toxic gases
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B2 noun ˈtɒksɪk ˈɡæsɪz

toxic gases

Meaning
Poisonous or harmful gases that can cause illness or death
Example
Toxic gases from industries contribute to air pollution.
C2 verb /bɪˈmjuːz/

bemuse

Meaning
To confuse or puzzle someone.
Example
The complex instructions bemused the new employees.
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
B2 noun, verb /pɪə(r)/

peer

Meaning
noun: a person of the same rank or status; verb: to look closely or with difficulty
Example
He tried to peer through the fog to see his peers on the other side.
B2 noun /boʊst/

Boast

Meaning
an act of talking with excessive pride about one's achievements
Example
His constant boast about his wealth annoyed everyone.
C1 noun /ˈmɔːr.ɡɪʤ/

Mortgage

Meaning
a legal agreement by which a bank lends money to buy property
Example
They took out a mortgage to buy their first house.
C1 noun /slæɡ/

slag

Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
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.
C2 noun /ˈdɛkəˌliːtər/

decaliter

Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
C1 adjective /ˈtæn.tə.laɪ.zɪŋ/

Tantalizing

Meaning
tempting and attractive but out of reach
Example
The tantalizing aroma of fresh bread filled the bakery.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
C2 verb /ˈprætəl/

prattle

Meaning
to talk at length in a foolish or inconsequential way
Example
The children would prattle on about their games.
C2 adjective /pərˈfɪdiəs/

perfidious

Meaning
deceitful and untrustworthy
Example
The spy was executed for his perfidious actions.
C1 noun /trʌsˈtiː/

trustee

Meaning
a person who holds or manages property or assets for the benefit of others
Example
She was appointed as the trustee of the family estate.
B2 noun /ˈsɛnət/

senate

Meaning
a legislative or governing body, typically the upper chamber in a bicameral legislature
Example
The senate voted in favor of the new healthcare bill.
A2 noun /ɪˈvent/

event

Meaning
something that happens, especially something important
Example
The concert was the biggest event of the year.
C2 noun /ˌhjuː.mɪ.fɪˈkeɪ.ʃən/

humification

Meaning
The process of organic matter decomposition to form humus in soil.
Example
Humification enhances soil structure and fertility.
C1 noun ˌnɒn.kəʊˌɒp.ərˈeɪ.ʃən

non-cooperation

Meaning
The practice of refusing to cooperate, especially as a form of protest.
Example
The non-cooperation movement gained momentum.
A1 adverb /ðeər/

There

Meaning
in or at that place; to that place
Example
I will meet you there at 5 PM.
A2 adjective ˈfɪz.ɪ.kəl

physical

Meaning
Relating to things perceived through the senses as opposed to the mind; tangible or concrete.
Example
Physical components form the system's base.
C1 verb /rɪˈsɜːrdʒ/

resurge

Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
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.
C1 adjective /miːk/

Meek

Meaning
gentle and submissive; humble; patient
Example
Despite his power, he remained meek and humble.
B2 noun/verb /sɪˈmɛnt/

cement

Meaning
a powdery substance that binds materials together; to make something strong or permanent
Example
The treaty helped cement the relationship between the two countries.
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
C2 verb /læmˈbæst/

lambast

Meaning
To criticize harshly or to beat severely.
Example
The coach lambasted the team for their poor performance.
B2 adverb /aɪˈrɒnɪkli/

ironically

Meaning
in a way that is contrary to what is expected or intended
Example
Ironically, the fire station burned down.
C2 noun /ˌæntiˈsaɪkloʊn/

anticyclone

Meaning
A weather system with high atmospheric pressure at its center, usually bringing calm and clear conditions.
Example
An anticyclone brought sunny weather across the region.
B2 adverb /ˈred.ɪ.li/

Readily

Meaning
willingly; easily; without hesitation
Example
She readily agreed to help with the project.
C2 adjective /əˈkɜːrsɪd/

accursed

Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
B1 adjective /sɪɡˈnɪfɪkənt/

significant

Meaning
Sufficiently great or important to be worthy of attention; noteworthy.
Example
Social media has a significant impact on relationships.
C1 noun /dɪsˈɒn.ər/

