mutate
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C1 verb /ˈmjuːteɪt/

mutate

Meaning
To change or cause to change in form, nature, or character.
Example
The virus can mutate into a more dangerous strain.
A2 adjective /ˈwʊdən/

wooden

Meaning
made of wood
Example
The house had beautiful wooden floors.
C1 noun /ˈtrɪŋkɪt/

trinket

Meaning
a small ornament or piece of jewelry that is not expensive
Example
She bought a little trinket from the beach market as a souvenir.
B2 verb /ˌmænjʊˈfæktʃər/

manufacture

Meaning
to produce goods in large quantities using machinery; to make or create something
Example
The company manufactures electronic devices for global markets.
B2 noun /ˌvɛrɪfɪˈkeɪʃən/

verification

Meaning
The process of establishing the truth, accuracy, or validity of something.
Example
The bank requires verification of identity before opening an account.
A2 adjective /duː/

Due

Meaning
owed as a debt; expected at a certain time; scheduled
Example
The assignment is due tomorrow.
B2 adverb /ˈmɪərli/

merely

Meaning
Only; nothing more than.
Example
She was merely trying to help.
A2 noun /ˈmænɪdʒər/

manager

Meaning
a person responsible for controlling or administering an organization or group of staff
Example
The manager approved the new project plan.
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
C2 noun /ˌhɜːrpəˈtɒlədʒɪst/

herpetologist

Meaning
A scientist who studies reptiles and amphibians.
Example
The herpetologist discovered a new species of frog in the rainforest.
C1 verb /ɪɡˈzuːd/

exude

Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
A2 noun /ˈweɪtrəs/

waitress

Meaning
a woman who serves food and drinks to customers in a restaurant or café
Example
The waitress took our order with a friendly smile.
B2 adjective ˈstrʌktʃərəl

structural

Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
B2 adjective /hɑːrʃ/

Harsh

Meaning
unpleasantly hard or rough in texture; cruel or severe
Example
The teacher gave harsh criticism about my work.
C1 noun /ˈkæpɪˌlɛri/

capillary

Meaning
a very thin blood vessel that connects arteries and veins
Example
Oxygen passes from the blood into tissues through capillaries.
C2 noun /əˈpɜːrtənənsɪz/

appurtenances

Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
C1 noun /rɪˈmɛmbrəns/

remembrance

Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
A2 verb /ˈloʊər/

lower

Meaning
to move something to a lower position or to reduce
Example
The company decided to lower the prices.
A1 adjective /stɪl/

still

Meaning
not moving or making a sound
Example
The water was still, reflecting the sky.
B2 noun ˈsʌbstɪˌtut

substitute

Meaning
A person or thing acting or serving in place of another.
Example
Money cannot be a substitute for genuine happiness.
C2 adjective /dɪˈkrɛpɪt/

decrepit

Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
B2 noun /ˈpɜr.mə.nəns/

Permanence

Meaning
the state or quality of lasting or remaining unchanged indefinitely; enduring nature
Example
The permanence of the stone monument impressed all visitors.
B2 adjective /bɪˈkʌmɪŋ/

becoming

Meaning
attractive, suitable, or flattering to the wearer or situation
Example
That dress is very becoming on her.
B1 noun /ˈtʃæptər/

chapter

Meaning
A main division of a book or a period in someone's life.
Example
I just finished the first chapter of the novel.
B2 noun ˌæl.ɪˈɡeɪ.ʃənz

allegations

Meaning
Claims or assertions that someone has done something illegal or wrong, typically without proof.
Example
The allegations were investigated by an international body.
A2 noun /ˈɛndʒɪn/

engine

Meaning
A machine designed to convert energy into mechanical power.
Example
The car's engine failed on the highway.
B2 noun /ˈfaʊn.tən/

Fountain

Meaning
a natural spring of water; an artificial structure from which water flows
Example
The fountain in the park attracts many visitors.
B2 adverb /ʌnˈdaʊtɪdli/

undoubtedly

Meaning
without a doubt, certainly
Example
He is undoubtedly the best player on the team.
A1 verb /ˈiːtɪŋ/

eating

Meaning
the act of consuming food
Example
They were eating dinner when the phone rang.
C1 adjective /ˈwer.i/

