ecology
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B2 noun /iˈkɒl.ə.dʒi/

ecology

Meaning
the study of how living things interact with each other and their environment
Example
Ecology helps us understand how pollution affects animals and plants.
C1 adjective /ˌʃoʊ.vəˈnɪs.tɪk/

chauvinistic

Meaning
Displaying or characterized by excessive or prejudiced loyalty or support, especially towards one's own gender or group.
Example
His chauvinistic attitude alienated many of his female colleagues.
B2 verb /bɪˈfrɛnd/

befriend

Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
C2 /laɪð/

lithe

Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
A2 verb /draɪv/

drive

Meaning
to control and move a vehicle; to force someone to move
Example
I will drive to work tomorrow morning.
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
C2 noun /sʌbˈɔːl.tən/

subaltern

Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
C2 noun /djuːˈɛnə/

duenna

Meaning
an older woman acting as a governess or chaperone, especially in Spanish families
Example
The young lady was accompanied by a duenna during the festival.
C1 noun /ˈrep.lɪ.kə/

Replica

Meaning
an exact copy or model of something, especially one on a smaller scale
Example
The museum displayed a perfect replica of the ancient statue.
C2 noun /ˈsælvoʊ/

salvo

Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
A2 noun /ˈfiːtʃər/

feature

Meaning
a distinctive attribute or aspect of something; a characteristic
Example
The new phone has a unique camera feature.
B2 noun /ˈmɑːrdʒɪn/

Margin

Meaning
The edge or border of something; an amount allowed beyond what is needed
Example
Please write your notes in the margin of the page.
B1 adverb /ˈwaɪdli/

widely

Meaning
to a great extent or degree
Example
The news of his promotion spread widely across the company.
C1 verb /lʌl/

lull

Meaning
to soothe or calm; to cause to sleep or rest
Example
The gentle music lulled the baby to sleep.
C2 noun /fɪˈlæt.əl.ɪst/

philatelist

Meaning
a person who collects or studies postage stamps
Example
The philatelist spent years building a rare stamp collection.
B2 noun /ˈleɪ.zi.nəs/

Laziness

Meaning
the quality of being unwilling to work or use energy; idleness
Example
His laziness prevented him from achieving his goals.
B2 noun /ˈes.əns/

Essence

Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
C1 adjective /aʊtˈmoʊdɪd/

outmoded

Meaning
No longer in fashion or useful; outdated.
Example
That old computer is completely outmoded.
B2 verb /əˈsɛmbəl/

assemble

Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
C2 noun /kəmˈpleɪsəns/

complaisance

Meaning
willingness to please others; courteous compliance
Example
Her complaisance made her popular among her colleagues.
C2 verb /ɪˈvɪns/

evince

Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
C1 adjective /ˈɪndɪɡoʊ bluː/

Indigo-blue

Meaning
a deep blue color with a purplish tinge
Example
The indigo-blue sky looked magnificent at twilight.
C2 noun /bəˈsuːn/

bassoon

Meaning
a large woodwind instrument with a deep sound
Example
The orchestra featured a beautiful bassoon solo.
A1 noun /naɪn/

nine

Meaning
the number that is one more than eight
Example
She has nine books in her collection.
B2 noun /ˌmɒdəˈreɪʃən/

moderation

Meaning
The avoidance of excess or extremes; keeping balance or within reasonable limits.
Example
He drinks wine in moderation.
C1 noun /ˈtraɪ.fəl/

