Sierra Club
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C1 noun /siˈɛrə klʌb/

Sierra Club

Meaning
An American environmental organization founded in 1892 by John Muir, focused on promoting conservation of the natural environment by influencing public policy decisions.
Example
John Muir founded the Sierra Club in 1892 to protect wild areas.
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".
C2 verb /blæsˈfiːm/

blaspheme

Meaning
to speak irreverently about God or sacred things
Example
He was accused of blaspheming during the heated argument.
B2 noun /ˈmɜːrtʃənt/

merchant

Meaning
a person or company involved in the trade of goods, especially in large quantities
Example
The merchant sold spices from distant lands.
B2 noun /lɔːɡ/

Log

Meaning
a piece of a dead or felled tree trunk or branch, especially one stripped of bark
Example
They sat on a log by the campfire.
C2 adjective /ɪnˈseɪʃiət/

insatiate

Meaning
impossible to satisfy; always wanting more
Example
He had an insatiate desire for power.
B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

Meaning
Coming after something in time; following in time or order.
Example
Subsequent events clarified the outcomes.
C1 noun /dɪˈmiːnər/

demeanour

Meaning
a person's outward behavior or appearance
Example
Her calm demeanour impressed everyone during the meeting.
B2 adjective /ˈsoʊʃəbəl/

Sociable

Meaning
friendly and enjoys being with other people; outgoing
Example
She is very sociable and makes friends easily.
C2 noun /ˈpruːdəri/

prudery

Meaning
the behavior or attitude of people who are too easily shocked or offended by sexual matters
Example
His prudery often made others uncomfortable during open discussions.
A1 noun /tʃaɪld/

child

Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
C2 adjective /ˈrʌdi/

ruddy

Meaning
Having a healthy red color in the face.
Example
She had a ruddy complexion from working outdoors.
C2 noun /ˈneɪvəri/

knavery

Meaning
dishonest or deceitful behavior; trickery
Example
The politician’s knavery was exposed by the media.
A1 noun /tɒp/

top

Meaning
the highest or uppermost point, part, or surface of something
Example
The book is on the top shelf.
C1 noun ɪmˈpɛə(r)mənt

impairment

Meaning
The state of being damaged or weakened; a disability or handicap.
Example
Hearing impairment can be caused by long-term exposure to loud noise.
C1 adjective /kəˈnɒnɪkəl/

canonical

Meaning
Conforming to a general rule or accepted standard; officially recognized.
Example
Shakespeare’s works are considered canonical in English literature.
B2 noun /fliːt/

fleet

Meaning
a group of ships, vehicles, or aircraft operating together under one command
Example
The navy deployed its entire fleet for the exercise.
B2 noun /ˈlɪt.ər.ə.si/

Literacy

Meaning
the ability to read and write; competence or knowledge in a specified area
Example
Adult literacy programs help people learn to read.
C1 noun /ˌdiːˈmer.ɪt/

Demerit

Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
B2 adjective /ænˈdʒelɪk/

angelic

Meaning
Like or characteristic of an angel; pure, kind, or innocent.
Example
The child had an angelic smile.
A2 noun ˈtʃælɪndʒ

challenge

Meaning
A call to take part in a contest or competition, especially a demanding or stimulating one; a task or situation that tests someone's abilities.
Example
Plastic pollution poses a significant challenge to global health.
A2 adjective /dɑːrk bluː/

Dark blue

Meaning
a deep shade of blue color
Example
She wore a dark blue dress to the party.
B2 adjective /ˈtræŋkwɪl/

tranquil

Meaning
Free from disturbance; calm and peaceful.
Example
A tranquil environment promotes relaxation and focus.
C1 noun /sʌˈmeɪʃən/

summation

Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
B2 noun ˌrɛzɪɡˈneɪʃən

resignation

Meaning
The acceptance of something undesirable but inevitable; giving up.
Example
Her resignation from the position was unexpected.
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.
B1 noun /ˈsʌn.flaʊər/

