derivative
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C1 noun, adjective /dɪˈrɪvətɪv/

derivative

Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
B1 verb /dɪp/

dip

Meaning
to put something quickly into a liquid and take it out again
Example
She dipped her bread into the soup.
C1 noun dɛkˈstɛr.ɪ.ti

dexterity

Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
B2 verb /dreɪn/

drain

Meaning
to cause liquid to flow away from something; to remove liquid
Example
He drained the pasta before adding the sauce.
C1 adjective /ˈdɔːr.mənt/

Dormant

Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
B1 noun ˈdɪdʒ.ɪ.təl tuːlz

digital tools

Meaning
Electronic software and applications used for learning and educational purposes.
Example
Schools are integrating digital tools to enhance learning.
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 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.
C1 noun ˈdɛf.ər.əns

deference

Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
B1 noun /ˌdiː.enˈeɪ/

dna

Meaning
Deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Example
Scientists extracted DNA from the ancient bones.
B1 verb /daɪn/

dine

Meaning
to eat a meal, especially the main meal of the day
Example
We usually dine at seven o'clock in the evening.
B1 verb /dɪɡ/

dig

Meaning
to break up and move earth with a tool or machine, or with hands, paws, etc.
Example
They decided to dig a hole for the new tree.
C1 adjective /ˈdraʊ.zi/

Drowsy

Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
B2 noun /ˌdɪsɪnˈfɛktənt/

disinfectant

Meaning
a chemical substance used to kill harmful microorganisms on surfaces
Example
The cleaner sprayed disinfectant on the table.
C1 noun /ˈderˌdevəl/

daredevil

Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
C1 adjective /dɪsˈdʒɔɪntɪd/

disjointed

Meaning
Lacking order, coherence, or connection; disconnected.
Example
The movie felt disjointed and hard to follow.
B2 noun /ˈdiː.lɪŋ/

Dealing

Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
B2 verb dɪˈspætʃt

dispatched

Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
A2 adverb /ˌdaʊnˈsteəz/

Downstairs

Meaning
on or to a lower floor of a building
Example
Please go downstairs and wait in the lobby.
B1 noun /ˈdɪstrɪkt/

district

Meaning
a specific area of a country, city, or town, often with official boundaries
Example
She lives in the northern district of the city.
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 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.
C1 noun /dɪˈmiːnər/

demeanor

Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
A1 noun /dɪˈsɛmbər/

december

Meaning
the twelfth and last month of the year in the Gregorian calendar
Example
December is usually cold in many countries.
C1 verb /dɪˈsɛnt/

dissent

Meaning
To hold or express opinions that are different from those officially accepted.
Example
Several members dissented from the majority decision.
A2 noun /ˈdaɪət/

diet

Meaning
the kinds of food that a person usually eats
Example
He follows a strict vegetarian diet.
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.
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
B2 adjective /dɪˈstrʌktɪv/

Destructive

Meaning
causing damage; harmful
Example
The hurricane was highly destructive to coastal areas.
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.
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.
B2 adjective /dɪˈfensɪv/

Defensive

Meaning
used or intended to defend or protect; showing a tendency to react in an angry or hurt way when criticized
Example
He became defensive when criticized about his work.
B2 adjective /dɪˈfɪnɪtɪv/

definitive

Meaning
serving as a final or most authoritative form; conclusive and decisive
Example
The committee reached a definitive agreement on the policy.
A2 noun /dɪˈzaɪnər/

designer

Meaning
a person who plans and creates the form or structure of something
Example
The fashion designer presented her new collection.
B2 verb /dɪˈmɪnɪʃ/

diminish

Meaning
to make or become less; to reduce in size, importance, or value
Example
Over time, his influence in the company began to diminish.
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 /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
B2 adverb /ˈden.sli/

densely

Meaning
In a closely compacted or crowded manner.
Example
The area is densely covered with trees.
C1 verb /dɪˈfaɪl/

defile

Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
C1 adjective /dɪˈfʌŋkt/

defunct

Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
C1 noun dɪˈtætʃ.mənt

detachment

Meaning
The state of being objective or aloof; not being emotionally involved.
Example
Buddhist philosophy encourages detachment from material desires.
C1 adjective /dɪˈplɔːrəbl/

deplorable

Meaning
deserving strong condemnation; shockingly bad in quality
Example
The refugees were living in deplorable conditions.
A2 noun /ˈdʌzən/

dozen

Meaning
a group of twelve
Example
She bought a dozen eggs from the market.
C1 adjective /ˈdek.stər.əs/

dexterous

Meaning
Showing or having skill, especially with the hands; mentally adroit and skillful.
Example
A dexterous programmer can write complex codes effortlessly.
C2 noun /draɪ ɡuːs ˈbɛri/

