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C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
C2 noun /ˈkɒl.ə.kwi/

colloquy

Meaning
A formal conversation or dialogue, often on serious or academic topics.
Example
The professors engaged in a deep colloquy about the future of education.
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
B2 noun /ˈænsestər/

Ancestor

Meaning
a person, typically one more remote than a grandparent, from whom one is descended
Example
She researched her family tree to learn about her ancestors.
C2 adjective /mɜːrˈkjʊriəl/

mercurial

Meaning
subject to sudden or unpredictable changes of mood or mind.
Example
She is known for her mercurial temperament.
C1 adjective /rɪˈkʌr.ənt/

Recurrent

Meaning
happening repeatedly; occurring again and again; periodic;
Example
She has been suffering from recurrent headaches for months.
A1 verb /fərˈɡet/

forget

Meaning
to be unable to remember something; to fail to bring something to mind
Example
Don't forget to lock the door when you leave.
C2 noun /ˈsɛrəf/

seraph

Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
A2 verb /dɪˈstrɔɪ/

destroy

Meaning
to damage something so badly that it cannot be used
Example
The fire destroyed the entire building.
C1 verb /skɒf/

scoff

Meaning
to speak about something in a mocking or dismissive way
Example
He scoffed at the idea of moving abroad.
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
A2 verb /tʃiːt/

cheat

Meaning
to act dishonestly; to break rules for advantage
Example
He cheats on the exam by copying answers.
B1 adjective /ˈwaɪə.ləs/

Wireless

Meaning
operating without wires; using radio waves for communication
Example
My wireless headphones provide excellent sound quality without any cables.
B2 noun /ˈdʒel.i fɪʃ/

Jelly fish

Meaning
a soft-bodied marine animal with a gelatinous umbrella-shaped body and trailing tentacles
Example
The jellyfish floated gracefully through the water with its translucent body.
B1 adverb /ˈleɪt.li/

Lately

Meaning
recently; in the recent past; not long ago
Example
I haven't seen him lately, but I heard he got a new job.
C2 noun /əˈɡrɒnəmi/

agronomy

Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
B1 noun /ˈɛlɪmənt/

element

Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
C2 adjective /ˈvækjuəs/

vacuous

Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
A2 noun /tjuːb/

tube

Meaning
a hollow cylinder used to convey something, typically fluid
Example
He used a tube to measure the liquid.
C2 adjective /ˈfraʊzi/

frowzy

Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
B2 adjective /ˈdʒɔɪfəl/

joyful

Meaning
full of joy and happiness; causing joy or delight
Example
She felt joyful when she heard the good news.
C1 noun /ədˈhiːʒən/

adhesion

Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
A1 adverb /suːn/

Soon

Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
A1 noun /ˈsɪstər/

sister

Meaning
a female sibling; a girl or woman in relation to other children of her parents
Example
My sister is coming to visit us next week.
C2 noun /ˈfaɪləm/

phylum

Meaning
a primary category in the biological classification of organisms, above class and below kingdom
Example
Humans belong to the phylum Chordata.
B2 noun /ˌriːprəˈdʌkʃən/

reproduction

Meaning
The process of producing offspring; the act of copying or duplicating.
Example
The textbook included a detailed diagram of human reproduction.
B2 verb /əˈteɪn/

attain

Meaning
to achieve or reach something
Example
She worked hard to attain her goals.
A2 adverb /əˈpɑːrt/

Apart

Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
B1 adjective /ˈpeɪn.fəl/

painful

Meaning
causing physical or emotional pain
Example
The injury was very painful, and he needed immediate care.
A2 adjective /ʌnˈtaɪdi/

Untidy

Meaning
not neat or orderly; messy and disorganized
Example
Her untidy room was filled with clothes scattered everywhere.
B2 verb, noun, adjective /flʌʃ/

flush

Meaning
to become red in the face, usually from embarrassment, heat, or excitement; to clean something with a flow of water
Example
She flushed with embarrassment when she realized her mistake.
C2 noun /ˈpæk.ɪ.dɜːrm/

pachyderm

Meaning
a large mammal with thick skin, such as an elephant, rhinoceros, or hippopotamus
Example
The zoo had several pachyderms, including elephants and rhinos.
C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