Sun flower

Meaning
a large yellow flower that turns to face the sun
Example
The sunflower field looked amazing in the bright sunlight.
C1 verb, noun /træmp/

tramp

Meaning
to walk heavily or noisily; a person who travels from place to place on foot, often homeless
Example
They tramped through the forest in heavy boots.
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 noun /ænˈθɒlədʒi/

anthology

Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
C1 noun /ˈsɒl.ɪs/

Solace

Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.
C1 verb /əˈkrɛdɪt/

accredit

Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
C1 adjective /ˈmɜː.sɪ.fəl/

Merciful

Meaning
showing compassion or forgiveness; kind and forgiving
Example
The merciful judge gave him a lighter sentence.
C2 adjective /ˈhɔːri/

hoary

Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
B2 adjective /ʌnˈhɛlpfəl/

unhelpful

Meaning
not providing help or support; making a situation harder rather than easier
Example
His unhelpful attitude slowed down the entire project.
B2 verb /mɜːrdʒ/

merge

Meaning
to combine or join together; to blend into one
Example
The two companies decided to merge to increase their market share.
B1 adjective /ˈvɛəriəs/

Various

Meaning
several different; many different types of
Example
She has lived in various countries around the world.
C1 adjective /ˈdɒdʒi/

Dodgy

Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
C1 adverb /ˈleŋθ.waɪz/

Lengthwise

Meaning
in the direction of the length; along the longest dimension
Example
Fold the paper lengthwise to make it easier to carry.
C2 adjective /ɡoʊʃ/

gauche

Meaning
lacking social grace, sensitivity, or tact; awkward
Example
His gauche remarks embarrassed everyone at the dinner party.
C1 adjective /ˌkætəˈklɪzmɪk/

cataclysmic

Meaning
Relating to or denoting a violent natural event or upheaval.
Example
The war had cataclysmic effects on the nation's economy.
B2 noun /ˈoʊtˌmiːl/

oatmeal

Meaning
A type of porridge made from ground oats, often eaten for breakfast.
Example
She eats a bowl of oatmeal every morning for breakfast.
C1 noun /ˈmɪlɪtəˌrɪzəm/

militarism

Meaning
The belief in maintaining a strong military and using it aggressively to defend or promote national interests.
Example
The rise of militarism in the region caused tension among neighboring countries.
C2 noun /ˈskɪnˌflɪnt/

skinflint

Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
B2 noun /ɪnˈsaɪdə/

insider

Meaning
a person within a group or organization who has access to confidential information
Example
He was an insider who knew all the company's secrets.
C1 verb /mɑːr/

mar

Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
B2 adjective /ˈbɪtər/

Bitter

Meaning
having a sharp, pungent taste; feeling or showing anger and disappointment
Example
The medicine had a bitter taste.
C1 adjective ʌnɪnˈhæbɪtəbəl

uninhabitable

Meaning
Not suitable or safe for people to live in.
Example
Rapid urbanization can make cities uninhabitable.
B1 adverb /ˈmiːn.waɪl/

Meanwhile

Meaning
at the same time; during the same period
Example
She was cooking dinner, meanwhile he was setting the table.
C2 noun /ˈsɛpəlˌtʃər/

Sepulture

Meaning
the act of burying a dead body; burial; a grave or tomb
Example
The ancient king's sepulture was discovered by archaeologists.
C2 verb /bɪˈlaɪ/

belie

Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
C2 noun /ˈpɒliˌkreɪsi/

polycracy

Meaning
rule by many; government by multiple authorities
Example
The nation experienced a polycracy after decentralization reforms.
A2 adverb; noun /ˌaʊtˈdɔːrz/

outdoors

Meaning
outside a building; the natural environment outside
Example
We spent the whole afternoon outdoors enjoying the fresh air.
B1 noun /ˈdɛkeɪd/

decade

Meaning
A period of ten years.
Example
The country has changed a lot in the past decade.
C2 verb /ˈhɑːrkən/

hearken

Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
C1 noun /ˈfɔːrwɜːrd/

foreword

Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
B1 noun rɪˈdʌk.ʃən

reduction

Meaning
The action or fact of making a specified thing smaller or less in amount, degree, or size.
Example
Greenhouse gas reduction is a primary global goal.
C1 adjective /ˈsʌpl/

supple

Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
C1 noun /ˈæd.vənt/

advent

Meaning
The arrival of a notable person, thing, or event.
Example
The advent of the internet changed the way people communicate.
C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