Wary

Meaning
cautious; careful to avoid danger or problems
Example
She was wary of strangers approaching her at night.
C1 noun /ˈsɜːrəɡət/

surrogate

Meaning
A substitute, especially a person deputizing for another in a specific role or office.
Example
The surrogate mother gave birth to the child after carrying it for nine months.
A2 adverb /wenˈevər/

Whenever

Meaning
at any time that; every time that; no matter when
Example
Call me whenever you need help.
C2 adjective /ɡlɪb/

glib

Meaning
speaking easily but without sincerity or depth
Example
The politician gave a glib answer to a serious question.
C1 noun ˌprəʊ.baɪˈɒt.ɪk

probiotic

Meaning
Live microorganisms that provide health benefits when consumed in adequate amounts.
Example
Yogurt is a natural source of probiotics that aid digestion.
C1 noun dɪˈtɜː.mɪ.nənt

determinant

Meaning
A factor that decisively affects the nature or outcome of something.
Example
Education is a key determinant of success.
C2 verb /lɔːd/

laud

Meaning
To praise someone or something highly, especially in public.
Example
The critic lauded the actor's performance as a masterpiece.
C2 verb /diːˈnæʃənəlaɪz/

denationalize

Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
B2 adjective /ˈlɪt.ər.ət/

Literate

Meaning
able to read and write; educated; well-educated
Example
She is a very literate person who reads extensively.
C2 noun, verb /ˌpæm.fləˈtɪər/

pamphleteer

Meaning
a person who writes or distributes pamphlets, often to promote a political or social cause
Example
In the 18th century, many pamphleteers influenced public opinion.
A2 noun, verb /ʃɒt/

shot

Meaning
a single attempt to hit something, usually with a weapon or a ball
Example
He took a shot at the goal.
A1 noun /ˈeɪprɪl/

april

Meaning
the fourth month of the year in the Gregorian calendar
Example
April is known for its pleasant spring weather.
C2 noun /ˈvɜːrbiɪdʒ/

verbiage

Meaning
Excessive use of words, often with little content or meaning; wordiness.
Example
The contract was filled with unnecessary legal verbiage.
B2 adjective /ˈsɜːdʒɪkəl/

surgical

Meaning
relating to or involving surgery
Example
She underwent surgical treatment to repair the damage.
B2 noun /kəˈlɛstərɒl/

cholesterol

Meaning
a fatty substance found in the blood, high levels of which can cause health problems
Example
High cholesterol can increase the risk of heart disease.
C2 noun /ɛmˈpɪrɪˌsɪzəm/

empiricism

Meaning
the theory that all knowledge is derived from sense-experience
Example
Empiricism argues that knowledge comes from experience and observation.
C1 verb /kɜːrˈteɪl/

curtail

Meaning
to reduce or limit something, especially something considered undesirable
Example
The company had to curtail its spending due to budget cuts.
C1 adjective /ˌəʊ.vərˈɑː.tʃɪŋ/

overarching

Meaning
Comprehensive or all-embracing; forming an arch over something.
Example
The overarching theme of the book is human resilience.
C2 noun /ˈlɔːndrəs/

laundress

Meaning
A woman whose job is washing clothes and linens.
Example
The laundress delivered the freshly cleaned clothes to the household.
B1 noun ˈtʃɑː.dʒɪŋ

charging

Meaning
The process of supplying electrical energy to recharge a battery or power source.
Example
Electric vehicle charging stations are increasing in cities.
A1 noun /ˈpɑːti/

party

Meaning
a social gathering of people, typically for entertainment
Example
We had a great time at the birthday party.
A2 noun /pɛt/

pet

Meaning
a domesticated animal kept for companionship or pleasure
Example
My dog is my favorite pet.
A1 adjective /ɡriːn/

