oxygenation
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C1 noun /ˌɒk.sɪ.dʒɪˈneɪ.ʃən/

oxygenation

Meaning
The process of supplying or treating with oxygen.
Example
Deep breathing exercises improve oxygenation of the body.
B1 noun /ˈproʊˌfaɪl/

profile

Meaning
a description or representation of someone or something; an outline
Example
He updated his profile on the company website.
A1 adjective ˈdɪfɪkəlt

difficult

Meaning
Needing much effort or skill to accomplish, deal with, or understand; hard.
Example
Managing urban challenges has become increasingly difficult.
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.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
B2 noun /ˈvæn.ɪ.ti/

Vanity

Meaning
excessive pride in one's appearance or achievements; the quality of being worthless or pointless
Example
Her vanity made her spend hours looking at herself in the mirror.
A2 noun /ˈmɛnjuː/

menu

Meaning
A list of food and drinks available at a restaurant or offered at a meal.
Example
The restaurant updated its menu with new dishes.
C1 noun kəˈlɛktɪvɪzəm

collectivism

Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
B1 noun /ˈpaɪn.æp.əl/

Pine Apple

Meaning
a large tropical fruit with a tough skin and sweet yellow flesh
Example
The pineapple has a crown of spiky leaves on top.
C1 adjective পারসিভেবল

perceivable

Meaning
Able to be seen, noticed, or detected.
Example
The changes in winter weather are perceivable in rural areas.
B2 verb /mɒk/

mock

Meaning
To make fun of someone or something in a cruel or unkind way.
Example
The students mocked his accent during class.
C1 verb /sɪˈkriːt/

secrete

Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
C2 noun /trʌs/

truss

Meaning
a framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure
Example
The engineer designed a strong truss for the new bridge.
C2 noun /ˈrɛd.ə.ləns/

redolence

Meaning
a pleasant smell or the quality of suggesting something strongly
Example
The redolence of jasmine filled the evening air.
C2 noun /ˈpɛdənt/

pedant

Meaning
A person who is excessively concerned with minor details or rules, often in a showy way.
Example
The professor was criticized as a pedant who focused too much on trivial details.
B2 noun ˈɒksɪdʒən prəˈdʌkʃən

oxygen production

Meaning
The process of generating oxygen through photosynthesis or other means.
Example
Plants are vital for oxygen production and the maintenance of life.
C1 verb /prəˈlɪf.ə.reɪt/

proliferate

Meaning
To increase rapidly in numbers; to grow or spread quickly and extensively.
Example
Startups tend to proliferate in a thriving economy.
C1 verb /ʃʌnt/

shunt

Meaning
to move or turn aside; to push or divert from one track to another
Example
The train was shunted onto a different track.
C2 noun /ˈpɛntəˌɡræm/

pentagram

Meaning
A five-pointed star often used as a symbol in magic, mysticism, or religion.
Example
The wizard drew a pentagram on the floor as part of the ritual.
C1 noun /ɪmˈpɜː.mə.nəns/

impermanence

Meaning
The state or fact of lasting for only a limited period of time.
Example
The philosophy of Buddhism emphasizes the impermanence of life.
B2 noun /juːˈtɪl.ə.ti/

Utility

Meaning
the state of being useful, profitable, or beneficial; a public service
Example
The utility of solar panels increases with rising electricity costs.
B2 noun /mɪl/

mill

Meaning
a building equipped with machinery for grinding grain or manufacturing goods
Example
The old flour mill has been converted into a museum.
C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
C1 adjective /ˈbɔɪənt/ or /ˈbuːjənt/

buoyant

Meaning
Able to float easily; cheerful and optimistic.
Example
She remained buoyant despite the difficulties.
C2 verb /ˈɔːltərˌkeɪt/

altercate

Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
B1 noun /ˈkaʊn.səl/

council

Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
B2 noun /ˈmɒlɪkjuːl/

molecule

Meaning
The smallest unit of a chemical compound that retains its chemical properties.
Example
A water molecule is made up of two hydrogen atoms and one oxygen atom.
C1 noun /ˈskruːpəl/

