catalyst
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C1 noun ˈkætəlɪst

catalyst

Meaning
A person or thing that precipitates an event or change.
Example
His speech acted as a catalyst for change in the community.
C1 adjective /ˌɪrɪˈvɜːrsəbl/

irreversible

Meaning
Not able to be undone, changed, or reversed.
Example
The damage caused by the fire was irreversible.
A2 noun /ˈkær.ət/

Carrot

Meaning
a long pointed orange root vegetable that grows underground
Example
Carrots are rich in vitamin A.
B2 noun /ˈspætʃ.ʊ.lə/

Spatula

Meaning
a kitchen utensil with a flat, flexible blade used for mixing, spreading, or lifting food
Example
I used a spatula to flip the pancakes in the pan.
C2 adverb /ɪkˈstem.pɔːr/

Extempore

Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
C2 noun /ˌmɪsədˈvɛntʃər/

misadventure

Meaning
An unlucky accident, mishap, or unfortunate event.
Example
He broke his leg during a skiing misadventure.
B1 noun /ˈprɒp.ə.ti/

Property

Meaning
a building or land; something owned; a characteristic or quality
Example
They bought a beautiful property in the countryside.
B1 adjective /ˈmæsɪv/

Massive

Meaning
extremely large; huge in size or amount
Example
The company made a massive profit this year.
C1 noun /ˈkɒrənər/

coroner

Meaning
an official who investigates sudden, violent, or suspicious deaths
Example
The coroner determined the cause of death was natural.
B2 noun ˈænsɛstərz

Ancestors

Meaning
A person from whom one is descended; a forefather.
Example
The family tree shows the names of all ancestors.
C2 noun /ˈmæntl̩/

mantel

Meaning
A shelf above a fireplace, often used for decoration.
Example
She placed family photos on the mantel above the fireplace.
B1 noun /ˈwɪtnəs/

Witness

Meaning
a person who sees an event, typically a crime or accident; someone who gives evidence in a court of law
Example
The witness testified in court yesterday.
C1 noun /ˈbɪɡətri/

bigotry

Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
C1 noun /ˈtrɛʒərər/

treasurer

Meaning
a person responsible for managing the financial affairs of an organization
Example
The treasurer presented the annual financial report.
B2 verb /nɪˈɡlekt/

neglect

Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
C2 adjective /dʒərˈmeɪn/

germane

Meaning
Relevant and appropriate to the subject being considered.
Example
Her comments were not germane to the discussion.
B2 noun /ˈsɜːr.plʌs/

surplus

Meaning
An amount that is more than what is needed.
Example
The country has a surplus of food this year.
A1 verb /mʌst/

must

Meaning
to be required or obligated to
Example
You must complete your homework before you go out.
B2 noun /ˈwɜːrʃɪp/

Worship

Meaning
the feeling or expression of reverence and adoration for a deity; religious devotion and practice
Example
They gather every Sunday for worship.
C1 verb /dɪsˈpleɪs/

displace

Meaning
to force someone or something out of their usual or original position; to replace or substitute
Example
The new technology will displace many traditional manufacturing jobs.
C2 verb /ˌdɪsəˈvaʊ/

disavow

Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
C1 verb /bɪˈriːv/

bereave

Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
B2 noun /ˈɪm.pʌls/

Impulse

Meaning
a sudden strong and unreflective urge or desire to act; a driving force or motivation
Example
She bought the expensive dress on impulse and later regretted the purchase.
C1 adjective /ɪnˈveɪsɪv/

invasive

Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
B2 adjective /dɪˈstɪŋkt/

Distinct

Meaning
separate and different; clear and recognizable; unique
Example
Each painting has its own distinct style and character.
A1 noun /tʃaɪld/

child

Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
A2 verb /rɪŋ/

ring

Meaning
to make a clear sound like a bell; to call by telephone
Example
The bell rings every hour.
B1 noun /ˈsɜːvənt/

