cliff
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B1 noun /klɪf/

cliff

Meaning
a high, steep face of rock or earth
Example
The waves crashed against the bottom of the cliff.
B2 noun /ˈɡləʊ.bəl piːs/

global peace

Meaning
Worldwide harmony and absence of conflict between nations.
Example
Global peace requires collective efforts.
C1 verb /rɪˈzaʊnd/

resound

Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
B1 noun sɪˈkjʊə.rɪ.ti

security

Meaning
The state of being free from danger, threat, or loss.
Example
Food security is essential for human survival.
C2 adjective /ˈtʃɛəri/

chary

Meaning
cautious or wary about doing something
Example
She was chary of investing in the new business venture.
C2 noun /ˈrɛlɪkwɛri/

reliquary

Meaning
a container for holy relics
Example
The ancient reliquary was decorated with gold and precious stones.
B2 noun /vaɪs/

Vice

Meaning
an immoral or wicked behavior; a moral failing or fault
Example
Smoking is his only vice.
C1 verb /ˈkʌl.mɪ.neɪt/

culminate

Meaning
To reach the final or climactic stage of a process or activity.
Example
Years of hard work culminated in his success.
B2 adverb /ˈsɛkʃuəli/

sexually

Meaning
in a way that relates to or involves sexual activity or feelings
Example
The film was considered too sexually explicit for young audiences.
B2 adjective /ˈpoʊ.lər/

polar

Meaning
relating to the North or South Pole; opposite in nature or character
Example
Penguins live in polar regions of the Earth.
A1 noun /ˈhʌzbənd/

husband

Meaning
A married man regarded in relation to his spouse.
Example
Her husband is very supportive of her career.
C1 noun /ˈtruː.ənt/

Truant

Meaning
a student who stays away from school without permission; a person who shirks duty
Example
The principal called the parents when their child was caught playing truant.
C2 adjective, noun /ˈɡreɪtɪŋ/

grating

Meaning
Harsh and unpleasant to the senses, especially sound; a framework of bars covering an opening.
Example
The teacher's grating voice made it hard to concentrate.
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 noun /ˈtrɛtʃəri/

treachery

Meaning
Betrayal of trust; deceptive action or nature.
Example
His treachery was revealed when he sided with the enemy.
B2 verb /əˈbaɪd/

abide

Meaning
to accept or act in accordance with; to endure; to dwell
Example
I will abide by the rules of the company.
B2 adjective /dʒaɪˈɡæntɪk/

gigantic

Meaning
Extremely large or huge in size, power, or extent.
Example
The company made a gigantic investment in technology.
C2 adjective /ˈkɒr.ə.ɡeɪ.tɪd/

corrugated

Meaning
shaped into ridges and grooves; wrinkled or folded
Example
The roof was made of corrugated metal sheets.
B2 noun /ˌmɪs.bɪˈheɪ.vjər/

Misbehaviour

Meaning
Bad or unacceptable behavior, especially by children or in formal situations
Example
The student was punished for his misbehaviour in class.
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
C2 adjective /ˈsɪlieɪtɪd/

ciliated

Meaning
Having minute hairlike projections (cilia) on the surface of cells or organisms.
Example
The ciliated cells in the respiratory tract help move mucus out of the lungs.
C1 noun/verb /vɔːlt/

vault

Meaning
A secure room for storing valuables; also to leap or spring over something.
Example
The bank kept its gold bars in a secure vault.
C1 noun /ˈpɔːsɪti/

paucity

Meaning
the presence of something in only small or insufficient quantities
Example
The project was delayed due to a paucity of funds.
B1 noun /ɡæŋ/

gang

Meaning
An organized group of people, often involved in crime or violence.
Example
The gang was arrested by the police last night.
C2 noun /ˈbrɒŋkəs/

bronchus

Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
C2 verb /ˈnɪtˌpɪk/

nitpick

Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
B2 noun ˈæɡ.rɪ.kʌl.tʃɚ

agriculture

Meaning
The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Example
Sustainable agriculture can help protect the environment.
B2 adjective /kənˈsɜːvətɪv/

conservative

Meaning
Favoring traditional views and values; resistant to change.
Example
He has conservative views on family and society.
A2 noun ˈhɪs.tər.i