Meaning
A person who brings about or initiates something, usually something bad.
Example
The police identified him as the instigator of the violence.
B2 noun, adjective /ˈkɒrəl/

coral

Meaning
a hard, rock-like marine organism formed by tiny sea animals; a pinkish-orange color resembling coral
Example
The coral in the reef provides shelter for many sea creatures.
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
B2 noun /ʌnˈrest/

Unrest

Meaning
a state of dissatisfaction and disturbance; social or political disorder
Example
The economic crisis led to widespread social unrest.
A1 verb /juːz/

use

Meaning
to employ something for a purpose; to take advantage of
Example
I use my computer for work and entertainment.
C1 noun /rɪˈflɛktər/

reflector

Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
C2 noun /kəˈnɑːrd/

canard

Meaning
a false or unfounded story or rumor
Example
The article turned out to be nothing more than a canard.
C1 adjective /ʌnˈmɒdɪfaɪd/

unmodified

Meaning
not changed from its original form or state
Example
The data was used in its unmodified form for analysis.
C1 verb /kənˈstrɪkt/

constrict

Meaning
to make narrower or tighter; to shrink or compress
Example
The snake constricted its prey before swallowing.
C2 noun /ˌɑːpərˈtuːnɪzəm/

opportunism

Meaning
The practice of taking advantage of opportunities regardless of principles or ethics.
Example
His decision was driven by opportunism, not values.
A2 number /ˈfɪfti/

fifty

Meaning
the number 50
Example
The stadium can hold fifty thousand people.
B2 verb /siːs/

cease

Meaning
to bring or come to an end; to stop doing something
Example
The noise ceased as soon as the children went inside.
B1 noun /ˈstʌmək eɪk/

stomach ache

Meaning
Pain in the stomach or abdominal area
Example
I have a stomach ache after eating too much.
C2 adjective /ˈdjuːtiəbl/

dutiable

Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
B2 noun ˈmaɪl.stəʊn

milestone

Meaning
An important event or stage in the development, progress, or history of something.
Example
This discovery is a milestone in biotechnology.
C1 noun /ˈjuː.fə.mɪ.zəm/

euphemism

Meaning
A mild or indirect term substituted for one considered too harsh or direct; polite expression for something unpleasant.
Example
The phrase "passed away" is a euphemism for "died".
C1 adjective /ˈsɛnʃuəl/

sensual

Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
C1 noun /brɛdθ/

breadth

Meaning
The distance or measurement from side to side; width; a wide range.
Example
The breadth of his knowledge impressed everyone.
C2 noun /boʊ/

beau

Meaning
a male admirer or boyfriend; a fashionable young man
Example
She arrived at the party with her beau.
B1 adjective /ˈlaɪv.li/

Lively

Meaning
full of life and energy; animated; cheerful
Example
The children had a lively discussion about their favorite books.
B2 verb /əˈkɒmədeɪt/

accommodate

Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
C1 noun /ˈʌp.rɔːr/

Uproar

Meaning
a loud and emotional noise or disturbance; public outcry
Example
The announcement caused an uproar among the students.
C2 noun /ˈtɪl.ər/

Tiller

Meaning
a person who tills or cultivates land; a farmer
Example
The tiller worked hard in the fields every morning.
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
B2 noun /hɪˈstɔːriən/

historian

Meaning
a person who studies or writes about history
Example
The historian gave a lecture on ancient civilizations.
B1 noun /ˌmɪl.jəˈneər/

Millionaire

Meaning
A person whose wealth equals or exceeds one million units of currency
Example
He became a millionaire through smart investments and hard work.
B1 noun /ˈtʃɪl.i/

Chilly/Chilli

Meaning
noticeably cold; a hot-tasting pod of a variety of capsicum, used as a spice
Example
The chef added red chilli to make the curry spicier.
B2 noun pəˈspek.tɪvz

perspectives

Meaning
A particular attitude toward or way of regarding something; a point of view.
Example
New perspectives enhance understanding.
B2 noun/verb /kəˈmjuː.tɪŋ/

commuting

Meaning
Regular travel to and from workplace, daily journey for work.
Example
He spends two hours commuting to work every day.
C2 noun /ˈɡrɑːtoʊ/

grotto

Meaning
a small picturesque cave, often artificial
Example
Tourists visited the grotto hidden behind the waterfall.
C1 adjective ɪnˈdel.ə.bəl

indelible

Meaning
Making marks that cannot be removed; impossible to forget or remove.
Example
Her speech left an indelible mark on the audience.
C2 noun /ˈblændɪʃmənt/

blandishment

Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
C1 adjective /ˈɪmpətənt/

impotent

Meaning
Lacking power, ability, or strength to take effective action.
Example
The citizens felt impotent against the corrupt system.
C1 noun /kəˈres/