Dry goose berry

Meaning
dehydrated amla fruit, rich in vitamin C and used for medicinal and culinary purposes
Example
Dry goose berry powder is excellent for hair growth.
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.
C2 adjective /ˌdɪspjuːˈteɪʃəs/

disputatious

Meaning
fond of or given to argument and debate
Example
His disputatious nature often led to heated conversations.
C2 noun /ˈdrækmə/

drachma

Meaning
The basic monetary unit of Greece before the adoption of the euro.
Example
The old coin collection included a silver drachma.
C1 verb /dɪˈfeɪs/

deface

Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
C2 noun /dɪˈkæmɪtər/

decameter

Meaning
A metric unit of length equal to ten meters.
Example
The field was measured in decameters for accuracy.
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.
B2 verb /drɪft/

drift

Meaning
to move slowly, especially by air or water currents
Example
The boat began to drift away from the shore.
C1 adjective /dɪˈmɪnjətɪv/

diminutive

Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
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.
C2 verb /djuːp/

dupe

Meaning
To deceive or trick someone into believing or doing something.
Example
He was duped into buying a fake watch.
C1 noun dɪˈskrep.ən.siz

discrepancies

Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
B2 adverb /drəˈmætɪkli/

dramatically

Meaning
in a sudden, striking, or exaggerated way
Example
Sales increased dramatically after the campaign.
B2 adjective /dɪˈvɔːrst/

divorced

Meaning
No longer married because the marriage has been legally dissolved.
Example
She has been divorced for five years.
C2 verb /dɪˈspɔɪl/

despoil

Meaning
To steal or violently remove valuable possessions from a place.
Example
The invaders despoiled the village during the war.
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.
C1 noun /dɪsˈɪntrəst/

disinterest

Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
A1 adverb /daʊn/

down

Meaning
from a higher to a lower position
Example
He walked down the stairs slowly.
C1 verb /diːˈfjuːz/

defuse

Meaning
To make a situation less dangerous, tense, or explosive; to remove a fuse from a bomb.
Example
The negotiator helped defuse the tense situation.
B2 adjective /dɪˈfektɪv/

Defective

Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
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 /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.
C1 noun /dɪˈpɑːzətɔːri/

depository

Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
B2 adjective /dɪˈbeɪtəbl̩/

debatable

Meaning
open to discussion or doubt; not certain
Example
It is debatable whether the policy will work.
C1 noun /draɪ fɪʃ/

Dry fish

Meaning
fish that has been preserved by drying in the sun or by other dehydration methods
Example
Dry fish is a popular preserved food in many coastal regions.
B1 noun /ˈdrɛsɪŋ/

dressing

Meaning
a sauce for salads; or material used to cover a wound
Example
She prepared a delicious salad with Italian dressing.
C1 verb /dɪˈmiːn/

demean

Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
C1 adjective /ˈdwɪndlɪŋ/

dwindling

Meaning
Gradually reducing in number, size, or strength.
Example
The villagers relied on dwindling water supplies.
A2 verb /der/

dare

Meaning
to have courage to do something; to challenge someone
Example
I dare you to jump into the pool.
C2 noun /ˈdaɪɡræf/

digraph

Meaning
A pair of letters representing a single sound, such as 'sh' in 'ship'.
Example
In the word 'phone', the letters 'ph' form a digraph.
C1 verb /ˈdæb.əl/

dabble

Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
C2 verb /ˈdɒɡmətaɪz/

dogmatize

Meaning
To state opinions or beliefs as if they were absolute truths.
Example
The professor tended to dogmatize on political issues.
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
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.
C2 verb /ˈdʌmfaʊnd/