Dishonour

Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
B2 verb /trænzˈmɪt/

transmit

Meaning
to send or pass something from one place or person to another
Example
The antenna can transmit signals over a long distance.
C2 noun /juːˌtɪlɪˈtɛəriənɪzəm/

utilitarianism

Meaning
The ethical theory that actions are right if they are useful or for the benefit of the majority.
Example
Utilitarianism suggests that we should act to maximize overall happiness.
C2 verb /əˈkriːt/

accrete

Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
C1 adverb /ɪnˈdɛfɪnətli/

indefinitely

Meaning
for an unlimited or unspecified period of time
Example
The project has been postponed indefinitely.
C1 noun /nɪˈɡeɪʃən/

negation

Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
B1 noun /ˈkɪlər/

killer

Meaning
A person or thing that kills.
Example
The police caught the killer last night.
C2 noun /juː/

Ewe

Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
C1 noun /ˈwɔːkɪŋ fɪʃ/

Walking-fish

Meaning
a fish that can move on land using its fins and breathe air for extended periods
Example
The walking-fish can travel across dry land to find new water sources.
A2 verb /ʃʌt/

shut

Meaning
to close something, especially a door or window
Example
Please shut the door before you leave.
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
A1 noun /noʊz/

nose

Meaning
the part of the face that contains the nostrils and is used for breathing and smelling
Example
He has a sharp nose and can smell things from far away.
C2 noun /ˈriːbəs/

rebus

Meaning
a puzzle in which words are represented by pictures, symbols, or letters
Example
The children enjoyed solving the rebus puzzles in the magazine.
B2 verb /dɪˈvoʊt/

devote

Meaning
to give time, effort, or resources to something
Example
She devotes much of her time to helping the poor.
B2 noun /ˈhæs.əl/

Hassle

Meaning
irritating inconvenience; trouble or difficulty; a situation causing problems
Example
Booking tickets online can save you the hassle of waiting in long queues at the theater.
C2 verb /ˌkɒntrəˈvɜːrt/

controvert

Meaning
to dispute or argue against; to contradict
Example
The scientist controversed the previous research findings.
C2 verb /bɪˈstruː/

bestrew

Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
A2 noun /ˈdʒækɪt/

Jacket

Meaning
a piece of clothing worn on the upper body, typically having sleeves and fastening down the front
Example
He wore a leather jacket to protect himself from the cold wind.
B2 noun /məˈræl.ə.ti/

Morality

Meaning
principles concerning the distinction between right and wrong behavior
Example
The debate focused on the morality of the decision.
C1 noun/verb /brʊk/

brook

Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
C1 noun /nɪərˈvɑːnə/

nirvana

Meaning
A state of perfect happiness, peace, and freedom from suffering; in Buddhism, the ultimate goal of liberation.
Example
Meditation helps some people seek nirvana in their lives.
B2 verb /ˌmɪsˈjuːz/

misuse

Meaning
To use something incorrectly or for the wrong purpose.
Example
Misusing social media profiles can harm relationships.
A2 noun ˌtræn.spɔːrˈteɪ.ʃən

Transportation

Meaning
The movement of people or goods from one place to another.
Example
Efficient transportation reduces costs.
C2 adjective /vaɪˈtjuːpərəbl̩/

vituperable

Meaning
Deserving of blame, censure, or harsh criticism.
Example
His reckless actions made him vituperable in the eyes of his colleagues.
B1 noun /ˈkʌntrisaɪd/

countryside

Meaning
land outside cities and towns; rural areas with farms, fields, and villages
Example
She enjoys the peace and beauty of the countryside.
C1 adjective /ˈmaɪndləs/

mindless

Meaning
without thought or intelligence; done without consideration
Example
He was bored by the mindless tasks at work.
B1 adjective /ˈdiːsənt/

decent

Meaning
conforming to standards of propriety, good taste, or morality
Example
He found a decent job after months of searching.
C1 adjective /səbˈdʒɛktɪv/

subjective

Meaning
based on personal feelings, tastes, or opinions rather than facts
Example
Beauty is often considered a subjective concept.
B1 verb /pərˈsweɪd/

persuade

Meaning
to convince someone to do or believe something through reasoning or argument
Example
He persuaded his friend to join the club.
B2 verb /spreɪ/

spray

Meaning
to apply liquid to something in a fine mist
Example
She sprayed perfume on her wrist before leaving.
B1 verb /θrɪl/