Trifle

Meaning
something of little importance or value; a small amount
Example
Don't worry about such a trifle; it's not worth your time.
C2 noun /ˈfɪlɪɡri/

filigree

Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
A2 noun /ˈkænsər/

cancer

Meaning
A disease in which abnormal cells divide uncontrollably and destroy body tissue.
Example
Smoking is a leading cause of lung cancer.
C2 noun /lɪnt/

lint

Meaning
small soft fibers that come off cloth, often found in dryers or on clothes
Example
There was lint all over his black shirt after the wash.
A1 noun /ˈvɪdiəʊ/

video

Meaning
a recording of moving visual images made digitally or on film
Example
She watched the video of her favorite concert online.
C1 noun/verb /kroʊˈʃeɪ/

crochet

Meaning
Needlework made by interlocking loops of thread with a hooked needle; the act of making such items.
Example
She learned how to crochet a scarf for winter.
C1 verb /ˈɪtəreɪt/

iterate

Meaning
To repeat a process or statement, often to improve or refine.
Example
The software team will iterate the design until it meets user needs.
B2 noun /ˈʌndərkləʊðz/

underclothes

Meaning
Clothing worn beneath outer clothes, such as underwear or lingerie
Example
He folded his underclothes neatly before packing them.
B2 noun /ɪmˈbærəsmənt/

embarrassment

Meaning
a feeling of self-consciousness, shame, or awkwardness
Example
Her face turned red with embarrassment after the mistake.
B2 noun prəʊb

probe

Meaning
An unmanned exploratory spacecraft designed to transmit information about its environment.
Example
The probe collected data from the planet's surface.
B2 noun kəˈmɪʃ.ən

commission

Meaning
An official group of people entrusted by a government with a particular function.
Example
The commission recommends constitutional reforms.
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
B2 adjective ænˈtɪsɪpeɪtɪd

anticipated

Meaning
Expected or predicted to happen; foreseen in advance.
Example
The anticipated growth exceeded the city's capacity.
B2 adjective ˌɒp.ərˈeɪ.ʃən.əl

operational

Meaning
In working order; ready for use.
Example
The space project will be operational by 2025.
C2 adjective /sʌbˈlɪŋɡwəl/

sublingual

Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
C1 noun /ˈtem.pɚ.əns/

temperance

Meaning
Moderation in action, thought, or feeling; restraint.
Example
Temperance is essential for a balanced life.
C1 noun/verb /dɛnt/

dent

Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
C2 adjective /əˈpɜːrtənənt/

appurtenant

Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
C2 adjective /rɪˈmiːdiəbl/

remediable

Meaning
capable of being corrected or cured
Example
The mistake was serious but still remediable.
B2 adjective /ˌkrɒnəˈlɒdʒɪkəl/

chronological

Meaning
Arranged in the order in which events happened.
Example
The events were listed in chronological order.
A2 noun /ˈpɜːpəs/

purpose

Meaning
the reason for which something is done or created
Example
The purpose of this meeting is to discuss the new project.
B2 adjective /ɪˈlæs.tɪk/

Elastic

Meaning
able to stretch and return to original shape; flexible; adaptable
Example
The elastic band can stretch and return to its original shape.
B2 noun /ˈfɔːr.hed/

Forehead

Meaning
the part of the face above the eyebrows and below the hairline
Example
He wiped the sweat from his forehead.
C2 verb /ˌæntɪˈsiːd/

antecede

Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
C2 noun /prɪˈfɜːrmənt/

preferment

Meaning
promotion or advancement in rank, position, or office
Example
He hoped for preferment in the government office.
C1 noun /ˈhæŋ.ər/

Hangar

Meaning
a large building with extensive floor area, typically for housing aircraft; an aircraft shelter
Example
The airplane was stored safely in the hangar during the severe thunderstorm.
C1 verb /vaʊtʃ/

vouch

Meaning
to confirm or assert the truth or reliability of something
Example
I can vouch for his honesty.
C1 noun /tʃɪt/

Chit

Meaning
a short note, typically a brief informal letter; a voucher for a sum owed
Example
She left a chit on the table asking him to call her back.
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 noun /ˌmɑːhəˈrɑːdʒə/

maharaja

Meaning
A great king, especially a ruler of one of the principal states in India.
Example
The maharaja lived in a grand palace surrounded by gardens.
C1 adjective /ˌɪn.səˈbɔːr.dɪ.nət/

insubordinate

Meaning
Defiant of authority; disobedient to orders.
Example
The insubordinate employee refused to follow the manager's instructions.
B2 noun /ˈvɜː.tʃuː/