Caress

Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
C2 noun /ˌtɜːsənˈtɛnəri/

tercentenary

Meaning
The 300th anniversary of an event.
Example
The city celebrated its tercentenary with a grand festival.
C2 verb /rɔɪl/

roil

Meaning
to make a liquid muddy or disturbed; to cause agitation or disorder
Example
The constant protests roiled the city streets.
A1 noun /ˈiːv.nɪŋ/

evening

Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
A2 noun, verb /ˈɪʃuː/

issue

Meaning
A problem, topic, or the act of supplying or distributing something.
Example
The magazine will issue a new edition next week.
A2 adjective /ʌnˈhel.θi/

Unhealthy

Meaning
harmful to health; not in good health; detrimental to well-being
Example
Eating too much fast food is unhealthy for your body.
C2 noun /bleɪn/

Blain

Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
C1 noun /ˈpɪt.fɔːl/

pitfall

Meaning
a hidden or unexpected danger or difficulty
Example
Investors must be aware of the pitfalls of the market.
A2 noun /ˈbʊkɪŋ/

booking

Meaning
the act of reserving accommodations, tickets, etc.
Example
I made a booking for a hotel room in advance.
C2 noun /əˈrɔɪ.oʊ/

arroyo

Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
A2 adjective /ˈter.ə.bl̩/

Terrible

Meaning
extremely bad or serious; causing fear or dread; very poor quality
Example
The weather was terrible during our vacation.
B2 adjective /ˈræʃ.ən.əl/

Rational

Meaning
based on reason and logic; sensible and practical
Example
She made a rational decision based on the available facts.
B2 verb /rɪˈnuː/

renew

Meaning
to make something new again or extend its period of validity
Example
I need to renew my passport before traveling.
C1 noun /ˌʌl.tɪˈmeɪ.təm/

Ultimatum

Meaning
a final demand or statement of terms, the rejection of which will result in retaliation
Example
The boss gave him an ultimatum: improve or be fired.
C1 noun /ˌrɛfəˈrɛndəm/

referendum

Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
B2 verb /ˈdɒmɪneɪt/

dominate

Meaning
to have power or control over something or someone
Example
The company dominates the smartphone market.
C1 noun /prəˈpoʊnənt/

proponent

Meaning
a person who advocates for or supports a particular idea, cause, or plan
Example
She is a strong proponent of renewable energy.
C1 adjective /kwɪər/

Queer

Meaning
strange; unusual; peculiar; odd
Example
The old house had a queer atmosphere that made visitors uncomfortable.
C1 noun ɪnˈdɪdʒɪnəs trəˈdɪʃənz

Indigenous Traditions

Meaning
Cultural practices, beliefs, and customs that have been passed down through generations among native peoples.
Example
Indigenous traditions in the Chittagong Hill Tracts are unique.
B1 noun /peɪs/

pace

Meaning
the speed at which something happens or is done
Example
She walked at a slow pace.
C2 verb /ˈkɔː.tə.raɪz/

cauterize

Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
B2 noun /kəˈθɒlɪsɪzəm/

catholicism

Meaning
The faith, practice, and church order of the Roman Catholic Church.
Example
Catholicism has a long history and rich traditions.
A2 noun /ˈtiːneɪdʒər/

teenager

Meaning
a person aged between 13 and 19 years.
Example
Teenagers often enjoy hanging out with friends.
C1 adjective /əˈbreɪsɪv/

abrasive

Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
C1 noun /helm/

Helm

Meaning
a tiller or wheel for steering a ship or boat; a position of leadership or control
Example
The experienced captain took the helm and expertly navigated the ship through the storm.
C1 adjective /ˈliː.θəl/

