eco-friendly technologies
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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 ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
B2 verb /ˈɪmɪteɪt/

imitate

Meaning
to copy the behavior or manner of someone or something
Example
Children often imitate their parents' behavior.
B1 noun /æks/

Axe

Meaning
a tool with a heavy blade for cutting wood
Example
The lumberjack swung his axe to chop the tree.
C1 noun ˈæf.lu.əns

affluence

Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
C1 adjective /ɪnˈvɑːlənˌtɛri/

involuntary

Meaning
done without will or conscious control
Example
He gave an involuntary shiver when he heard the loud noise.
C1 noun /ˈsed.ɪ.mənt/

Sediment

Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
A2 verb /kaʊnt/

count

Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
C2 noun /bjuːt/

butte

Meaning
an isolated hill with steep sides and a flat top, common in arid regions
Example
The travelers could see a tall butte rising in the desert.
C1 noun /əˈfɪn.ɪ.ti/

affinity

Meaning
A natural liking for or attraction to a person, thing, idea, etc.
Example
She has an affinity for classical music.
B1 noun əˈwɛrnɪs

Awareness

Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.
C2 noun /ˈmæl.kənˌtɛnt/

malcontent

Meaning
A person who is dissatisfied or rebellious; one who is not content.
Example
The malcontent voiced his grievances against the government.
B1 adjective /ˈkʌtɪŋ/

cutting

Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
C2 adjective /ˈɡɔːdi/

gaudy

Meaning
excessively showy or flashy, often in a tasteless way
Example
She wore a gaudy necklace that clashed with her elegant dress.
A2 noun /ˈblæŋ.kɪt/

Blanket

Meaning
a large piece of woolen or similar material used as a covering for warmth
Example
She wrapped herself in a warm blanket on the cold night.
B1 noun /læd/

lad

Meaning
a boy or young man; a male youth
Example
The young lad helped his father in the shop.
B1 noun /ˌɒp.əˈtjuː.nə.ti/

opportunity

Meaning
A favorable chance or set of circumstances that makes it possible to do something.
Example
She seized the opportunity to study abroad.
A1 adjective /dɪr/

dear

Meaning
loved or cherished; sometimes used as a polite form of address
Example
She is very dear to her grandparents.
C2 adjective /ˈnjuː.trɪ.tɪv/

nutritive

Meaning
Relating to nutrition; having nourishing qualities.
Example
The nutritive value of the fruit is very high.
B2 adjective əˈkwætɪk

aquatic

Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
C1 adjective ɪɡˈzɛmpləri

exemplary

Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
B1 noun /ˈtriːtmənt/

Treatment

Meaning
medical care given to a patient for an illness or injury; the action of treating someone or something
Example
The doctor recommended a new treatment for her condition.
B1 noun /ˌprɛpəˈreɪʃən/

preparation

Meaning
The act of getting ready or making arrangements for something.
Example
The team made careful preparation for the presentation.
C2 noun /ˈeə.rəm/

Arum

Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
B2 noun /ˈpæn.ɪk/

Panic

Meaning
sudden uncontrollable fear or anxiety; a state of widespread fear and anxiety
Example
The fire alarm caused panic among the students.
C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

Meaning
A violent uprising against an authority or government.
Example
The army was called in to suppress the insurrection.
C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
C2 verb /ˈprɒsəˌlaɪtaɪz/

proselytize

Meaning
To try to persuade someone to convert to a different belief or religion.
Example
They tried to proselytize the villagers with their new ideas.
B2 adjective /ʌnˈraɪp/

Unripe

Meaning
not fully developed or matured; not ready to be eaten
Example
The unripe bananas will turn yellow in a few days.
B2 adjective /ˌʌndɪˈveləpt/

Undeveloped

Meaning
not yet developed; immature or primitive
Example
The undeveloped land was later turned into a park.
A2 noun /hoʊl/