Virtue

Meaning
behavior showing high moral standards; a good or useful quality of a thing
Example
Honesty is considered the highest virtue in many cultures.
C2 noun /əˈklɪvɪti/

acclivity

Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
C2 adjective /spraɪ/

spry

Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
B2 noun /bleɪd/

Blade

Meaning
a sharp flat cutting edge of a knife, sword, or tool
Example
The blade of the knife needs to be sharpened.
C2 adjective /ˈtjuːmɪd/

tumid

Meaning
Swollen, enlarged, or pompous in style.
Example
His tumid prose was difficult to read.
C2 noun /ænˈtɪpəθi/

antipathy

Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
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 verb /daɪ/

dye

Meaning
to change the color of something using a chemical substance
Example
She will dye her hair blonde tomorrow.
C2 adjective /kwɪkˈsɑː.t̬ɪk/

quixotic

Meaning
Extremely idealistic, unrealistic, and impractical.
Example
His quixotic dreams often led to disappointment.
A2 noun /ˈdʌzən/

dozen

Meaning
a group of twelve
Example
She bought a dozen eggs from the market.
B2 noun /ɪmˈpaʊə.mənt/

empowerment

Meaning
Authority or power given to someone to do something.
Example
Empowerment initiatives enhance confidence.
C1 noun dɪˈfleɪʃən

deflation

Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
B1 verb /əˈmjuːz/

amuse

Meaning
to entertain or make someone laugh or smile; to occupy pleasantly
Example
The clown amused the children at the party.
B2 noun /ˈlaɪ.nər/

liner

Meaning
A large ship used for transporting people or goods regularly, or a material used as a lining inside something.
Example
The luxury liner docked at the port yesterday.
C2 noun /ˈmʌrɪn/

murrain

Meaning
An infectious disease that affects cattle and other animals, often fatal.
Example
The farmer lost many cows during the outbreak of murrain.
C2 adjective /vaɪˈkɛəriəs/

vicarious

Meaning
experienced through the feelings or actions of another person
Example
She felt vicarious excitement watching her son win the award.
A2 conjunction /nɔːr/

nor

Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
A1 noun /ˈflaʊər/

flower

Meaning
the seed-bearing part of a plant, often colorful and fragrant, that blossoms
Example
The garden was full of colorful flowers.
B1 noun /ˈlɛktʃərər/

lecturer

Meaning
a person who gives lectures, especially at a college or university
Example
The lecturer explained the theory with clear examples.
B2 noun /rɪˈstrɪk.ʃən/

Restriction

Meaning
a limiting condition or measure; the limitation or control of someone or something
Example
There are strict restrictions on smoking in public places.
C1 verb /ˈslɪðər/

slither

Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
B2 noun /lɔːntʃ/

Launch

Meaning
a large motorboat or a boat used to transport people and goods
Example
We took a launch to cross the river.
B1 noun /ˈpæsɪdʒ/

passage

Meaning
a narrow way through or between; a section of text or music; the process of moving from one state or place to another
Example
The narrow passage led from the courtyard to the library.
C1 verb /ˈstrætɪfaɪ/

stratify

Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
B1 noun /ɪnˈʃʊərəns/

insurance

Meaning
An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.
Example
He bought health insurance to cover medical expenses.
B2 adverb /ˈsoʊʃəli/

socially

Meaning
in a way that relates to society or social interaction
Example
He is very active socially and attends many events.
C1 noun /ɪˈreləvəns/

irrelevance

Meaning
the quality of not being connected to or important for a particular matter; lack of significance
Example
His long explanation only highlighted the irrelevance of the details to the main issue.
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.
B2 noun /ˈprɛfəs/

preface

Meaning
an introduction to a book, speech, or other written work
Example
The author explained his motivation in the preface.
A1 preposition /wɪð/

with

Meaning
indicating the person or thing that is accompanying or involved with someone or something else
Example
She went to the market with her friend.
B1 adjective /əˈsoʊsieɪtɪd/

associated

Meaning
connected or related to something or someone
Example
She is closely associated with environmental movements.
A2 noun wʊd

