amphibian
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B2 noun /æmˈfɪbiən/

amphibian

Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
A1 adjective /oʊˈkeɪ/

ok

Meaning
used to indicate agreement, approval, or understanding
Example
Okay, let's go to the park.
B2 noun /ˈkrɪstəl/

crystal

Meaning
a clear, transparent mineral or glass that forms a solid structure with regular patterns
Example
She wore a necklace made of sparkling crystal.
B2 adjective ɪˈmɜː.sɪv

immersive

Meaning
Providing, involving, or characterized by deep absorption or immersion in something.
Example
Virtual reality creates an immersive learning environment.
A1 adjective /ˈsɪmpəl/

Simple

Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
C2 noun /ˈhɪl.sə fɪʃ/

Hilsa fish

Meaning
a popular fish species found in South Asian rivers, especially prized in Bengali cuisine
Example
Hilsa fish is considered a delicacy in Bengali culture.
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
C1 adjective, verb /ˈeɪlɪŋ/

ailing

Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
B2 verb /ˈtrɛmbəl/

tremble

Meaning
To shake slightly, often because of fear, cold, or nervousness.
Example
She began to tremble with fear before speaking.
B2 adjective ˈmɒn.ɪ.tri

monetary

Meaning
Relating to money or currency.
Example
The monetary implications are significant for investors.
B2 noun əˈʃɔː.rəns

assurance

Meaning
A positive declaration intended to give confidence; a promise.
Example
Assurance of quality is a priority for the council.
B2 noun /ˈɑːnər/

honor

Meaning
high respect; great esteem
Example
He received an award in honor of his achievements.
C1 adjective /sliːk/

sleek

Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
C1 adjective /ˈɒptɪk/

optic

Meaning
Relating to the eye or vision.
Example
The optic nerve carries signals from the eye to the brain.
C2 noun /ˈdaɪətraɪb/

diatribe

Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
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.
C1 adjective /ɪnˈɡreɪnd/

ingrained

Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
B1 adjective /rɪˈlækst/

relaxed

Meaning
free from tension or stress; calm and comfortable
Example
She felt relaxed after listening to soft music.
B1 noun /rɪˈtaɪə.mənt/

Retirement

Meaning
the action or fact of leaving one's job and ceasing to work; the period of life after leaving work
Example
He is planning his retirement after 40 years of service.
B1 adjective /ˈsekənderi/

secondary

Meaning
Less important than something else; derived from or dependent on something primary.
Example
Safety is our primary concern, while speed is only secondary.
B1 adverb /əˈrɪdʒɪnəli/

originally

Meaning
in the beginning, at first
Example
Originally, she wanted to be a doctor.
B2 noun /ˌsoʊsiˈɑːlədʒi/

sociology

Meaning
the study of society, human relationships, and social institutions
Example
She is studying sociology at university.
B2 noun /ˈpærɪʃ/

parish

Meaning
A local church community or the area served by a parish church.
Example
The parish gathered for Sunday service.
A2 adjective /ˈriː.sənt/

Recent

Meaning
happening not long ago; new; current;
Example
The recent changes in weather patterns concern scientists.
C1 verb /əˈliː.vi.eɪt/

alleviate

Meaning
To make suffering, deficiency, or a problem less severe; to relieve or ease.
Example
Meditation can alleviate stress and improve focus.
C1 noun mælˈnʌr.ɪʃ.mənt

malnourishment

Meaning
Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat.
Example
Children in poverty-stricken areas suffer from malnourishment.
C1 verb /ˌriːˈkæst/

recast

Meaning
To present or change something in a different form or style.
Example
The director decided to recast the role with a younger actor.
C1 noun /wedʒ/