Thrill

Meaning
to cause someone to feel very excited and pleased
Example
The roller coaster ride thrills adventure seekers.
B2 verb /kənˈsiːl/

conceal

Meaning
to hide something or keep it secret
Example
He tried to conceal his disappointment behind a smile.
C1 adjective ˌkaʊntəprəˈdʌktɪv

counterproductive

Meaning
Having the opposite of the desired effect; tending to hinder rather than help.
Example
Counterproductive activities often stem from dissatisfaction.
C2 adjective /ɪnˈtɛmpərət/

intemperate

Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
C1 noun/adjective /klɛft/

cleft

Meaning
a split or crack; a space or opening made by cleavage
Example
The goat disappeared into a cleft in the rocks.
A1 verb (past participle of 'bear'), adjective /bɔːrn/

born

Meaning
To come into life; brought into existence.
Example
He was born in Dhaka in 1995.
A2 noun /ˈbenɪfɪt/

Benefit

Meaning
an advantage or profit gained from something; a helpful or good effect
Example
Exercise has many health benefits for your body.
B2 noun /ˌnɔːrθˈiːst/

northeast

Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
B2 adjective ˈpeɪn.ləs

painless

Meaning
Not causing pain; involving little effort or stress.
Example
Modern methods ensure painless treatment.
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
B1 noun roʊps

ropes

Meaning
A length of thick strong cord made by twisting together strands of hemp, sisal, nylon, or similar material.
Example
The ropes were tied securely to lift the heavy load.
C1 verb /ˈɛkˌsaɪz/

excise

Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
B2 noun /ˈskʌlp.tər/

Sculptor

Meaning
an artist who creates sculptures by carving, modeling, or shaping materials
Example
The sculptor spent months creating a beautiful marble statue.
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.
B1 adjective ˌdem.əˈkræt.ɪk

democratic

Meaning
Relating to or supporting democracy or its principles.
Example
Democratic governance ensures equal rights.
A1 noun /ˈmʌni/

money

Meaning
A medium of exchange in the form of coins and banknotes; wealth or financial resources.
Example
He saved enough money to buy a new car.
C1 verb ɪˈluː.sɪ.deɪt

elucidate

Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
A2 adverb /ˈsʌm.haʊ/

Somehow

Meaning
in some way; for some reason that is not clear
Example
Somehow, I managed to finish the project on time.
C2 noun /buːb/

boob

Meaning
a foolish or clumsy person; an informal and sometimes rude term for a woman's breast
Example
He felt like a complete boob after forgetting the meeting.
C1 noun /dɪˈvɪnɪti/

divinity

Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
C2 noun /ˈmɪlk pɒt/

Milk-pot

Meaning
a container specifically used for storing or serving milk
Example
She poured fresh milk from the milk-pot into her glass.
B1 noun /ˈpɛnəlti/

penalty

Meaning
A punishment imposed for breaking a law, rule, or contract.
Example
He had to pay a heavy penalty for breaking the traffic rules.
B2 noun /ˈsɪnəmən/

Cinnamon

Meaning
aromatic spice obtained from the inner bark of several tree species
Example
Cinnamon is often used in baking and desserts.
C1 noun prəˈkjʊrmənt

procurement

Meaning
The action of obtaining or procuring something, especially for official purposes.
Example
The procurement of modern equipment has improved research accuracy.
B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

Meaning
having no particular interest or concern; not caring one way or another
Example
She was indifferent to the outcome of the match.
A2 noun /ˈbækɡraʊnd/

Background

Meaning
the circumstances or situation that form the setting; a person's education, experience, or social circumstances
Example
She has a strong background in mathematics and computer science.
C2 noun /ˈbrɔːdˌsaɪd/

broadside

Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
C1 noun /ˌɪməˈtjʊərəti/

immaturity

Meaning
the state of not being fully developed emotionally, mentally, or physically; lack of maturity
Example
His immaturity made it difficult for him to handle responsibility.
C1 verb /ˈflʌtər/

flutter

Meaning
to move or flap quickly and lightly; to beat or wave with small rapid motions
Example
The butterfly began to flutter its wings in the sunlight.
B1 noun /əˈtendəns/