Hole

Meaning
a hollow place in a solid body or surface; an opening through something
Example
The dog dug a deep hole in the backyard to bury its favorite bone.
A1 adjective /ˈθɜrti/

thirty

Meaning
equivalent to the number 30
Example
He is thirty years old.
B1 adjective ˈkɒmplɛks

complex

Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
C2 verb /ˌɪntərˈlɒk/

interlock

Meaning
to fit or connect together securely so that two or more things are joined
Example
The gears interlock to ensure smooth movement of the machine.
C1 verb /ˈhɔːrɪfaɪ/

horrify

Meaning
to fill with horror; to shock or disgust greatly
Example
The violent scene horrified the audience.
B1 verb /rɪˈviːl/

reveal

Meaning
to make known or show something that was hidden
Example
The investigation revealed the truth.
A2 noun /ˈkælkjʊleɪtər/

calculator

Meaning
an electronic or mechanical device used to perform mathematical calculations
Example
She used a calculator to solve the complex equation.
A2 noun /ˈlem.ən/

Lemon

Meaning
a yellow citrus fruit with acidic juice
Example
She squeezed a lemon into her tea.
C1 noun /eb/

Ebb

Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
C1 adjective /ˈvendʒ.fəl/

Vengeful

Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
B1 noun /kraʊn/

Crown

Meaning
a circular ornamental headdress worn by a monarch as a symbol of authority
Example
The queen wore a magnificent crown during the coronation ceremony.
A1 verb /let/

let

Meaning
to allow someone to do something; to give permission
Example
Please let me help you with that task.
B1 noun /ˈkɒnflɪkt/

conflict

Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
B2 noun /ˈdeɪtəbeɪs/

database

Meaning
a structured collection of data stored and accessed electronically
Example
The company's customer details are stored in a secure database.
C1 verb /ˈsmʌðər/

smother

Meaning
to kill someone by covering their nose and mouth to prevent breathing; to cover something completely; to overwhelm with excessive attention or affection
Example
She smothered the fire with a blanket.
C1 noun /ɡruːv/

groove

Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
B2 adjective /ʌnˈnætʃərəl/

Unnatural

Meaning
not existing in nature; artificial; forced
Example
The actor's smile looked unnatural and forced.
C1 adjective /koʊˈɪnsɪdənt/

coincident

Meaning
Occurring at the same time; occupying the same position in space or time.
Example
The festival was coincident with the national holiday.
B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

Meaning
A person chosen or appointed to act or speak for another or others.
Example
The representative addressed critical issues.
B1 noun /ˈlɪm.ɪt/

Limit

Meaning
a point or level beyond which something does not or may not extend or pass; the greatest amount allowed
Example
There is a speed limit on this road.
B2 noun /ˈkɜːr.tə.si/

Courtesy

Meaning
the showing of politeness in one's attitude and behavior toward others; a polite gesture or remark
Example
He showed great courtesy by holding the door open for elderly people.
B1 noun /preɪz/

Praise

Meaning
words that show approval or admiration; to express approval or admiration
Example
The teacher gave praise to the students for their hard work.
B2 noun ɪnˈsɛntɪvz

incentives

Meaning
Things that motivate or encourage one to do something.
Example
Tax incentives are used to encourage investment in renewable energy.
B2 noun /ˈɡloʊbəl əˈwɛrnɪs/

global awareness

Meaning
Worldwide consciousness and understanding of important issues that affect people globally, leading to informed action and policy changes.
Example
Global awareness of climate change is essential for policy changes.
C1 adjective /ˈvɪrjʊlənt/

virulent

Meaning
Extremely severe or harmful in its effects.
Example
The virulent disease spread rapidly across the region.
C1 noun ˈsɒv.rɪn.ti

sovereignty

Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
C2 adjective /əbˈtruːsɪv/

obtrusive

Meaning
noticeable in an unpleasant or unwelcome way; intrusive
Example
The advertisement was so obtrusive that it ruined the user’s experience.
C2 noun /ˈmaʊntɪˌbæŋk/

mountebank

Meaning
A charlatan or trickster who deceives others, often for personal gain.
Example
The crowd was fooled by the mountebank’s false promises.
C1 noun /ˈsteɪtəs kwoʊ/

status quo

Meaning
The existing state of affairs, especially regarding social or political issues.
Example
The government decided to maintain the status quo until further review.
B1 adjective /ˈhoʊpfəl/