Wedge

Meaning
a triangular piece of wood or metal used for splitting or securing; a piece of cheese or cake
Example
He used a wooden wedge to split the log into smaller pieces.
B1 verb /ˈɛdjʊˌkeɪt/

educate

Meaning
to give knowledge, skills, or training to someone; to teach
Example
Parents should educate their children about healthy habits.
B2 verb /ˈklæsɪfaɪ/

classify

Meaning
to arrange or organize into categories or groups
Example
The librarian classified the books by subject.
A2 noun /ˈbʌdi/

buddy

Meaning
a close friend or companion, used informally
Example
He went to the movies with his best buddy.
B2 verb /skriːtʃ/

screech

Meaning
to make a loud, high-pitched and unpleasant sound
Example
The car screeched to a halt.
B2 noun /veɪn/

Vein

Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
B2 noun, verb /ˈaʊtlɔː/

outlaw

Meaning
as a noun: a person who breaks the law and lives outside its protection; as a verb: to make something illegal
Example
The government decided to outlaw the harmful practice.
B2 adverb /ˈædɪkwətli/

adequately

Meaning
in a satisfactory manner
Example
He completed the task adequately, but could improve next time.
C2 noun /pɪks/

pyx

Meaning
a small container, often used in Christian liturgy to carry the consecrated host
Example
The priest placed the consecrated host into the pyx before visiting the sick.
C2 noun /ˈflæɡ ˌɒfɪsər/

flag-officer

Meaning
a senior naval officer entitled to fly a flag to mark the command
Example
The flag-officer reviewed the fleet before the ceremony.
C1 verb rɪˈpel

repel

Meaning
To push away or force apart due to similar charges or properties.
Example
Protons repel each other.
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
C1 noun /ɪnˈfɜːrnoʊ/

inferno

Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
C2 adjective /ɛɡˈzɪɡjuəs/

exiguous

Meaning
small in amount; scanty or inadequate
Example
They survived on exiguous rations during the journey.
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
C2 noun /ˈfæn.feər/

fanfare

Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
C2 noun /aɪˈoʊtə/

iota

Meaning
An extremely small amount.
Example
He did not show an iota of fear.
B2 noun /ˈfɛmənɪst/

feminist

Meaning
a person who supports equal rights and opportunities for women and men
Example
She proudly calls herself a feminist and fights for gender equality.
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
B2 noun /ˌɔːltəˈreɪʃən/

alteration

Meaning
a change or modification made to something
Example
The tailor made an alteration to the suit.
C2 noun /ˈɛpɪtɑːf/

epitaph

Meaning
A short text written on a tombstone in memory of the deceased.
Example
The gravestone bore an epitaph honoring the soldier’s bravery.
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.
B1 verb /ˈdɪfər/

differ

Meaning
to be unlike or distinct from something else
Example
Opinions differ on this issue.
C1 noun /moʊld/

Mould

Meaning
a hollow container used to give shape to molten material; fungus
Example
She poured chocolate into the mould to make candies.
A2 noun /soʊp/

Soap

Meaning
a cleaning agent made from fats or oils and used for washing
Example
Please wash your hands with soap and water.
C1 noun /ˈnjuːɑːns/

nuance

Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
C1 verb /ɪnˈvɪɡ.ər.eɪt/

invigorate

Meaning
To give strength or energy to someone or something.
Example
A morning walk can invigorate both body and mind.
B2 verb ɪnˈhɑːnst

enhanced

Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
A2 adjective /ˈkɒmɪk/

comic

Meaning
causing or meant to cause laughter
Example
The movie had several comic scenes.
A2 noun /ʃiːt/

sheet

Meaning
a large piece of cloth or paper, typically used to cover or protect something
Example
I need a clean sheet to cover the bed.
B1 noun /ˈækses/