Attendance

Meaning
the action or state of going regularly to or being present at a place or event
Example
The teacher takes attendance at the beginning of each class.
C2 verb əˈtɛn.ju.eɪt

attenuate

Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
A2 noun /ˈdjuː.ti/

Duty

Meaning
something that one is expected or required to do; moral or legal obligation
Example
It is our duty as citizens to vote in elections.
C2 verb /rɪˈdaʊnd/

redound

Meaning
to contribute greatly to a result or consequence, usually beneficial
Example
His hard work will redound to the success of the company.
C1 noun /məˈrɑːl/

Morale

Meaning
the confidence, enthusiasm, and discipline of a person or group
Example
The team's morale improved after the victory.
B2 verb /ˈænəlaɪz/

analyze

Meaning
to examine something in detail to understand it better or draw conclusions
Example
Scientists analyze data to discover new patterns.
C2 noun /ˈbriːzˌweɪ/

breezeway

Meaning
A roofed outdoor passage, often connecting two buildings.
Example
The breezeway connected the house to the garage.
C1 noun /vəˈræs.ə.ti/

veracity

Meaning
Conformity to facts; accuracy and truthfulness.
Example
The journalist checked the veracity of the report.
C2 adjective /ɡɑːrˈɡæntʃuən/

gargantuan

Meaning
Extremely large; enormous.
Example
They served a gargantuan meal at the feast.
A2 noun ˈmɒd.əl

model

Meaning
A framework, prototype, or simulation used to represent or understand a system or process.
Example
Scientists use a model to simulate climate change.
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
B2 noun ˈfeɪs tə ˈfeɪs ˈbætl

face-to-face battle

Meaning
A direct confrontation or fight between opposing forces.
Example
The warriors fought a face-to-face battle with the enemies.
A2 noun /ˈhɛdeɪk/

headache

Meaning
a continuous pain in the head; something that causes worry or difficulty
Example
Too much screen time can give you a terrible headache.
C1 noun /krɪˈden.ʃəl/

credential

Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

Meaning
the action of fixing the boundary or limits of something; separation or division
Example
The demarcation between public and private land was clearly marked.
C2 verb /ˈkænənaɪz/

canonize

Meaning
To officially declare a dead person a saint; to regard as great or significant.
Example
The church canonized the martyr after years of investigation.
B2 verb, noun /stɔːl/

stall

Meaning
to stop or cause to stop temporarily; a small shop or stand
Example
The car stalled on the way to the office.
B1 noun /pɔːrk/

pork

Meaning
the flesh of a pig used as food
Example
He doesn't eat pork for religious reasons.
A2 noun /ɡræs/

grass

Meaning
plants with narrow green leaves, often covering the ground in fields or gardens
Example
Children are playing on the grass.
C1 noun /ɪnˈɛk.wɪ.ti/

inequity

Meaning
Lack of fairness or justice; unequal distribution or treatment.
Example
Social inequity continues to be a global issue.
C2 adjective /əˈmɔːrfəs/

amorphous

Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

Meaning
the state of being continuous or connected; consistency over time
Example
Maintaining continuity in leadership is essential for organizational stability.
C2 adjective /æbˈstruːs/

abstruse

Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
B2 verb /ˈlaɪtən/

lighten

Meaning
to make something brighter or less dark; to make something less heavy or serious
Example
A joke can lighten the mood during a tense meeting.
B2 adjective /ˈɡlæm.ər.əs/

Glamorous

Meaning
having glamour; attractive in an exciting way; fashionable;
Example
The actress looked glamorous in her designer gown at the awards ceremony.
C1 noun ɡrɪt

grit

Meaning
Long-term determination and perseverance in the face of hardship and challenges.
Example
His grit and hard work led him to success.
A2 noun /spɔːt/

sport

Meaning
an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment
Example
Football is a popular sport around the world.
B2 adverb /ˈmɔːrəli/

Morally

Meaning
in accordance with principles of right and wrong behavior; ethically
Example
She felt morally obligated to help the refugees.
A2 adjective /ˈselfɪʃ/

Selfish

Meaning
caring only about oneself rather than others
Example
He was too selfish to share his food with others.
B2 adjective /ˈvɪɡ.ər.əs/

vigorous

Meaning
Characterized by high energy and vitality.
Example
Regular exercise keeps the body vigorous and healthy.
B1 noun /ˈvɪk.tɪm/

Victim

Meaning
a person who suffers harm, injury, or death as a result of an event or action
Example
The victim was taken to the hospital immediately.