dumbfound

Meaning
to greatly astonish or shock someone so they are temporarily speechless
Example
The magician's trick dumbfounded the audience.
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.
C1 noun daɪˈkɒtəmi

dichotomy

Meaning
A division or contrast between two things that are or are represented as being opposed or entirely different.
Example
The dichotomy between tradition and modernity is often debated.
B2 verb /daɪˈvɜːrt/

divert

Meaning
to turn aside from a course; to redirect or entertain
Example
The police diverted traffic to a side road.
C2 adjective /daɪˈvɜːrtɪbəl/

divertible

Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
B2 adjective /dɪsˈɡʌstɪd/

disgusted

Meaning
feeling a strong sense of dislike or revulsion
Example
She was disgusted by the way he treated the animals.
B2 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
A2 verb /dɪˈpend/

depend

Meaning
to rely on someone or something for support
Example
Children depend on their parents for care.
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.
C1 verb /dɪˈtɛst/

detest

Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
C2 verb /dɪsˈkaʊntənəns/

discountenance

Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
B1 adjective /ˈdiː.teɪld/

detailed

Meaning
Having many details; very thorough.
Example
The report provided a detailed analysis of the situation.
A2 adjective/adverb /ˈdeɪli/

daily

Meaning
happening every day
Example
She reads the newspaper daily.
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 /ˈdaɪˌsɪləbəl/

disyllable

Meaning
a word consisting of two syllables
Example
The word 'happy' is a disyllable.
B2 verb /dɪsˈtʃɑːrdʒ/

discharge

Meaning
to release or dismiss from duty; to emit or give off
Example
The hospital will discharge the patient tomorrow.
C1 verb /ˈdæmpən/

dampen

Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
B1 verb /dɪsˈtrɪbjuːt/

distribute

Meaning
to give out or spread something among several people or places
Example
The teacher will distribute the test papers.
B2 verb, noun /dɑːrt/

dart

Meaning
to move suddenly and quickly; a small pointed missile thrown at a target
Example
The cat darted across the street to avoid the car.
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.
A2 noun dɪˈskrɪpʃən

description

Meaning
A spoken or written account of a person, object, or event.
Example
His description was vivid.
C1 noun /dɪˈspɜːrʒən/

dispersion

Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
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.
B2 adjective /dɪˈsaɪsɪv/

decisive

Meaning
Having the ability to make decisions quickly and effectively; determining the outcome.
Example
Her decisive action saved the company from collapse.
C2 adjective /ˈdjuːtiəs/

duteous

Meaning
dutiful; obedient and respectful
Example
The duteous child always followed her parents’ instructions.
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.
B1 noun /dɪˈsɪʒənˌmeɪkɪŋ/

decision-making

Meaning
the process of making decisions, especially important or business-related decisions
Example
The CEO's decision-making was crucial for the success of the company.
C2 verb /ˈdɔːd(ə)l/

dawdle

Meaning
to waste time by being slow or idle
Example
Stop dawdling and finish your homework.
C2 adjective /daɪˈɜːrnəl/

diurnal

Meaning
active during the day; occurring daily
Example
Most birds are diurnal creatures, active in daylight hours.
B2 noun daɪˈvɜːsɪti

diversity

Meaning
The state of being diverse; variety.
Example
Biodiversity promotes ecosystem stability and resilience.
C2 adjective /dɪˈstreɪ/

distrait

Meaning
deeply distracted or absent-minded, often due to worry or grief
Example
He looked distrait after hearing the sad news.
C1 verb /dɪˈmoʊt/

demote

Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

Meaning
the action of fixing the boundary or limits of something; separation or division
Example
The demarcation between public and private land was clearly marked.
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 /ˈdɒktrɪn/

doctrine

Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
C2 adjective /ˌdɪskəmˈbɑːbjuleɪtɪd/

discombobulated

Meaning
confused and disoriented; feeling unsettled
Example
She looked discombobulated after hearing the unexpected news.
A1 noun /dɔːr/

Door

Meaning
a movable barrier used to close an entrance to a building or room
Example
Please close the door when you leave the room.
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.