as a sign of respect
Example
He doffed his hat as the procession passed.
C1 adjective /dɪˈbeɪst/

debased

Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
B2 verb /dɪˈfaɪ/

defy

Meaning
to openly resist or refuse to obey someone or something; to challenge or dare someone to do something
Example
The protesters continued to defy the government's ban on public gatherings.
A2 adjective /ˈdɜː.ti/

Dirty

Meaning
not clean; covered with dirt; unpleasant; morally corrupt
Example
The kitchen was dirty after cooking.
C2 verb /ˈdʌv.teɪl/

dovetail

Meaning
to fit or combine perfectly together
Example
Her plans dovetail perfectly with our goals.
C1 verb /dɪsˈlɒdʒ/

dislodge

Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
C1 adjective /dɪˈspɜːrst/

dispersed

Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
B2 noun, verb /ˈdɪskɔːrs/

discourse

Meaning
Written or spoken communication or debate.
Example
The professor gave a discourse on ancient philosophy.
C1 verb /dɪˈfeɪm/

defame

Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
B2 noun /ˌdɛm.əˈɡræf.ɪks/

Demographics

Meaning
Statistical data relating to the population and particular groups within it.
Example
Demographics help in targeted advertising.
C2 noun /ˌdɪsəˈvaʊəl/

disavowal

Meaning
the denial of any responsibility, connection, or support
Example
The politician issued a firm disavowal of the controversial remarks.
B2 noun /ˈdrɔː.bæk/

Drawback

Meaning
a feature that renders something less acceptable; a disadvantage or problem
Example
The main drawback of living in the city is the high cost of housing.
C1 noun /ˈduːmz.deɪ/

Doomsday

Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
B2 verb /dɪˈtætʃ/

detach

Meaning
to separate or remove something from something else
Example
She detached the page from the notebook.
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
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.
C1 verb /dɪˈsɛləˌreɪt/

decelerate

Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
A2 noun /ˈdaɪnɪŋ/

dining

Meaning
the act of eating a meal, especially in a formal setting
Example
We enjoyed fine dining at the new restaurant.
B2 verb /daɪˈdʒest/

digest

Meaning
to break down food in the body; to think about and understand
Example
It takes time to digest a heavy meal.
C1 noun /ˌdiːpɔːrˈteɪʃən/

deportation

Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
B1 verb /dɪˈklɛər/

declare

Meaning
To announce something formally or officially.
Example
The government declared a state of emergency.
B2 noun /dɪˈpen.dəns/

Dependence

Meaning
the state of relying on or needing someone or something for support; addiction
Example
His dependence on technology made it difficult for him to work without internet.
B1 adjective /ˈdefɪnət/

Definite

Meaning
clearly stated or decided; not vague or uncertain; specific
Example
We need a definite answer by tomorrow.