derive
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B2 verb /dɪˈraɪv/

derive

Meaning
To obtain something from a source.
Example
Many English words derive from Latin.
A2 noun /dɪˈsɪʒənz/

decisions

Meaning
A conclusion or resolution reached after consideration; the action or process of deciding something.
Example
Making the right decisions in time was key to the project's success.
C2 verb /dɪˈtruːd/

detrude

Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
B2 verb dɪˈspætʃt

dispatched

Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
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 adjective /dɪˈluːsɪv/

delusive

Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
C2 verb /dɪˈnjuːd/

denude

Meaning
to strip something of its covering, possessions, or assets
Example
The forest was denuded of trees by illegal logging.
C1 verb /daɪˈluːt/

dilute

Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
C2 noun /ˌdɪskwɪˈzɪʃən/

disquisition

Meaning
A long or elaborate discussion or written essay on a particular subject.
Example
The professor gave a lengthy disquisition on ancient philosophy.
B2 noun /ˈdiː.sən.si/

Decency

Meaning
behavior that conforms to accepted standards of morality or respectability
Example
She had the decency to apologize for her mistake immediately.
C1 verb /druːp/

droop

Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
C2 noun /ˌdɛkəˈsɪləbəl/

decasyllable

Meaning
A line of verse with ten syllables.
Example
The poet often wrote in decasyllable form.
A2 noun /ˈdeɪn.dʒər/

danger

Meaning
The possibility of harm, injury, or loss.
Example
The hikers were in great danger during the storm.
B1 noun /dɪˈstrʌk.ʃən/

Destruction

Meaning
the action or process of causing damage to something so that it no longer exists
Example
The earthquake caused widespread destruction throughout the entire city.
C1 noun /dɪn/

din

Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
B2 noun /dɪˈsen.dənt/

Descendant

Meaning
a person who is descended from a particular ancestor; offspring of a later generation
Example
She discovered that she was a descendant of European royalty through genealogy research.
B1 adjective ˌdem.əˈkræt.ɪk

democratic

Meaning
Relating to or supporting democracy or its principles.
Example
Democratic governance ensures equal rights.
C2 noun /ˈdɒldrəmz/

doldrums

Meaning
A state of inactivity, stagnation, or low spirits; also a region near the equator with calm winds.
Example
After the project failed, the team was stuck in the doldrums for months.
B2 noun /dɪˈvoʊ.ʃən/

Devotion

Meaning
love, loyalty, or enthusiasm for a person, activity, or cause
Example
Her devotion to helping others made her a beloved figure in the community.
B1 adjective dɪˈleɪd

delayed

Meaning
Late or postponed; happening later than planned or expected.
Example
The Artemis mission was delayed due to technical challenges.
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 /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 /ˈdæpəld/

dappled

Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
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.
C1 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
C1 noun /ˈdæn.drʌf/

Dandruff

Meaning
small white or grey flakes of dead skin that form on the scalp and fall from the hair
Example
He used a special shampoo to treat his persistent dandruff problem.
B2 noun /ˈdjuːəʊ/

duo

Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
B1 verb /dɪˈklɛər/

declare

Meaning
To announce something formally or officially.
Example
The government declared a state of emergency.
C2 verb /dɪsˈbɑːr/

disbar

Meaning
to officially remove a lawyer from the legal profession
Example
The corrupt lawyer was disbarred for unethical conduct.
C1 noun /ˈdrɪz.əl/

Drizzle

Meaning
light rain falling in very fine drops; a very light rainfall
Example
The gentle drizzle continued throughout the morning, making everything misty.
C1 adjective /ˈdaʊ.ər/

dour

Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
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.
C1 noun /ˈdiːvə/

diva

Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
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.
C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

Meaning
Fallen into disrepair or ruin due to neglect or age.
Example
The family lived in a dilapidated house at the edge of town.
A2 noun /drʌɡ/

drug

Meaning
a substance used as a medicine or an illegal addictive substance
Example
The doctor prescribed a new drug for the illness.
C2 verb /dɪsˈpɔːrt/

disport

Meaning
To amuse oneself in a lively or playful way.
Example
The children disported themselves in the garden.
C2 noun /dɪˈklɪvɪti/

declivity

Meaning
a downward slope of ground
Example
They carefully climbed down the declivity of the hill.
C1 noun /ˈdɪs.ə.nəns/

dissonance

Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
C2 noun /ˈdæstərd/

dastard

Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
C1 adjective /dæft/

daft

Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
C1 noun/verb /dɪsˈdeɪn/

disdain

Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
A1 noun /ˈdænsɪŋ/

dancing

Meaning
the activity of moving the body rhythmically to music
Example
They spent the evening dancing at the party.
B2 adjective /ˈdevəsteɪtɪŋ/

devastating

Meaning
causing severe shock, distress, or destruction; extremely damaging or upsetting
Example
The earthquake had a devastating effect on the city.
B2 verb /ˌdaɪəɡˈnoʊz/

diagnose

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

derogatory

Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
B1 adjective /dɪˈlaɪtɪd/

delighted

Meaning
feeling or showing great pleasure and happiness
Example
She was delighted with the surprise gift.
B1 verb /dɪˈfiːt/