History

Meaning
The study of past events; a chronological record of events and heritage.
Example
The history of ancient civilizations fascinates scholars.
C1 verb /ˈkɪndəl/

kindle

Meaning
to light a fire; to arouse or inspire
Example
She kindled the campfire with dry wood.
C1 noun/adjective /kənˈfɛdərət/

confederate

Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
C1 noun /roʊz ˈber.i/

Rose berry

Meaning
a type of berry with rose-like characteristics or flavor
Example
The rose berry has a delicate floral taste that reminds me of roses.
B2 noun /ˈlɒtəri/

lottery

Meaning
A means of raising money by selling numbered tickets and giving prizes to the holders of numbers drawn at random.
Example
He won a car in the national lottery.
B2 noun /suː.pɪər.iˈɔːr.ə.ti/

Superiority

Meaning
the quality or state of being superior; higher rank or quality
Example
His superiority in mathematics was evident from his test scores.
B2 verb /ʃʌv/

shove

Meaning
to push someone or something roughly
Example
He shoved the box into the corner.
C1 adjective/verb /ˈbæntərɪŋ/

bantering

Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
C2 noun /ˌvæs.ɪˈleɪ.ʃən/

Vacillation

Meaning
the inability to decide between different opinions or actions; indecision
Example
His constant vacillation between career choices frustrated his parents.
A2 noun /ˈrʌnɪŋ/

running

Meaning
the action or sport of running
Example
Running every morning keeps me healthy.
B2 noun /ˈfriː.kwən.si/

Frequency

Meaning
the rate at which something occurs or is repeated over a particular period of time
Example
The frequency of earthquakes in this region has increased dramatically over the past decade.
A2 adjective /ˈkeər.fəl/

Careful

Meaning
taking care to avoid potential problems or dangers; cautious; attentive
Example
Be careful when crossing the busy street during rush hour.
C1 noun kəˈmjuːnɪti ˈsɜːrvɪs aɪˈdiːəlz

community service ideals

Meaning
Principles and standards of serving the community for social good.
Example
Community service ideals must be taught in schools.
C1 verb /koʊˈhæbɪt/

cohabit

Meaning
To live together, often as partners without being married.
Example
They decided to cohabit before getting married.
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
B1 verb ɪkˈspændɪŋ

expanding

Meaning
Becoming larger or more extensive; increasing in size, number, or importance.
Example
Expanding education opportunities helps reduce inequality.
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
A2 adjective /ˈsɛntrəl/

central

Meaning
Situated in the middle; of the greatest importance.
Example
Water is central to human survival.
B1 noun /ˈhaʊshoʊld/

household

Meaning
All the people living together in one house, considered as a unit.
Example
There are five people in our household.
B2 noun ˈlaɪv.stɒk ˈfɑː.mɪŋ

livestock farming

Meaning
The breeding, raising, and care of farm animals such as cattle, horses, sheep, and pigs for food, fiber, and other products.
Example
Livestock farming plays a crucial role in food security.
C1 noun /ˌaɪ.diˈɒl.ə.dʒi/

ideology

Meaning
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Example
Democracy is based on the ideology of freedom and equality.
B2 verb /ˈvaɪəleɪt/

violate

Meaning
to break or go against a rule or law; to disrespect
Example
Parking here violates the city regulations.
B2 noun /ˈɑːrm.pɪt/

Armpit

Meaning
the hollow area under the arm where it joins the shoulder
Example
He applied deodorant to his armpit.
B1 noun /ɡɪlt/

Guilt

Meaning
a feeling of having committed wrong or failed in an obligation; responsibility for wrongdoing
Example
She felt overwhelming guilt after forgetting her mother's birthday.
C2 noun /ˌtɛliˈɒlədʒi/

teleology

Meaning
the explanation of phenomena by the purpose they serve rather than by cause
Example
Aristotle is often associated with the concept of teleology in philosophy.
C2 noun /əˈkwɪtəns/

acquittance

Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
C1 adjective /ˌʌnˈɪntɪmeɪtɪŋ/

unintimating

Meaning
Not giving a hint or suggestion; not indicating.
Example
His unintimating tone gave no clue of his true feelings.
A2 noun /ˈʌv.ən/