scruple

Meaning
A moral or ethical consideration that restrains actions.
Example
He had no scruples about lying to get ahead.
A2 verb /ɪkˈspres/

express

Meaning
to show or make known a feeling, thought, or opinion
Example
She expressed her gratitude for the help she received.
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
C2 verb /bɪˈteɪk/

betake

Meaning
to go or resort to a place or course of action, especially as a response; to apply oneself
Example
After dinner, she betook herself to her room to read.
C1 noun /ˈnaɪt.fɔːl/

nightfall

Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
A1 verb /niːd/

need

Meaning
to require something; to be in want of
Example
I need help with my homework.
B2 noun /ˈlæv.ən.dər/

Lavender

Meaning
a fragrant purple flowering plant used in perfumes and aromatherapy
Example
The lavender field filled the air with its sweet, calming fragrance.
B1 noun /ədˈvaɪzər/

adviser

Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
C2 adjective /ˈkoʊməˌtoʊs/

comatose

Meaning
In a state of deep unconsciousness, resembling or related to coma.
Example
The comatose patient was kept under constant observation.
A2 noun ˈkæm.pɪŋ

camping

Meaning
Living outdoors temporarily, especially for recreation; staying in a tent or similar shelter.
Example
Many families go camping during holidays.
B1 noun /rɪˈkwaɪə(r)mənt/

requirement

Meaning
something that is necessary or demanded
Example
The job has specific educational requirements.
C1 adjective /vɪnˈdɪk.tɪv/

Vindictive

Meaning
having or showing a strong or unreasoning desire for revenge
Example
His vindictive behavior towards his former colleagues was unprofessional.
A2 adjective /ˌdʒæpəˈniːz/

japanese

Meaning
relating to Japan, its people, or their language
Example
She loves Japanese culture and traditions.
C1 verb /ˈɛkstrəˌdaɪt/

extradite

Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
B1 noun /ˈmɪʃ.ən/

Mission

Meaning
An important task or assignment given to a person or group; a specific purpose or goal
Example
The astronauts completed their mission to the space station.
B1 noun /ˈrɪðəm/

rhythm

Meaning
a strong, regular, repeated pattern of movement or sound
Example
The rhythm of the music made everyone want to dance.
B1 noun /ɛr pəˈluːʃən/

air pollution

Meaning
The presence of harmful or poisonous substances in the air, typically caused by industrial processes, vehicle emissions, or other human activities.
Example
Air pollution from factories led to the first environmental movement.
B2 noun /ˈɑːr.tɪ.zən/

Artison

Meaning
a skilled craftsperson who makes things by hand
Example
The artisan created a beautiful wooden sculpture.
B1 verb /əˈlɑːrm/

alarm

Meaning
to warn of danger; to frighten or disturb
Example
The loud noise alarmed the residents.
B2 noun /ˈdes.tə.ni/

Destiny

Meaning
the events that will necessarily happen to someone in the future; fate or predetermined course
Example
She believed that meeting him was her destiny and meant to be.
C1 verb /ˌʌndərˈlaɪ/

underlie

Meaning
to be the hidden cause or basis of something
Example
Strong cultural traditions underlie the community's practices.
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

Meaning
a green, bumpy vegetable with a very bitter taste, known for its medicinal properties
Example
Bitter gourd is excellent for controlling blood sugar levels.
C1 adverb /ˌðɛərˈʌv/

Thereof

Meaning
of that; from that
Example
The contract and all amendments thereof must be signed.
C2 adjective /ˈtɪmərəs/

timorous

Meaning
showing or suffering from nervousness, fear, or lack of confidence
Example
The timorous student hesitated to ask the teacher a question.
B2 noun /bækˈtɪəriəm/

bacterium

Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
C1 adjective, verb (past tense/participle of mire) /ˈmaɪərd/

mired

Meaning
Trapped or entangled in something, typically a difficult situation.
Example
The politician was mired in scandal.
C2 noun /səˈɡæs.ə.t̬i/

sagacity

Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
C2 noun /ˈdjʊərəns/

durance

Meaning
imprisonment or confinement
Example
The prisoner spent years in durance before his release.
B2 noun /ˈprɛʃər ˈkʊkər/