Hopeful

Meaning
feeling or inspiring optimism about a future event; confident; optimistic
Example
He remained hopeful despite the challenges.
C2 adjective /ˌtɔːtəˈlɒdʒɪkəl/

tautological

Meaning
expressing something by repeating the same idea in different words; redundant
Example
Saying 'free gift' is considered tautological.
C2 noun /ˈæpəfθɛm/

apophthegm

Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
C1 adjective /ˌpɛd.əˈɡɒdʒ.ɪ.kəl/

pedagogical

Meaning
Relating to teaching and education; concerned with the methods and practice of teaching.
Example
The school adopted new pedagogical techniques to improve learning.
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
C1 noun prɪˌsɪp.ɪˈteɪ.ʃən

precipitation

Meaning
Rain, snow, sleet, or hail that falls to or condenses on the ground.
Example
Annual precipitation levels are decreasing.
B2 noun /ˈwɔtər ˈpjʊrəˌfaɪər/

Water purifier

Meaning
A device that removes contaminants and impurities from water to make it safe for drinking
Example
We installed a water purifier in our kitchen to ensure clean drinking water.
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
A1 verb /klɪr/

clear

Meaning
to remove obstructions; to make clean or transparent
Example
Please clear the table after dinner.
C2 adverb /ˌeɪˈmɔːrəli/

amorally

Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
B2 noun /kənˈsɛʃən/

concession

Meaning
something that is granted, especially in response to demands; a compromise
Example
The company made several concessions during the negotiations.
C2 adjective /ˈprɒvɪdənt/

provident

Meaning
making or indicative of timely preparation for the future
Example
She was provident in saving money for her children’s education.
C1 noun/verb /ˈprɛdɪkət/ (noun), /ˈprɛdɪkeɪt/ (verb)

predicate

Meaning
noun: the part of a sentence that tells something about the subject; verb: to base or establish something on a particular idea
Example
His theory is predicated on sound research.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
B2 noun /əˈkɔːrdəns/

accordance

Meaning
agreement or harmony with something; compliance with rules, laws, or wishes
Example
The policy was implemented in accordance with international law.
B2 verb /ˈvæksɪneɪt/

vaccinate

Meaning
to give a vaccine to protect against a disease
Example
Children are usually vaccinated before starting school.
C1 noun /dɪˈspɜːrʒən/

dispersion

Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
B2 noun /ˈkɑːmpaʊnd/

compound

Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
C2 verb /ˈkæn.tər/

canter

Meaning
To ride a horse at a controlled, easy pace between a trot and a gallop.
Example
She cantered her horse across the field with ease.
B2 noun /dɪˈnaɪ.əl/

Denial

Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

Meaning
Impossible to refute, deny, or break
Example
The lawyer presented irrefragable evidence that proved his client’s innocence.
A1 noun /ˈpiːtsə/

pizza

Meaning
a flat round bread baked with toppings such as cheese, tomato, and other ingredients
Example
We ordered a large pepperoni pizza for dinner.
C1 adjective /ɪnˈtændʒəbl/

intangible

Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
A2 noun /ɪkˈsaɪt.mənt/

Excitement

Meaning
a feeling of great enthusiasm and eagerness
Example
The children could barely contain their excitement about the upcoming field trip.
B1 verb /ˈrɛdʒɪstər/

register

Meaning
To enter or record officially on a list or in a book.
Example
You must register for the conference before the deadline.
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
B2 noun /twɪɡ/

twig

Meaning
a small thin branch of a tree or bush
Example
She broke a twig off the tree to use as a stick.
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.
C1 noun ɪˈpɪf.ə.ni

epiphany

Meaning
A moment of sudden revelation or insight.
Example
He had an epiphany about his true purpose in life.
C1 adjective /ˌpæn.əˈmer.ɪ.kən/