Meaning
To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.
Example
The company had to recalibrate its strategies to adapt to the market.
B2 noun /lɪˈdʒɪtɪməsi/

legitimacy

Meaning
the quality of being accepted as right, proper, or lawful
Example
The legitimacy of the election was questioned by observers.
B2 adjective /ɪnˈvaɪrənmənt ˈfrɛndli/

environment-friendly

Meaning
Designed or produced in a way that causes minimal harm to the environment, often using sustainable materials and processes that reduce ecological impact.
Example
Environment-friendly products are designed to reduce ecological damage.
C2 noun ˈɛn.ɡræm

Engram

Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
C1 verb /ˈmɛdəl/

meddle

Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
B2 noun /ˈmɑːrkər/

marker

Meaning
an object used to indicate a position, place, or boundary; a pen with a thick tip used for writing or drawing
Example
He used a red marker to underline the important points.
A2 verb /rɪˈlæks/

relax

Meaning
to make or become less tense or anxious; to rest
Example
After a long day, she likes to relax with a good book.
A1 verb /send/

send

Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
B2 verb /bræɡ/

brag

Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
A2 adjective /ˈspænɪʃ/

spanish

Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
C1 adjective ɪkˈskwɪzɪt

exquisite

Meaning
Extremely beautiful and delicate.
Example
The exquisite craftsmanship of the watch made it a collector's item.
B1 noun ˈθer.ə.pi

therapy

Meaning
Treatment intended to relieve or heal a disorder; the treatment of a mental or physical disorder.
Example
Gene therapy offers hope for genetic disorders.
A2 adjective /ɪl/

Ill

Meaning
sick; unwell; in poor health
Example
He felt ill and decided to stay home from work.
B2 noun /ˌvɛrɪfɪˈkeɪʃən/

verification

Meaning
The process of establishing the truth, accuracy, or validity of something.
Example
The bank requires verification of identity before opening an account.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
C2 adjective /suːˈpɜːrnəl/

supernal

Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
C2 verb /ˈædjʊˌleɪt/

adulate

Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
B2 noun rɪˈzentmənt

resentment

Meaning
Bitter indignation at having been treated unfairly.
Example
Resentment grew among the students.
C2 noun /ˈsʌfərəns/

sufferance

Meaning
patient endurance of pain, hardship, or delay; passive consent or tolerance
Example
He lived in poverty with quiet sufferance.
C2 noun /ˈæmɪti/

amity

Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
A2 adverb /ˈstrɒŋɡli/

strongly

Meaning
in a strong manner or to a great extent
Example
She strongly believes in the power of positive thinking.
B2 verb /saɪt/

cite

Meaning
to quote; to mention as an example or proof
Example
The lawyer cites relevant case law.
B2 adjective /wiː/

wee

Meaning
very small in size; tiny
Example
She gave me a wee smile before leaving.
A1 adjective /kloʊzd/

closed

Meaning
not open; shut
Example
The store is closed on Fridays.
B1 verb /weɪk/

wake

Meaning
to stop sleeping; to become alert
Example
I wake up at 7 AM every morning.
C2 adverb, noun /ˈwɛə.wɪð/

wherewith

Meaning
With which; the means or resources needed for something.
Example
He lacked the money wherewith to buy a new house.
C1 adjective /ˈkoʊvərt/

covert

Meaning
hidden, secret, or not openly acknowledged
Example
The spy conducted a covert operation behind enemy lines.
C1 noun /ˌdʒʊə.rɪsˈdɪk.ʃən/

Jurisdiction

Meaning
the official power to make legal decisions and judgments; the extent of this power
Example
This case falls under the jurisdiction of the federal court.
B1 adjective /æmˈbɪʃ.əs/