Pressure cooker

Meaning
a sealed cooking pot that uses steam pressure to cook food faster
Example
Using a pressure cooker reduces cooking time by more than half.
A2 noun /kæb/

cab

Meaning
a taxi or car for hire with a driver
Example
We took a cab to the airport.
B2 adjective /ˈfeɪvərəbəl/

favorable

Meaning
expressing approval or support; advantageous
Example
The weather conditions were favorable for the outdoor event.
C1 noun /ˈtæl.i/

Tally

Meaning
a count or record of a number or amount; a score or total
Example
Keep a tally of how many books you read this month.
B2 adjective /ˈklɪn.ɪ.kəl/

clinical

Meaning
Related to the observation and treatment of patients rather than theoretical study.
Example
The doctor conducted a clinical examination.
C2 noun /haɪnd/

Hind

Meaning
a female deer, especially a red deer
Example
The hind protected her fawn from predators.
C1 noun /weɪ/

Whey

Meaning
the watery part of milk that separates from the curds when making cheese
Example
Whey protein is popular among athletes and bodybuilders.
B2 adjective /ɪˈmɒrəl/

immoral

Meaning
Not conforming to accepted standards of morality; unethical or wicked.
Example
He was fired for his immoral behavior.
C1 adjective /ˈfɛrəl/

feral

Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
B1 adjective /ˈdʒɛnjʊɪn/

genuine

Meaning
real and authentic; not fake or artificial
Example
This is a genuine leather bag.
A2 noun /æd/

ad

Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
A2 noun /ˈmædʒɪk/

magic

Meaning
the use of mysterious or supernatural powers to influence events
Example
The magician amazed the crowd with his magic.
B1 adverb /səkˈsɛsfəli/

successfully

Meaning
in a way that achieves a desired result
Example
She passed the exam successfully after weeks of studying.
C1 noun, adjective /ˈsɒlvənt/

solvent

Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
B2 verb /koʊp/

cope

Meaning
to deal effectively with something difficult
Example
She had to cope with a lot of pressure at work.
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
B2 noun /ˈklær.ɪ.ti/

clarity

Meaning
The quality of being coherent and intelligible; transparency or lucidity.
Example
The speaker's clarity made the concept easy to understand.
C1 adverb /ˌðɛrəˈbaʊt/

thereabout

Meaning
Approximately or around that place, amount, or time.
Example
The repairs will cost five hundred dollars or thereabout.
C2 verb /ˈmjuːtɪleɪt/

mutilate

Meaning
to inflict serious damage on something, often by cutting or tearing
Example
The ancient manuscript was mutilated by careless handling.
C1 adjective /ʌnˈtoʊld/

Untold

Meaning
very great in amount or degree; countless; immeasurable
Example
The earthquake caused untold damage to the city.
C1 noun /ˈsɪstərhʊd/

sisterhood

Meaning
The relationship between sisters, or a community of women united by shared experiences or goals.
Example
The feminist movement created a strong sense of sisterhood among women.
B2 verb /ˈtɪkəl/

Tickle

Meaning
to touch someone lightly to make them laugh; to amuse or please
Example
The feather tickles when it touches your skin.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
C2 adjective /ˈspiːʃəs/

specious

Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
C2 adjective /ɪnˈæpt/

Inapt

Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
C1 adjective /bəˈzɜːrk/

berserk

Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
C1 verb /ˌoʊvərˈpaʊər/

overpower

Meaning
To defeat or gain control over someone or something by using greater strength or force.
Example
The soldiers managed to overpower the enemy forces.
C2 noun /ˈætəvɪzəm/

atavism

Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
A2 noun /ˈsɪk.nəs/

Sickness

Meaning
the state of being ill; a disease or illness
Example
She took time off work due to sickness.
C1 noun ˈsɒl.vən.si