Oven

Meaning
an enclosed compartment used for heating, baking, or drying food
Example
She baked cookies in the oven for thirty minutes.
C2 noun /əˈbluːʃən/

ablution

Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
C1 adjective /pɜːrt/

pert

Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
B2 adjective /ˌʌn.kəʊˈɒp.ər.ə.tɪv/

uncooperative

Meaning
not willing to help or work with others; unhelpful
Example
The witness was uncooperative and refused to answer questions.
C1 verb /ˈrɪvɪt/

rivet

Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
A2 verb /pɪk/

pick

Meaning
to choose; to take or select from a group; to pluck or gather
Example
Please pick your favorite color from the palette.
C2 noun /ˈɛpənɪm/

eponym

Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
B2 adjective /ˈtruːθ.fəl/

Truthful

Meaning
telling or expressing the truth; honest and sincere
Example
She was always truthful in her answers during the interview.
C1 adjective /ˌʌndərˈsaɪzd/

undersized

Meaning
Smaller than the usual or expected size.
Example
The undersized puppy struggled to keep up with its siblings.
C2 adverb /hərˈmɛtɪkli/

hermetically

Meaning
In a way that is completely airtight or sealed off.
Example
The jars were hermetically sealed to preserve freshness.
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
C1 adjective əsˈtjuːt

astute

Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
A2 verb /hʌnt/

hunt

Meaning
to chase and kill wild animals; to search for something
Example
The tigers hunt their prey at night.
C1 adverb /əˈfrɛʃ/

afresh

Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
C1 adjective ˈɒptɪmaɪzd

optimized

Meaning
Made as fully perfect, functional, or effective as possible; improved to achieve maximum efficiency.
Example
The system has been optimized for faster performance.
C1 noun /ˈdɪsɪdənt/

dissident

Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
A2 noun /ˈfəʊtəɡrɑːf/

photograph

Meaning
a picture made using a camera
Example
She took a photograph of the sunset.
C1 noun /ˈsəʊdiəm/

sodium

Meaning
a soft, silver-white chemical element that is highly reactive and found in salt.
Example
Sodium is an essential element for maintaining fluid balance in the body.
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.
C1 noun /braɪn/

brine

Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
B2 adjective /ˌθiːəˈrɛtɪkl/

theoretical

Meaning
Concerned with or based on theory rather than practical application.
Example
The idea remains largely theoretical without real-world evidence.
C1 adjective /ˈtæntəmaʊnt/

tantamount

Meaning
Equivalent in seriousness or effect; virtually the same as.
Example
His refusal to speak was tantamount to an admission of guilt.
B2 adjective /ˌʌnəˈfɪʃ.əl/

Unofficial

Meaning
not officially authorized or confirmed; informal
Example
The unofficial results showed a close race.
C2 verb /məˈrɔːd/

maraud

Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
C1 adjective /kəˈlæpsəbl̩/

collapsible

Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
B2 verb /ˈnoʊtɪfaɪ/

notify

Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
C2 noun /ˈkælvɪnɪzəm/

calvinism

Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
B2 adjective /ˈlækɪŋ/

lacking

Meaning
not having enough of something; missing
Example
His report was lacking in detail.
B1 verb /hiːl/

heal

Meaning
to cure; to become healthy again
Example
Time will heal all wounds.
B2 adjective /ˌpriːməˈtjʊər/

premature

Meaning
Happening or done before the usual or proper time.
Example
His decision to quit the job was premature.
C2 noun /ˈθiːɪzəm/

theism

Meaning
Belief in the existence of a god or gods, especially a creator who intervenes in the universe.
Example
Theism is central to many world religions.
A2 noun ˈkɜːrɪdʒ

courage

Meaning
The ability to do something that frightens one; bravery.
Example
Courage is essential in the face of challenges.
B2 verb /ˈælaɪ/

ally

Meaning
To unite or form a connection or partnership with another person, group, or nation.
Example
The two countries decided to ally against their common enemy.
C2 noun /ˈhɑː.mə.li/