servant

Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
B1 adjective /ˈlaɪv.li/

Lively

Meaning
full of life and energy; animated; cheerful
Example
The children had a lively discussion about their favorite books.
C2 noun /ɡəˈruːlɪti/

garrulity

Meaning
Excessive talkativeness, especially about trivial matters.
Example
His garrulity made it hard to focus during the meeting.
B2 adjective /əkˈsel.ə.reɪ.tɪd/

accelerated

Meaning
Happening or developing faster than usual.
Example
The project progressed at an accelerated pace.
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 /tækˈsɒnəmɪst/

taxonomist

Meaning
A scientist who classifies organisms into groups based on their characteristics.
Example
The taxonomist discovered a new species of insect.
C2 verb /ruː/

rue

Meaning
To feel regret or sorrow about something.
Example
She will rue the day she trusted him.
B2 noun ˈbreɪk.θruː

breakthrough

Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
B1 noun /ˈætɪˌtjuːd/

attitude

Meaning
A settled way of thinking or feeling about someone or something, often reflected in behavior.
Example
Her positive attitude helped her overcome many challenges.
B2 noun /ɡrɪp/

Grip

Meaning
a firm hold or grasp; the power of holding something firmly; a handle or handhold
Example
The rock climber lost his grip and fell several feet before the safety rope caught him.
B2 noun /əˈreɪ/

array

Meaning
an impressive display or arrangement of things
Example
The shop displayed an array of colorful dresses.
C2 adjective /ˈruːbɪkənd/

rubicund

Meaning
Having a healthy reddish complexion.
Example
The old man’s rubicund face showed he was in good health.
C2 adjective /ɪnˈvaɪələt/

inviolate

Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
C1 noun /daɪˈvɜː.dʒəns/

divergence

Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
B1 noun /ˈfæn.si/

Fancy

Meaning
a feeling of liking or wanting something; imagination or fantasy
Example
The child had a fancy for becoming a famous astronaut when he grew up.
C2 verb /ˈfʌdəl/

fuddle

Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
C1 adjective /ʌnˈsaɪtli/

unsightly

Meaning
Unpleasant to look at; ugly.
Example
The garbage pile created an unsightly view in the park.
A2 adjective /skaɪ bluː/

Sky-blue

Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
B2 adverb /səˈfɪʃəntli/

sufficiently

Meaning
to an adequate degree or extent
Example
She studied sufficiently to pass the exam.
A2 verb /faʊnd/

found

Meaning
to establish or create something; to discover
Example
They founded the company in 1995.
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
C2 noun /aɪər/

ire

Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
B1 noun dɪˈskʌvəriz

discoveries

Meaning
The action or process of finding or learning something for the first time; facts or things discovered.
Example
His discoveries revolutionized multiple fields.
C1 noun /fɪˈziːk/

physique

Meaning
the form, size, and development of a person's body
Example
He has an athletic physique due to years of training.
C2 noun /əˈbrɪdʒmənt/

abridgment

Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
B1 noun /ˈkændɪdeɪt/

candidate

Meaning
A person who applies for a job or is nominated for election.
Example
The candidate gave a strong speech during the debate.
C1 adjective ˈɛl.ə.kwənt

eloquent

Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
A2 noun /ˈkʌm.pə.ni/

company

Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
C2 noun /ˈmænˌtræp/

man-trap

Meaning
A trap designed to catch or injure humans; informally, a woman considered dangerously attractive.
Example
The old castle had a man-trap at the entrance.
B1 noun /sɒk/

sock

Meaning
a piece of clothing worn on the foot and lower part of the leg.
Example
He put on a pair of clean socks before leaving the house.
C1 noun /buːn/

boon

Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
B2 noun /məʊˈbɪləti/

mobility

Meaning
The ability to move or be moved freely and easily; the quality of being mobile.
Example
The mobility of workers is essential for the success of the project.
C1 noun ˈæk.si.əm