Green

Meaning
of a color intermediate between blue and yellow in the spectrum; colored like grass or emeralds
Example
The green leaves on the trees look fresh after the rain.
A2 noun əˈpɔɪnt.mənts

appointments

Meaning
An arrangement to meet someone at a particular time and place; the action of assigning a job or role to someone.
Example
Government appointments follow meritocracy.
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
B2 adjective /ˈkɔːstli/

costly

Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
A1 verb /bʌt/

but

Meaning
to hit or push with the head or horns; to strike forcefully
Example
The goat butted against the fence.
B2 noun /ˈsmɑːrt.nəs/

Smartness

Meaning
intelligence; cleverness; neat and fashionable appearance
Example
Her smartness in solving problems impressed everyone.
C2 verb /ˌmæn.juˈmɪt/

manumit

Meaning
to release from slavery or servitude; to set free
Example
The landowner decided to manumit his slaves.
C1 verb /splaɪs/

splice

Meaning
to join two pieces of rope, film, or other material by weaving or attaching them together
Example
The technician spliced the two wires to restore the connection.
C2 verb /kənˈdjuːs/

conduce

Meaning
To help bring about a particular result; to contribute to something.
Example
Regular exercise conduces to better health.
C2 noun /prəˈpɪŋkwɪti/

propinquity

Meaning
the state of being close to someone or something; proximity
Example
The propinquity of their houses made them close friends.
C1 noun /əˈtjuːn.mənt/

attunement

Meaning
Being in harmony or responsive to someone's emotional state.
Example
Attunement to emotions improves relationships.
C1 adjective /kənˈsɜːrtɪd/

concerted

Meaning
done with great effort, planned and performed together by multiple people
Example
The workers made a concerted effort to improve conditions.
B2 verb /ɪˈnɪʃieɪt/

initiate

Meaning
to begin or start; to introduce someone to a new activity
Example
The company will initiate a new training program.
C2 adjective /ˈvɪnsəbl/

vincible

Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
C2 noun /proʊˈskrɪp.ʃən/

proscription

Meaning
the act of forbidding something, especially by law
Example
The proscription of child labor is an important human rights achievement.
C1 noun /mɒb/

Mob

Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
A1 adjective /tʃiːp/

Cheap

Meaning
low in price; costing little money
Example
This restaurant serves cheap but delicious food.
C1 adjective /ˈɒm.ɪ.nəs/

Ominous

Meaning
giving the impression that something bad will happen; threatening; foreboding
Example
The dark clouds looked ominous before the storm.
B2 noun /ˈʌndərˌteɪkɪŋ/

undertaking

Meaning
A task, project, or responsibility that someone agrees to do.
Example
Starting a new company is a difficult undertaking.
B2 noun /ˈfræk.ʃən/

Fraction

Meaning
a numerical quantity that is not a whole number; a small or tiny part of something
Example
Only a small fraction of the population voted in the local election.
A1 numeral /θriː/

three

Meaning
the number equivalent to the sum of two and one
Example
She has three dogs at home.
B2 adjective /ˈɡlɪt.ər.ɪŋ/

Glittering

Meaning
shining with bright light; sparkling; brilliant;
Example
The glittering stars filled the clear night sky.
B2 adjective /ˈtaɪərləs/

tireless

Meaning
Showing great effort or energy without becoming tired.
Example
She worked tirelessly to complete the project on time.
C1 verb /trænsˈɡrɛs/

transgress

Meaning
to go beyond the limits of a moral law, command, or boundary; to sin
Example
He apologized after realizing he had transgressed the community's rules.
B1 noun/verb /hɪnt/

hint

Meaning
a small piece of advice or suggestion; to suggest something indirectly
Example
She gave me a hint about the surprise party.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
B2 verb /stɜːr/

stir

Meaning
to mix or move something in a circular motion, especially in liquid
Example
She stirred the soup to make sure it didn't burn.
B2 noun /ˌʌnəˌveɪləˈbɪləti/

unavailability

Meaning
The state of being not available or not accessible.
Example
The unavailability of the manager caused a delay in the project.
A2 number /ˈfɪfti/

fifty

Meaning
the number 50
Example
The stadium can hold fifty thousand people.
A2 noun /tuːθ/