Defeat

Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
B2 verb /dɪˈspoʊz/

dispose

Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
C1 verb /dɪˈspɛns/

dispense

Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
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.
C1 noun /dɪˈrɪʒən/

derision

Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
A1 noun /deɪts/

Dates

Meaning
sweet brown oval fruits that grow on date palm trees
Example
Dates are commonly eaten during Ramadan to break the fast.
C1 verb /ˈdɛsɪmeɪt/

decimate

Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
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 /dɪˈtrækt/

detract

Meaning
To reduce or take away the worth or value of something.
Example
His rude behavior will detract from his good reputation.
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 verb /dɪˈfoʊlieɪt/

defoliate

Meaning
to strip leaves from a tree, plant, or area, often using chemicals
Example
The farmers defoliated the fields before harvest.
C1 noun /ˌdaɪəˈrɑːmə/

diorama

Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
C2 noun /ˌdɛprɪˈdeɪʃən/

depredation

Meaning
An act of attacking or plundering; damage caused by such acts.
Example
The villagers feared the depredation of wild animals at night.
C1 verb /dɪˈmoʊt/

demote

Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
C2 adjective /dɪˈstɛnsəbl̩/

distensible

Meaning
Capable of being stretched or expanded.
Example
The stomach is a distensible organ that can expand after eating.
C1 verb /ˌdɪsəˈlaʊ/

disallow

Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
C2 adjective /ˌdɛl.ɪˈtɪə.ri.əs/

deleterious

Meaning
Causing physical or mental harm or damage.
Example
Smoking has deleterious effects on health.
B2 verb /dɪˈprɛs/

depress

Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
C1 verb /diːˈfɒrɪst/

deforest

Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
A2 noun /ˈdæn.sər/

Dancer

Meaning
a person who performs dance, typically as a profession or art form
Example
The dancer performed gracefully on the stage.
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.
B2 noun, verb /ˈdeɪ.bjuː/

debut

Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
B2 noun /droʊn/

Drone

Meaning
a male bee that does not work and whose only function is to mate with the queen
Example
The drone bees do not collect honey like worker bees.
C1 verb /dʌb/

dub

Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
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.
B2 noun /ˌdel.ɪˈɡeɪ.ʃən/

delegation

Meaning
A group of people chosen to represent others in negotiations or discussions.
Example
The delegation presented their country's agenda.
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.
C1 verb /dɪsˈkʌlər/

discolor

Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
C2 noun /ˈdɛkəˌɡɒn/

decagon

Meaning
A polygon with ten sides and ten angles.
Example
The geometry teacher drew a perfect decagon on the board.
B2 verb /ˈdæzəl/

dazzle

Meaning
to impress deeply or blind with brilliance or skill
Example
The magician's tricks dazzled the audience.
C2 adjective /dɛˈspɒtɪk/

despotic

Meaning
exercising power in a cruel, oppressive, or authoritarian way
Example
The king’s despotic rule left the people in misery.
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
C1 verb /drɛntʃ/

drench

Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
C1 noun /ˈdek.ə.dəns/

decadence

Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
B2 verb /dɪˈnaʊns/

denounce

Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
B2 adjective /dɪˌveləpˈmentl/

developmental

Meaning
relating to the process of growth or progress
Example
Early childhood is a crucial developmental stage for learning.
C1 verb /dɪsˈbænd/

disband

Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
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.
C1 verb /daɪˈvɜːrdʒ/

diverge

Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
B2 noun /diːp ˈkʌlər/

Deep colour

Meaning
a rich, intense, or dark shade of any color
Example
The artist used deep colours to create a dramatic effect.
C2 verb /dɪˈsɛvər/

dissever

Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
C1 noun /ˈdɛspətɪzəm/

despotism

Meaning
absolute power exercised in a cruel and oppressive way
Example
The people revolted against the era of despotism.
C1 verb /dɪsˈtrʌst/

distrust

Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
C1 adjective /ˈdjuːtɪfəl/

Dutiful

Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
C1 verb /dəˈmɛstɪkeɪt/

domesticate

Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
B2 noun /ˈdeb.ɪt/

Debit

Meaning
an entry recording an amount owed; money taken from a bank account
Example
The bank showed a debit of fifty dollars from my checking account.
A2 noun /ˈdeɪ.tə/

Data

Meaning
facts and statistics collected together for reference or analysis; information in digital form
Example
Scientists analyzed the data from thousands of experiments to reach their conclusion.
A1 noun /deɪ/

Day

Meaning
a period of twenty-four hours; the time during which there is light
Example
What a beautiful day it is today with clear blue skies!
A2 verb /diːl/

deal

Meaning
to distribute or give out something; to handle or manage
Example
He had to deal with many problems at work.
C2 prefix /dɪs-/

dys-

Meaning
A prefix meaning abnormal, bad, difficult, or impaired.
Example
Words like 'dysfunction' and 'dyslexia' use the prefix dys- to indicate difficulty or impairment.
C1 verb /dɪˈmiːn/

demean

Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
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 adjective /dɪˈɡreɪdɪd/

degraded

Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
B2 noun /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
C2 noun /ˈdoʊneɪtər/

donator

Meaning
A person who gives something, especially money or goods, as a donation.
Example
The donator wished to remain anonymous after contributing a large sum.
C1 noun ˈdɛtrɪ.mənt

detriment

Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
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.
A2 verb /drɔː/

draw

Meaning
to create pictures or designs with a pencil or pen
Example
She draws beautiful landscapes in her spare time.
A2 noun dɪˈvaɪs

device

Meaning
A thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.
Example
This device improves efficiency in data processing.
C2 noun /ˈdɔɪən/

doyen

Meaning
The most respected or prominent person in a particular field.
Example
He is regarded as the doyen of modern literature in the country.
A2 preposition /dɪˈspaɪt/

despite

Meaning
Without being affected by; in spite of.
Example
He continued his work despite the difficulties.
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.
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.
A2 noun /ˈdɪs.təns/

Distance

Meaning
the length of space between two points; remoteness in place, time, or relationship
Example
The distance between the two cities is approximately three hundred kilometers.
C1 noun/verb /ˈdiːkɔɪ/

decoy

Meaning
something or someone used to lure or mislead
Example
The hunters used a wooden duck as a decoy.
C1 adjective /dɪˈmɪnjətɪv/

diminutive

Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.