Lethal

Meaning
deadly; fatal; capable of causing death
Example
The snake's venom is lethal to humans if not treated immediately.
B2 verb /ˈdɛvəˌsteɪt/

devastate

Meaning
to cause severe and overwhelming destruction or damage
Example
The hurricane devastated the coastal town.
C1 verb /əˈfɪʃieɪt/

officiate

Meaning
To perform official duties, especially in a ceremony or as a referee.
Example
The priest will officiate the wedding ceremony.
C2 verb /baɪd/

bide

Meaning
to wait patiently for the right time or opportunity
Example
He decided to bide his time before making a move.
B2 noun /mɪˈθɒlədʒi/

mythology

Meaning
A collection of myths, especially belonging to a particular culture or religion.
Example
Greek mythology is filled with stories of gods and heroes.
B2 noun /ˈwɪzdəm/

Wisdom

Meaning
the quality of having experience, knowledge, and good judgment; the soundness of an action or decision
Example
Age brings wisdom and experience.
B2 adjective /ɪmˈprɒp.ər/

Improper

Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
C1 noun /əˈlɒt.mənt/

allotment

Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
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.
B1 adjective /ˈplʊrəl/

plural

Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

Meaning
a statement or account that makes something clear; clarification of meaning
Example
The teacher gave a detailed explanation of the complex mathematical concept.
B2 noun /ˈɪmɪɡrənt/

immigrant

Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
B1 verb /stiːl/

steal

Meaning
to take something without permission; to rob
Example
It's wrong to steal from others.
A2 noun /koʊt/

Coat

Meaning
an outer garment worn over other clothes for warmth or protection
Example
He put on his winter coat before going outside.
C2 noun /ˈdʒɛtsəm/

jetsam

Meaning
Unwanted material or goods thrown overboard from a ship and washed ashore.
Example
The beach was littered with jetsam after the storm.
B2 noun /səˈnɛərioʊ/

scenario

Meaning
a possible situation or sequence of events
Example
The company prepared for the worst-case scenario.
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
C1 noun /prəˈdʒɛktaɪl/

projectile

Meaning
An object fired, thrown, or propelled, especially from a weapon.
Example
The soldier dodged the incoming projectile.
C2 noun /ˈpɔl.zi/

Palsy

Meaning
paralysis, especially that which is accompanied by involuntary tremors; loss of muscle control
Example
The elderly man suffered from palsy in his hands.
B1 verb /ɪˈstæblɪʃ/

establish

Meaning
To set up, create, or bring into existence something on a firm basis.
Example
The company plans to establish a new office in Dhaka.
B1 noun /stiːl/

steel

Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
C2 noun /ˈpɑːrsɪmoʊni/

parsimony

Meaning
extreme unwillingness to spend money or use resources
Example
His parsimony was evident in the way he avoided any unnecessary expenses.
C1 noun /ˈæk.jʊ.mən/

acumen

Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
A2 noun /maɪl/

mile

Meaning
a unit of distance equal to 1,609.34 meters; a long distance figuratively
Example
She walked a mile to reach the bus stop.
B1 noun /ˈmiːdiəm/

medium

Meaning
A means or channel of communication, expression, or artistic work.
Example
Television is a powerful medium for spreading information.
C2 adjective /ˈvoʊtɪv/

votive

Meaning
Offered or dedicated in fulfillment of a vow.
Example
She lit a votive candle in the church as a prayer.
C2 noun /ˈtrɪmnəs/

trimness

Meaning
the quality of being neat, orderly, or slender and well-proportioned
Example
Her room’s trimness reflected a habit of putting everything back in its place.
B1 adjective /ˈmiː.nɪŋ.fəl/

Meaningful

Meaning
having significance; purposeful; important
Example
She found meaningful work helping others.
C2 noun /pəˈnʌmbrə/

penumbra

Meaning
a partially shaded area around the shadow of an object, especially during an eclipse
Example
The moon’s penumbra created a dim shadow over the Earth.
C1 noun /ɪnˈdjuːsmənt/

inducement

Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
B2 noun /ˈdʒæn.ɪ.tər/

Janitor

Meaning
a person employed to clean and maintain a building; a caretaker
Example
The school janitor worked late every evening to ensure the classrooms were spotless.