Tooth

Meaning
a hard white structure in the mouth used for biting and chewing food
Example
She brushes her teeth twice a day.
C1 noun, verb /buːz/

booze

Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
C2 noun /ˈsʌfrədʒɪst/

suffragist

Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
B2 verb /kənˈsiːl/

conceal

Meaning
to hide something or keep it secret
Example
He tried to conceal his disappointment behind a smile.
B2 verb /spɛər/

spare

Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
C1 verb /ˈvɛnəˌreɪt/

venerate

Meaning
to regard with great respect; revere
Example
People venerate saints for their holiness.
C1 adjective /ˈprɪvi/

privy

Meaning
having access to secret or private knowledge
Example
She was privy to the confidential discussions.
B2 adjective ɪkˈsep.ʃən.əl

exceptional

Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
A1 adverb /ðeər/

There

Meaning
in or at that place; to that place
Example
I will meet you there at 5 PM.
B1 noun /ˈsʌn.laɪt/

sunlight

Meaning
Direct light from the sun.
Example
Sunlight does not reach the abyssal depths of the ocean.
C1 noun /maɪt/

mite

Meaning
a very small creature, often a tiny arachnid; also used to mean a very small amount
Example
The mattress was infested with dust mites.
C1 noun /ɪnˈtruː.ʒən/

intrusion

Meaning
Unauthorized entry into a system or place without permission
Example
The company detected an intrusion in its server.
B2 adverb /ˈsɒftli/

softly

Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
B1 noun /ˈbʊt.ʃər/

Butcher

Meaning
a person whose job is cutting up and selling meat in a shop
Example
The butcher recommended the best cut of beef for our dinner.
C2 noun/verb /ˈkɜːrtsi/

curtsy

Meaning
a respectful bow made by women by bending the knees with one foot in front of the other
Example
She gave a quick curtsy before leaving the stage.
C1 adjective /ˈræmʃækəl/

ramshackle

Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
B2 adjective /ˈteɪst.ləs/

Tasteless

Meaning
lacking flavor; showing poor judgment in style
Example
The soup was completely tasteless and needed more seasoning.
C1 adjective /ˈtʌtʃi/

Touchy

Meaning
easily upset or offended; overly sensitive
Example
He's very touchy about his height.
C2 noun /ˈnæfθə/

naphtha

Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
C1 verb /ˈtɒpl/

topple

Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
A2 adverb /ˈtoʊtəli/

Totally

Meaning
completely; entirely; absolutely
Example
I totally agree with your opinion.
A1 noun /ˈsekənd/

second

Meaning
a unit of time equal to one sixtieth of a minute; also the position after first
Example
He finished the race in second place.
C2 adjective /ˈslʌvənli/

slovenly

Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
B2 verb /ˈtrɪɡər/

trigger

Meaning
To cause something to happen or start, often suddenly.
Example
The loud noise triggered the alarm system.
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
C2 noun /ˈaʊtˌrɪɡər/

outrigger

Meaning
a projecting structure on a boat, used for stability, or a boat fitted with such support
Example
The fisherman paddled his outrigger canoe across the lagoon.
C2 noun /ɪmp/

imp

Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
B1 noun /kənˈfjuː.ʒən/

Confusion

Meaning
lack of understanding; uncertainty; the state of being bewildered or unclear in one's mind
Example
There was confusion about the meeting time, so half the team arrived late.
A1 verb /əˈɡriː/

agree

Meaning
to have the same opinion; to consent; to be in harmony
Example
We all agree that the plan is excellent.
C1 adjective /ˈrɪkɪti/

rickety

Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
C2 noun /ˈdæstərd/

dastard

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

knowingly

Meaning
in a way that shows you are aware of something; intentionally
Example
She knowingly kept the secret from her friends.
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
B1 adjective /ˈskɪlfʊl/

Skilful

Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
B2 noun /ˈlæn.tərn/

Lantern

Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
C1 verb /ˈvɪktɪmaɪz/

victimize

Meaning
To make someone a victim, often by treating them unfairly or cruelly.
Example
The corrupt officials victimized the poor villagers.
C2 adjective /ˈkɒs.ɪ.tɪd/

cosseted

Meaning
pampered, treated with excessive care and attention
Example
The cosseted child always got what he wanted.