axiom

Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
C2 noun /ɡaɪl/

guile

Meaning
Cleverness or cunning used to achieve a goal, often in a deceptive way
Example
He used guile to win the negotiation.
B1 noun /ˌkɒmbɪˈneɪʃən/

combination

Meaning
The act of joining or mixing two or more things together.
Example
This dish is a perfect combination of sweet and spicy flavors.
B2 verb /ˈrʌm.bəl/

rumble

Meaning
to make a continuous deep, resonant sound
Example
Thunder rumbled in the distance.
B1 noun /ˈviːzə/

visa

Meaning
an official authorization or permission to enter, leave, or stay in a country
Example
She applied for a visa to study abroad.
C2 noun /təˈmɛrɪti/

temerity

Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
C2 verb /ˈdʒɪb.ər/

gibber

Meaning
To speak rapidly and unintelligibly, typically through fear or shock.
Example
The frightened man began to gibber when he saw the ghost.
A2 verb /feɪl/

fail

Meaning
to not succeed in achieving something; to be unsuccessful
Example
He failed to complete the assignment on time.
C1 adverb /ˈfɜː.vənt.li/

Fervently

Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
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 verb /ˈtrævəld/

traveled

Meaning
Went from one place to another, especially over a distance.
Example
They traveled to Antarctica with a large group.
C1 noun kəˈlæt.ər.əl

collateral

Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
C1 verb /trəˈvɜːrs/

traverse

Meaning
To travel across or through something.
Example
They traversed the desert on camels.
C1 noun /ˈpɒpjʊləs/

populace

Meaning
the general public; the ordinary people living in a country or area
Example
The new law was welcomed by the local populace.
B2 adverb /sɪˈvɪərli/

severely

Meaning
to a great degree; very seriously or harshly
Example
The patient was severely injured in the accident.
B2 noun /braʊ/

brow

Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
C2 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
C1 adjective + noun njuˈtrɪʃəs krɒps

nutritious crops

Meaning
Plants or vegetables that are rich in nutrients and beneficial for health
Example
Winter vegetables are considered nutritious crops.
B2 noun /kɜːrl/

Curl

Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
B1 verb /əˈsɛs/

assess

Meaning
to evaluate or estimate the nature, ability, or quality of something
Example
The teacher assessed the students' progress.
C2 verb /ˈfjuːmɪˌɡeɪt/

fumigate

Meaning
to disinfect or purify an area by using chemical fumes
Example
They fumigated the warehouse to kill the insects.
C1 noun /ˈtreɪ.ki.ə/

Trachea

Meaning
the tube that carries air from the throat to the lungs; windpipe
Example
The trachea is protected by cartilage rings that keep it open.
C2 adjective /ˈmʌski/

musky

Meaning
having a strong, sweet, earthy smell like musk
Example
The perfume had a musky fragrance.
C1 verb /məˈlɛst/

molest

Meaning
to assault or abuse someone, especially in a sexual or physical way
Example
The criminal was arrested for attempting to molest a child.
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.
C2 noun /rɪˈsɪdɪvɪst/

recidivist

Meaning
A person who repeatedly commits crimes, especially after having been punished.
Example
The police identified him as a recidivist who had been arrested several times before.
C1 noun /ˈreɪ.vən/

Raven

Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
C1 noun /ˈʌndərˌwɜːrld/

underworld

Meaning
The criminal world of organized crime or the mythical world of the dead.
Example
The detective spent years studying the secrets of the underworld.
B1 noun /θiːm/

theme

Meaning
A subject or topic of discourse or artistic representation.
Example
The theme highlighted resilience and sustainability.
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
A2 noun /ˈɛləˌveɪtər/

elevator

Meaning
a machine that carries people or goods up and down between floors in a building
Example
We took the elevator to the tenth floor.
A2 adverb /pəˈhæps/

Perhaps

Meaning
possibly; maybe; used to express uncertainty or make a suggestion
Example
Perhaps we should call before visiting to make sure they're home.
C1 noun /ˌmɪsˈtrʌst/