Ambitious

Meaning
having strong desire for success or achievement; aspiring
Example
She is ambitious and works hard to achieve her goals.
C2 noun ট্রোপোস্ফিয়ার

troposphere

Meaning
The lowest layer of Earth's atmosphere where weather phenomena occur.
Example
The troposphere is where weather phenomena occur.
C2 noun /næˈteɪʃən/

natation

Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
C1 noun /næk/

knack

Meaning
a natural skill or ability; a special talent for doing something easily
Example
She has a knack for making people feel comfortable.
C1 noun /ˈkɔːrdən/

cordon

Meaning
a line or circle of police, soldiers, or guards preventing access
Example
The police set up a cordon around the crime scene.
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
B2 noun /ˈtrɔːmə/

trauma

Meaning
a deeply distressing or disturbing experience; physical injury or emotional shock
Example
The accident left her with lasting emotional trauma.
C2 verb /fɪˈlɪsɪˌteɪt/

felicitate

Meaning
to congratulate; to express good wishes
Example
We felicitated the graduating students at the ceremony.
B2 verb /ʌpˈhoʊld/

uphold

Meaning
to maintain or support a principle, law, or decision
Example
The judge promised to uphold justice at all costs.
A2 noun /ˈkoʊkənʌt/

Coconut

Meaning
a large brown seed with hard shell containing white flesh and coconut water
Example
We drank coconut water directly from the coconut.
C2 verb /əˈkuːtər/

accouter

Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
B2 adjective /ˈθɔːtˌproʊvɪkɪŋ/

thought-provoking

Meaning
stimulating careful consideration or thought
Example
The movie was deeply thought-provoking and left a lasting impression.
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 verb /hæk/

hack

Meaning
to cut or chop roughly; to gain unauthorized access to a computer system
Example
The programmer managed to hack into the system.
C1 adjective /ɪˈnɒkjuəs/

innocuous

Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
B2 noun /ˈkæp.ʃən/

caption

Meaning
a brief explanation or description accompanying an illustration or photograph
Example
The caption under the photo explained who the people were.
C1 verb, noun /spraʊt/

sprout

Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
B2 verb /prɪˈveɪl/

prevail

Meaning
To prove more powerful or superior; to be widespread or common.
Example
Justice will always prevail over injustice.
B2 noun /ˈwaɪld.laɪf ˌkɒnsərˈveɪʃən/

wildlife conservation

Meaning
The practice of protecting wild animal species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems.
Example
Wildlife conservation aims to protect endangered species.
C1 noun /ɒpˈtɒmətri/

optometry

Meaning
The practice or profession of examining the eyes and prescribing corrective lenses.
Example
She studied optometry at the university to become an eye specialist.
C1 adjective /ˈɡlɛrɪŋ/

glaring

Meaning
Extremely obvious or shining intensely.
Example
There was a glaring mistake in the report.
A2 noun /ˈprɒd.ʌkt/

Product

Meaning
something that is manufactured or produced; the result of a process
Example
The company launched a new product in the market.
B2 noun /ˈdeb.riː/

debris

Meaning
Scattered pieces of waste or remains.
Example
Debris in the eyes causes irritation.
C1 verb /ˈkrɒs.briːd/

crossbreed

Meaning
to produce an animal or plant by mating two different breeds, varieties, or species
Example
Farmers crossbreed cows to improve milk production.
A2 noun /ɡoʊst/

Ghost

Meaning
an apparition of a dead person believed to be able to become visible to the living; a spirit
Example
The old mansion was rumored to be haunted by the ghost of its former owner.
B2 noun /ɡoʊl ˈsɛt.ɪŋ/

goal-setting

Meaning
The process of identifying something that you want to accomplish and establishing measurable objectives to achieve it.
Example
Effective goal-setting helps individuals stay focused and motivated.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
C1 verb /taʊt/

tout

Meaning
to promote, praise, or advertise aggressively
Example
The company touted its new product as a game-changer.
B1 noun ɡlæns

glance

Meaning
A quick or brief look.
Example
He glanced at the river and felt calm.
B2 noun ˈænsɛstərz

Ancestors

Meaning
A person from whom one is descended; a forefather.
Example
The family tree shows the names of all ancestors.
B2 noun /swɪŋ/

Swing

Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
B2 adjective /ˈɪn.tɪ.mət/

Intimate

Meaning
close in friendship; private and personal; detailed knowledge
Example
They have an intimate friendship that has lasted for decades.
C2 noun /ˌlæs.əˈreɪ.ʃən/

laceration

Meaning
a deep cut or tear in skin or flesh
Example
He needed stitches for a laceration on his leg.