Homily

Meaning
a religious discourse delivered as part of a church service; a tedious moralizing lecture
Example
The priest delivered an inspiring homily about compassion and forgiveness during Sunday service.
B2 noun /dʒiːn/

gene

Meaning
A unit of heredity in living organisms, transferred from parent to offspring, determining traits.
Example
Eye color is influenced by genes inherited from parents.
C1 adjective /ˌɪməˈtɪəriəl/

immaterial

Meaning
Not important or relevant; lacking physical substance.
Example
The judge ruled that the argument was immaterial to the case.
C1 adjective /ˌɪndɪˈsaɪsɪv/

Indecisive

Meaning
unable to make decisions quickly; hesitant; wavering
Example
She was indecisive about which university to attend.
C1 noun /kəˈpɪl.ər.iz/

capillaries

Meaning
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Example
Broken capillaries cause dark circles.
C2 adjective /ˈmʌɡi/

muggy

Meaning
uncomfortably warm and humid
Example
It was a muggy afternoon in July.
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
A2 verb /liːd/

lead

Meaning
To guide or be in charge; to show the way.
Example
He led the team to victory.
B2 verb /əˈspaɪər/

aspire

Meaning
to have a strong desire to achieve something
Example
Many students aspire to study abroad.
C1 noun /ˈɛn.kleɪv/

enclave

Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
B2 adjective /ˌʌnəˈveɪləbəl/

unavailable

Meaning
Not able to be obtained, reached, or used; not present or accessible.
Example
The manager was unavailable to take calls during the meeting.
C1 verb /ˈræʃənaɪz/

rationlize

Meaning
to justify or explain something with logical reasons, even if not appropriate or true
Example
He tried to rationlize his mistake by blaming the system.
C2 noun /ˈɛksplɪkeɪtər/

explicator

Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
B2 noun /ˈdiːtʊr/

detour

Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
C1 noun /kɒzˈmɒlədʒi/

cosmology

Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
B2 noun ˈkæp.ɪ.təl.ɪ.zəm

capitalism

Meaning
An economic system where trade, industry and production are privately owned and operated for profit.
Example
Capitalism encourages innovation and competition.
C1 adjective /ˌʌnɪˈkwɪvəkəl/

unequivocal

Meaning
Leaving no doubt; clear and unambiguous
Example
She gave an unequivocal answer to the question.
C1 noun /ˈtrænsfərəns/

transference

Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
B1 verb /ɪnˈfɔ:m/

inform

Meaning
to tell someone about something; to give information
Example
Please inform me when you arrive at the airport.
C2 verb /voʊˈsɪfəˌreɪt/

vociferate

Meaning
to shout, complain, or argue loudly or vehemently
Example
The protesters vociferated against the unfair law.
B2 verb /skɪm/

skim

Meaning
to move quickly over a surface or to read something quickly
Example
She skimmed through the report before the meeting.
C1 adjective /ˈpeɪtrənaɪzɪŋ/

patronizing

Meaning
showing kindness that is perceived as condescending or superior
Example
His patronizing tone offended the audience.
C2 adjective /ˈfrɒlɪksəm/

Frolicsome

Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
A1 verb /stænd/

stand

Meaning
to be in an upright position; to tolerate or endure
Example
Please stand up when the teacher enters.
A2 noun /ˈlæd.ər/

Ladder

Meaning
a structure consisting of two upright parallel sides connected by rungs, used for climbing up or down
Example
He climbed the ladder to reach the books on the top shelf.
C2 noun /ˈɑːrkeɪndʒəl/

archangel

Meaning
A high-ranking angel, often considered a chief messenger or leader among angels.
Example
Michael is often depicted as the most powerful archangel.
B1 noun /ˈspɪr.ɪt/

Spirit

Meaning
the non-physical part of a person; enthusiasm or courage; the essential character of something
Example
The team showed great spirit despite losing the match.
C1 noun /ˈtriːtɪs/

treatise

Meaning
a formal and systematic written work dealing with a subject in detail
Example
He wrote a treatise on modern economic theory.
B1 noun /ˈfɛloʊ/

fellow

Meaning
a person who shares a common situation, interest, or activity with another
Example
He is a fellow student in my class.
B1 adjective /rɪˈlækst/

relaxed

Meaning
free from tension or stress; calm and comfortable
Example
She felt relaxed after listening to soft music.