Access

Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
B1 noun kəˈmɪt.mənts

commitments

Meaning
Formal pledges or promises to do something, especially in terms of obligations or agreements.
Example
Global commitments to renewable energy are increasing.
C2 verb /sɪˈkwɛstreɪt/

sequestrate

Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
B2 noun /ˈmɒdjuːl/

module

Meaning
a self-contained unit of a course or system, typically part of a larger whole
Example
The module on machine learning was difficult but informative.
C1 verb /ˈtrɛspəs/

trespass

Meaning
to enter someone's land or property without permission
Example
He was fined for trespassing on private land.
C1 noun /ˈbɪɡ.ət/

bigot

Meaning
A person who is intolerant toward those holding different opinions or beliefs.
Example
He was called a bigot for refusing to listen to others' views.
C1 noun/verb /ɪˈstiːm/

esteem

Meaning
Respect and admiration, typically for a person.
Example
She is held in high esteem by her colleagues.
C2 noun /ˌhæŋ.ər ˈɒn/

hanger-on

Meaning
a person who spends time with a powerful or famous person to gain benefits.
Example
The celebrity was always surrounded by hangers-on.
C2 noun /ɛmˈpɔːriəm/

emporium

Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
A2 noun /faɪl/

File

Meaning
a tool with a rough surface for smoothing or shaping hard materials; a collection of papers or data
Example
He used a metal file to smooth the rough edges.
C2 adjective /ˈrɛkriənt/

recreant

Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
A2 noun /reɪt/

rate

Meaning
the cost or price of something, or the amount at which something happens
Example
The rate of inflation is increasing every year.
C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

Meaning
to express strong disapproval or disagreement
Example
She expostulated with her friend about the risky decision.
C2 noun /ˈsʌfrədʒɪst/

suffragist

Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
C1 verb /flɪntʃ/

flinch

Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
A1 noun /ˈkʌl.ər/

color

Meaning
The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.
Example
Blue is her favorite color.
B1 noun, verb /ˈmɜːrdər/

murder

Meaning
the unlawful killing of a person; to kill someone unlawfully and intentionally
Example
The detective investigated the murder that shocked the town.
C1 adjective /priːˈɛmɪnənt/

preeminent

Meaning
Surpassing all others; very distinguished in some way.
Example
She is a preeminent scientist in the field of genetics.
B1 noun /ˈhaɪ.weɪ/

highway

Meaning
A main road, especially one connecting major towns or cities.
Example
The highway was blocked due to an accident.
C1 noun /ˈfʌŋɡəs/

fungus

Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
B2 noun /ˈprɛfəs/

preface

Meaning
an introduction to a book, speech, or other written work
Example
The author explained his motivation in the preface.
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C1 adjective /fəˈnɛtɪk/

phonetic

Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
C2 noun /ˈpɛdəˌɡɒɡ/

pedagogue

Meaning
a teacher, especially a strict or formal one
Example
The old pedagogue insisted on discipline in the classroom.
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
C2 noun /ˌlɪt.əˈrɑː.ti/

literati

Meaning
well-educated, literary, or scholarly people
Example
The event was attended by poets, critics, and other members of the literati.
C2 adjective /ˈklɛmənt/

clement

Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
C2 verb /drəˈɡuːn/

dragoon

Meaning
to force someone to do something through coercion or intimidation
Example
The manager tried to dragoon the team into working overtime.
C1 noun, verb /ˈɔːtɒpsi/

autopsy

Meaning
a post-mortem examination to discover the cause of death or the extent of disease
Example
The autopsy revealed that the victim had died from poisoning.
B2 adjective /mæɡˈnɛtɪk/

magnetic

Meaning
having the power to attract metal objects or to attract people or things in a strong way
Example
The magnetic field of the Earth protects us from harmful solar radiation.
A2 noun /ˈkɑr.pɪt/

Carpet

Meaning
a floor covering made from thick woven fabric
Example
The Persian carpet in the living room was a family heirloom.
C2 verb /bɪˈstraɪd/

bestride

Meaning
To sit or stand astride something; to dominate over.
Example
The statue bestrides the city square.
B1 noun /ˈdrɛsɪŋ/

dressing

Meaning
a sauce for salads; or material used to cover a wound
Example
She prepared a delicious salad with Italian dressing.
C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
B2 adjective /ˈstaɪ.lɪʃ/