wood

Meaning
The hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub.
Example
Wood is being tested for its resilience in space.
B2 verb /ɪnˈflɪkt/

inflict

Meaning
to cause something unpleasant or painful to be suffered by someone or something
Example
The storm inflicted considerable damage to the city.
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
B2 adjective /dɪˈpɛndəbl/

dependable

Meaning
able to be trusted or relied on; consistently reliable
Example
She is a dependable colleague who always meets deadlines.
C1 adverb/noun /ˌhɪərˈæftər/

hereafter

Meaning
from now on; in the future; also refers to life after death.
Example
Hereafter, all reports must be submitted electronically.
C2 noun /ˈskɜː.vi/

scurvy

Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
C2 noun /baɪˈmɛstər/

bimester

Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
B1 adjective /ˌʌnˈpeɪd/

Unpaid

Meaning
not paid for; without payment or salary
Example
She worked as an unpaid intern for six months.
B2 adjective /ˈɡlɒsi/

glossy

Meaning
Shiny and smooth in appearance; attractive on the surface but sometimes lacking depth.
Example
She bought a glossy magazine from the store.
B1 noun /pɪl/

pill

Meaning
a small round piece of medicine to be swallowed
Example
He took a pill to relieve his headache.
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
C1 adverb /ˌwɛr.əˈpɒn/

whereupon

Meaning
Immediately after which; as a result of which.
Example
He confessed his mistake, whereupon she forgave him.
C1 adjective /ˌkævəˈlɪər/

cavalier

Meaning
showing a lack of proper concern; dismissive or offhand
Example
He had a cavalier attitude toward safety regulations.
C2 noun /ɪˈluːmɪnənt/

illuminant

Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
B2 noun /ˈæstərɔɪd/

asteroid

Meaning
A small rocky body orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter.
Example
The asteroid belt lies between the orbits of Mars and Jupiter.
B2 noun /kənˈsɛnt/

consent

Meaning
permission for something to happen or agreement to do something
Example
She gave her consent before the operation.
C1 noun ˈpɛd.ə.ɡɒ.dʒi

pedagogy

Meaning
The method and practice of teaching, especially as an academic subject or theoretical concept.
Example
Modern pedagogy focuses on student-centered learning.
C2 noun /ˌfjuːzɪˈleɪd/

fusillade

Meaning
A series of shots fired or missiles thrown all at the same time or in quick succession.
Example
The soldiers advanced under a fusillade of bullets.
C2 noun /ˌhaɪpəˈkɒndrɪæk/

hypochondriac

Meaning
a person who is excessively worried about having a serious illness
Example
She is a hypochondriac who visits the doctor every week.
C2 verb /ˈsʌblɪmeɪt/

sublimate

Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
C2 adjective /ˈflaɪti/

flighty

Meaning
unstable, impulsive, or easily distracted; lacking seriousness or stability
Example
She’s too flighty to stick with one job for long.
B2 noun /ˌekspləˈreɪʃən/

exploration

Meaning
the action of traveling through or studying an area to learn more about it
Example
Space exploration has expanded our understanding of the universe.
A1 noun /skuːl/

school

Meaning
An institution for educating children; also a group of people sharing the same ideas or discipline.
Example
The children walked to school together.
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.
C1 noun /ˈpæstər/

pastor

Meaning
a minister in charge of a Christian church or congregation
Example
The pastor delivered a heartfelt sermon on compassion.
A2 noun /ˈkloʊðɪŋ/

clothing

Meaning
items worn to cover the body; apparel collectively
Example
Warm clothing is essential in winter.
C2 adjective /prɪˈskrɪptɪbəl/

prescriptible

Meaning
Capable of being prescribed or laid down as a rule or directive.
Example
Certain regulations are prescriptible under the law.
C1 adjective kənˈkɝː.ənt

concurrent

Meaning
Existing, happening, or done at the same time.
Example
The conference had concurrent sessions on various topics.
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
C1 noun /ˈsɒl.ɪs/

Solace

Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.