solvency

Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
B2 adverb /bɪˈfɔːr.hænd/

Beforehand

Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
B1 verb /fəʊld/

fold

Meaning
to bend something, especially paper or cloth, so that one part covers another
Example
She folded the letter neatly before placing it in the envelope.
B2 noun /ˈmeɪnstriːm/

mainstream

Meaning
the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion or fashion
Example
Social media has become a mainstream source of news for many people.
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
A2 noun, verb /bɑːr/

bar

Meaning
a counter where drinks are served; to prevent or block
Example
They decided to meet at the bar after work.
A2 noun /tiːm/

team

Meaning
a group of people working together towards a common goal
Example
Our team won the match after a great effort.
C2 adjective /ˈmɪnətɔːri/

minatory

Meaning
Expressing a threat; menacing.
Example
The criminal gave the witness a minatory look.
B2 adjective /dɪˈzɜːrtɪd/

deserted

Meaning
Empty of people; abandoned.
Example
The village looked completely deserted after the storm.
C2 noun /mɪˈsænθrəpi/

misanthropy

Meaning
a general dislike, distrust, or hatred of humankind
Example
His misanthropy was evident in the way he avoided people.
C1 noun /ˈspɛktər/

specter

Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
B2 adverb /ˈoʊpənli/

Openly

Meaning
in a frank and honest way; without concealment; publicly
Example
She spoke openly about her struggles with mental health.
C1 adjective /ˈtɛsti/

testy

Meaning
Easily irritated or annoyed.
Example
He became testy when asked the same question repeatedly.
C2 verb /frɪz/

frizz

Meaning
to form into small, tight curls or cause hair to become fuzzy and tangled
Example
The humid weather caused her hair to frizz.
C2 noun /doʊlt/

dolt

Meaning
A stupid or slow-witted person.
Example
Only a dolt would believe such a story.
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.
A1 noun /saɪd/

side

Meaning
a position to the left or right of something
Example
The store is on the side of the road.
B2 noun /ˈbælət/

ballot

Meaning
a process of voting, usually in secret; the paper used to record a vote
Example
Voters cast their ballot in the election.
C1 verb /rɪˈtrækt/

retract

Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
B2 verb /ˈpɑːlɪʃ/

polish

Meaning
to make smooth and shiny by rubbing; to improve or refine
Example
She needs to polish her shoes before the interview.
B2 adjective /ˈsɪk.li/

Sickly

Meaning
weak and unhealthy; prone to illness; appearing weak or pale
Example
The sickly child needed extra care and attention.
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
B1 noun /braɪd/

Bride

Meaning
a woman on her wedding day or just before and after the event
Example
The beautiful bride walked down the aisle in her white wedding dress.
C2 noun /ˈbɑːr.bər/

Barbar

Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
C2 verb /ˈhæroʊ/

harrow

Meaning
to cause distress or torment; also to break up and smooth soil with a farm tool
Example
The tragic news harrowed the entire family.
C2 adjective /səˈmætɪk/

somatic

Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
B2 noun /ˈsɛm.ɪ.nɑːr/

seminar

Meaning
A meeting for discussion or training, especially in an academic setting.
Example
The professor invited all students to attend the seminar on climate change.
C2 noun /ˈhɛklər/

heckler

Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
C1 adjective /ˈed.jʊ.keɪ.tɪv/

Educative

Meaning
providing education; instructive; informative
Example
The documentary was highly educative and informative.
A2 verb /sɑːlv/

solve

Meaning
to find an answer to a problem or question; to resolve a difficulty
Example
The detective finally solved the mysterious case.
B1 noun /ˈfɔːr.mæt/

Format

Meaning
the way in which something is arranged or set out; the shape, size, and presentation of a book or document
Example
Please submit your report in PDF format by the end of the week.
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.
C1 noun /ˈpæn.θi.ən/

pantheon

Meaning
All the gods of a religion collectively; a building dedicated to all gods.
Example
The Roman Pantheon is one of the best-preserved ancient temples.
A2 adjective /liːst/

Least

Meaning
smallest in amount or degree; minimal
Example
This is the least expensive option available.