Stylish

Meaning
fashionable and attractive; having elegance or taste in appearance
Example
She wore a stylish dress to the party.
C1 noun /ˈrɛpərˌtɔːri/

repertory

Meaning
A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.
Example
The theater has a repertory of classic plays.
C2 adjective /krəˈmætɪk/

chromatic

Meaning
Relating to colors or, in music, notes outside the standard scale.
Example
The artist used a chromatic palette to create vibrant contrasts.
B1 adjective, noun /ˈroʊmən/

roman

Meaning
relating to Rome or its people; a citizen of ancient Rome
Example
The Roman Empire influenced much of modern civilization.
B1 noun /ˈmʌðər ˈlæŋɡwɪdʒ/

mother language

Meaning
the first language a person learns from childhood; native language
Example
Children learn best when they are taught in their mother language.
C1 adjective /ˈɪnsələnt/

insolent

Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
C2 noun /ˈhɔːθɔːrn/

hawthorn

Meaning
A thorny shrub or small tree with white or pink flowers, often used for hedges.
Example
The garden was lined with blooming hawthorn bushes.
C2 noun/adjective /ˈlæpɪˌdɛri/

lapidary

Meaning
As noun: a person who cuts, polishes, or engraves precious stones; As adjective: relating to such work.
Example
The museum displayed lapidary tools used in ancient times.
C2 verb /ˈfæmɪʃ/

famish

Meaning
to suffer or cause to suffer from extreme hunger
Example
The stranded hikers began to famish after several days without food.
C1 noun ˈrez.ɪ.djuːz

residues

Meaning
A small amount of something that remains after the main part has gone or been taken or used.
Example
The burning process leaves no harmful residues.
B1 adjective /fɪkst/

fixed

Meaning
firmly in place; not changing or movable
Example
The schedule for the meeting is fixed for Monday morning.
C2 verb /breɪz/

braze

Meaning
To join two pieces of metal by heating and melting a filler metal into the joint.
Example
The mechanic brazed the broken pipe to fix the leak.
C2 adjective /ɪnˈvɛtərət/

inveterate

Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
C1 noun /blɒˈkeɪd/

Blockade

Meaning
an act or means of sealing off a place to prevent goods or people from entering or leaving
Example
The naval blockade prevented supplies from reaching the port.
A1 noun /kæt/

Cat

Meaning
a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws
Example
The cat sat on the windowsill watching birds.
B1 verb /træk/

track

Meaning
To follow or trace the course or progress of something.
Example
Someone can easily track your location on social media.
C2 noun /mɔːrˈtɪʃən/

mortician

Meaning
a person whose job is to prepare dead bodies for burial or cremation and to arrange funerals
Example
The mortician prepared the body for the funeral service.
C2 verb /ˈstʌltɪfaɪ/

stultify

Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
B2 adjective /ˈweɪ.kɪŋ/

Waking

Meaning
awake and conscious; relating to the time when one is awake
Example
She spent her waking hours studying for the exam.
C1 noun /ˈtriːzən/

Treason

Meaning
the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government
Example
He was accused of treason against the state.
C1 noun /pɔl/

Pall

Meaning
a cloth spread over a coffin; a dark covering that creates a gloomy atmosphere
Example
A pall of smoke hung over the burning building.
C1 noun /kɒzˈmɒlədʒi/

cosmology

Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
C1 noun /ˈstɪɡmə/

stigma

Meaning
a mark of shame or disgrace associated with a particular circumstance or quality
Example
There is still a stigma around mental health issues in many societies.
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
B2 noun /ˈbɒmər/

Bomber

Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
C1 noun /vəˈlɒs.ɪ.ti/

velocity

Meaning
Speed or acceleration, the rate of movement of any object or vehicle.
Example
High velocity trains reduce travel time significantly.
B1 noun /pərˈfɔːrmər/

performer

Meaning
a person who entertains an audience by acting, singing, dancing, or playing music
Example
The performer received a standing ovation for her song.
C2 verb /əˈkuːtə/

accoutre

Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
B2 noun /ˈɪnvənˌtɔːri/

inventory

Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
A2 noun /ɡoʊld/

Gold

Meaning
a precious yellow metallic element; jewelry or ornaments made of gold
Example
The gold bracelet sparkled in the sunlight.