Pan-American

Meaning
relating to all the countries of North, Central, and South America
Example
The Pan-American Games bring together athletes from across the continent.
A1 noun /tʃeər/

Chair

Meaning
a separate seat for one person, typically with a back and four legs
Example
Please sit on the chair.
A2 adjective /ˈdɪdʒ.ɪ.təl/

digital

Meaning
Relating to, using, or storing data or information in the form of digital signals; involving or relating to the use of computer technology.
Example
The world is shifting towards a digital economy.
C1 noun ˈpɜː.mə.kʌl.tʃər

permaculture

Meaning
The development of agricultural ecosystems intended to be sustainable and self-sufficient.
Example
Permaculture promotes self-sufficient farming systems.
A2 verb /rɪˈmaɪnd/

remind

Meaning
to cause someone to remember something
Example
Please remind me to call her tomorrow.
C2 adjective /ɪnˈkɒnstənt/

inconstant

Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
C1 verb /ˈmedɪkeɪt/

medicate

Meaning
to treat with medicine; to give drugs to someone for medical purposes
Example
The doctor will medicate the patient to reduce inflammation.
B2 adjective /ˈwɜːldli/

worldly

Meaning
Concerned with material values or ordinary life rather than spiritual matters.
Example
He was more interested in worldly success than in spiritual growth.
C2 noun /ˈslʌɡərd/

sluggard

Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
C1 adverb /ˈhed ɑn/

Head-on

Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
B2 verb /ˈsʌməraɪz/

summarize

Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
B2 noun /əˈpɒstrəfi/

apostrophe

Meaning
A punctuation mark (') used to indicate possession or the omission of letters or numbers.
Example
You need an apostrophe in the word 'children’s'.
C1 verb /ˈfɔːrfɪt/

forfeit

Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
C1 noun /ɪkˈstɔːr.ʃən/

extortion

Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
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.
C2 adjective /ˈlæmbənt/

lambent

Meaning
glowing or flickering softly; having a gentle radiance
Example
The lambent light of the candle filled the room with warmth.
C1 noun /sɪˈnɪləti/

senility

Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
B2 noun plɒt

plot

Meaning
The main story of a piece of writing, or the series of events that happen in it.
Example
The plot of A Tale of Two Cities is intense and gripping.
B2 verb /ˈdɛzɪɡneɪt/

designate

Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
B2 noun /ˈklʌstər/

cluster

Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
A2 noun /ˈef.ət/

Effort

Meaning
physical or mental activity needed to achieve something
Example
She put a lot of effort into preparing for the final examination.
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
C2 noun /ˌrep.ɑːˈtiː/

Repartee

Meaning
conversation or speech characterized by quick, witty comments or replies
Example
The dinner party was filled with brilliant repartee between the guests.
A2 noun /fɑːrm/

farm

Meaning
an area of land used for growing crops and raising animals
Example
They live on a farm with many animals.
B2 noun/verb /ˈlɪtər/

litter

Meaning
rubbish or waste left lying in a public place; to make a place untidy by leaving rubbish
Example
The park was full of litter after the festival.
B2 noun /ɪnˌvaɪrənˈmɛntəl ˈmuːvmənt/

environmental movement

Meaning
A social or political movement aimed at protecting the environment and promoting sustainable practices through advocacy, education, and policy changes.
Example
The environmental movement focuses on reducing pollution and protecting ecosystems.
B1 adjective /ˈdiː.teɪld/

detailed

Meaning
Having many details; very thorough.
Example
The report provided a detailed analysis of the situation.
B2 verb /fraʊn/

frown

Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
C1 adjective bəˈnev.əl.ənt

benevolent

Meaning
Kind, generous, showing goodwill and kindness.
Example
His benevolent nature made him beloved.