Mistrust

Meaning
Lack of trust; suspicion or doubt about someone or something
Example
There was deep mistrust between the two political parties.
B2 noun /ˈfjʊr.i/

Fury

Meaning
wild or violent anger; extreme intensity of emotion or activity
Example
His fury was evident when he discovered someone had stolen his bicycle.
B2 noun /ˈrɪdəl/

Riddle

Meaning
a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle
Example
The ancient riddle stumped all the scholars for years.
C1 noun /ˈnɒnʃələns/

nonchalance

Meaning
A relaxed and calm state, showing lack of concern or interest.
Example
She answered the tough questions with surprising nonchalance.
C1 verb /dɪˈbɑːr/

debar

Meaning
To officially prevent someone from doing something.
Example
He was debarred from entering the competition due to cheating.
A2 noun /niːs/

niece

Meaning
the daughter of one's brother or sister
Example
My niece is studying at the university this year.
B1 verb /rɪˈliːs/

release

Meaning
to set free; to allow something to escape or go away
Example
The prisoner was released after ten years.
A1 pronoun /ˈɛvrɪwʌn/

everyone

Meaning
every person; all people
Example
Everyone must bring their own lunch.
C2 noun /ˈhjuːməs/

humus

Meaning
The dark, organic material in soil formed from decayed plants and animals.
Example
The gardener enriched the soil with humus to improve plant growth.
B2 adjective /ˈɪnˌsaɪtfəl/

insightful

Meaning
Showing deep understanding or perceptiveness.
Example
The professor gave an insightful lecture on global economics.
B2 adverb /ˈθɪkli/

Thickly

Meaning
in a thick manner; densely; heavily
Example
The forest was thickly wooded with tall pine trees.
C1 noun ˌmɛməraɪˈzeɪʃən

memorization

Meaning
The process of learning or committing something to memory
Example
Memorization of important information is crucial for exams.
B2 noun /kəmˈpoʊnənt/

component

Meaning
a part or element of a larger whole, especially a machine or system
Example
The engine is the most important component of the car.
C1 noun /bɑːrb/

barb

Meaning
a sharp projection such as on a fishhook; a cutting remark
Example
The fishhook has a small barb to keep the fish from escaping.
C1 adjective /ˈliːf.ləs/

Leafless

Meaning
without leaves; bare
Example
The leafless trees looked bare in winter.
C2 noun /ɡruːəl/

Gruel

Meaning
a thin liquid food of oatmeal or another meal boiled in milk or water
Example
The sick patient could only eat gruel.
B1 noun/adjective /ˈnɒvəl/

novel

Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
B2 verb /ˈruːɪn/

ruin

Meaning
to destroy or damage beyond repair; to spoil completely
Example
Heavy rain could ruin our picnic plans.
A2 adjective /ˈeksələnt/

Excellent

Meaning
extremely good; outstanding; superior
Example
She received excellent grades in all her subjects.
B2 adjective /ˈtaɪm.li/

Timely

Meaning
happening at the right time; punctual
Example
His timely arrival saved the meeting.
C2 verb /ˈhɑːrkən/

hearken

Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
B2 noun /ˈmɛntɔːr/

mentor

Meaning
an experienced person who advises and guides someone less experienced
Example
She acted as a mentor for the new employees.
C2 verb /ˈskærɪfaɪ/

scarify

Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
B2 verb /ˈæmplɪˌfaɪ/

amplify

Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
C2 adjective /ɪˈfɛktʃuəl/

effectual

Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
C1 adjective /ˈtʃɪə.ləs/

Cheerless

Meaning
lacking happiness or comfort; gloomy; depressing; without cheer
Example
The old house looked cheerless and abandoned in the winter rain.
A2 adverb, conjunction /haʊˈɛvər/

however

Meaning
used to introduce a statement that contrasts with or seems to contradict something previously said
Example
The journey was long; however, it was enjoyable.