terrain
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B2 noun /təˈreɪn/

terrain

Meaning
a stretch of land, especially with regard to its physical features
Example
The soldiers had to cross rough terrain during the mission.
C1 adjective /moʊˈmentəs/

Momentous

Meaning
of great importance or significance; having far-reaching consequences
Example
The signing of the peace treaty was a momentous occasion for both countries.
C1 noun /ˌhaɪ.roʊˈɡlɪf.ɪks/

hieroglyphics

Meaning
a system of writing using pictures or symbols, used especially by ancient Egyptians
Example
The tomb walls were covered with Egyptian hieroglyphics.
C2 noun /ˈsɜːfdəm/

serfdom

Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
A2 noun /ˈkɒlɪdʒ/

college

Meaning
An educational institution where students study for degrees or professional qualifications.
Example
She hopes to attend college in the city next year.
A2 noun /ˈpoʊɪt/

poet

Meaning
a person who writes poems
Example
The poet wrote about love and nature.
B2 noun ˈlaɪf ɪkˌspek.tən.si

life expectancy

Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
C1 adjective ˌmiː.ti.ər.əˈlɒdʒ.ɪ.kəl

meteorological

Meaning
Relating to weather conditions and atmospheric phenomena.
Example
Meteorological conditions affect farming cycles.
B1 noun /ˈɔːtəmoʊbiːl/

automobile

Meaning
a road vehicle powered by an engine, typically with four wheels
Example
He bought a new automobile last week.
B2 verb /ˈæmplɪˌfaɪ/

amplify

Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
A1 verb /lɜːrn/

learn

Meaning
to acquire knowledge or skills; to gain understanding
Example
Children learn quickly when they are interested.
B2 noun/verb jiːldz

yields

Meaning
The amount of agricultural produce harvested per unit of land area.
Example
Crop yields have declined due to extreme weather.
C1 noun /ˈprɛsɪpɪs/

precipice

Meaning
A very steep cliff or a situation of great danger.
Example
The hikers stood at the edge of the precipice, gazing into the valley below.
B2 adjective /ʌnˈiːkwəl/

Unequal

Meaning
not the same in quantity, size, or value; not fair or just
Example
The distribution of wealth is unequal in many countries.
A1 noun/verb /eɪdʒ/

age

Meaning
The length of time that a person has lived; to grow older.
Example
She asked his age politely.
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
C1 noun /ˈpʌntʃ laɪn/

punch line

Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
A1 adjective /ʃɔːrt/

Short

Meaning
having a small length, height, or duration; not long
Example
The meeting was very short, lasting only ten minutes.
B1 adjective /ɡrænd/

Grand

Meaning
impressive; magnificent; excellent;
Example
The grand palace impressed all the visitors.
C2 noun /ˈfɪɡmənt/

figment

Meaning
something invented or imaginary; a fabrication of the mind
Example
The story of the haunted house is just a figment of her imagination.
C2 adjective /ˌmɪsənˈθrɑːpɪk/

misanthropic

Meaning
having or showing a dislike of humankind
Example
His misanthropic attitude made it difficult for him to make friends.
C1 verb /skɔːrtʃ/

scorch

Meaning
to burn the surface of something slightly
Example
The fire scorched the walls of the building.
B2 noun /klɔː/

Claw

Meaning
sharp curved nail on the foot of an animal or bird
Example
The cat extended its sharp claws to climb the tree.
B2 adjective /ˌɪnkənˈviːniənt/

Inconvenient

Meaning
causing trouble, difficulties, or discomfort; awkward; troublesome
Example
The broken elevator made it inconvenient to reach the top floor.
C1 noun /ˌtrɛpɪˈdeɪʃən/

trepidation

Meaning
a feeling of fear or anxiety about something that may happen
Example
She opened the letter with some trepidation.
C1 noun /kəmˈplɪsəti/

complicity

Meaning
the state of being involved with others in an illegal activity or wrongdoing
Example
The court revealed his complicity in the fraud scheme.
B2 noun pərˈsweɪ.ʒən

persuasion

Meaning
The act of convincing someone to change their viewpoint through reasoning or emotion.
Example
Effective persuasion is key to a successful speech.
A2 verb /fɪl/

fill

Meaning
to make or become full; to put something into a container until it is full
Example
Please fill the glass with water.
C2 adjective /ˈsiːmi/

seamy

Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
B2 noun /ˈsɛnsər/

sensor

Meaning
a device that detects or measures a physical property and records, indicates, or responds to it
Example
The motion sensor turned on the light automatically.
B2 noun /ˈfreɪ.ɡrəns/

Fragrance

Meaning
a pleasant, sweet smell; a perfume or cologne
Example
The fragrance of jasmine flowers filled the entire garden in the evening.
C1 verb /məˈlɛst/

molest

Meaning
to assault or abuse someone, especially in a sexual or physical way
Example
The criminal was arrested for attempting to molest a child.
C2 verb /dɪsˈbɜːrs/

disburse

Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
C2 adjective /ˈɒf.biːt/

offbeat

Meaning
Unusual, unconventional, or different from the norm.
Example
She has a very offbeat sense of humor.
B2 verb /dreɪn/

drain

Meaning
to cause liquid to flow away from something; to remove liquid
Example
He drained the pasta before adding the sauce.
A2 noun /ˈdæm.ɪdʒ/

Damage

Meaning
physical harm caused to something; injury or harm that reduces value or usefulness
Example
The storm caused significant damage to the coastal buildings.
C2 verb /kəˈmɪz.ə.reɪt/

commiserate

Meaning
To express sympathy or compassion for someone's misfortune.
Example
She called her friend to commiserate after his loss.
C1 noun /ˈpɛsəl/

pestle

Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
B2 noun /ˌmɛθəˈdɑlədʒi/

methodology

Meaning
A system of methods used in a particular area of study or activity.
Example
The research was conducted using a new methodology.
C2 noun /ɪˈpɪsəl/

epistle

Meaning
A letter, especially a formal or didactic one; often used for letters in the New Testament.
Example
He wrote a long epistle to his friend about his travels.
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.
C2 noun /ˈtɒksɪn/

tocsin

Meaning
an alarm bell or signal; a warning that something bad is about to happen
Example
The data breach sounded a tocsin for stricter security.
A1 adverb /əˈraʊnd/

Around

Meaning
in a circle; on all sides; in the vicinity; approximately
Example
Look around and you will see many beautiful flowers.
B1 verb /ɪɡˈzɪst/

exist

Meaning
to have being or reality; to be present
Example
Dinosaurs existed millions of years ago.
A2 noun /ɪˈlek.trɪk fæn/

Electric fan

Meaning
a device with rotating blades that creates airflow to cool or ventilate a room
Example
The electric fan keeps the room cool during hot summer days.
B2 noun ˈvaɪtəl rɪˈsɔːrsɪz

vital resources

Meaning
Essential assets or supplies that are crucial for survival and development.
Example
Water is one of Bangladesh's vital resources.
A1 interjection /haɪ/

hi

Meaning
a friendly greeting used when meeting someone
Example
Hi, it's nice to meet you!
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
B2 adjective /ˈɪɡ.nər.ənt/

Ignorant

Meaning
lacking knowledge or awareness; uninformed
Example
She was ignorant about the new technology trends.
A2 adjective /ˈnæʃənəl/

national

Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
C1 adjective /ˈrep.jə.tə.bəl/

Reputable

Meaning
having a good reputation; respected and trusted
Example
She works for a reputable law firm in the city.
A2 noun /ˈnɛtˌwɜrk/

network

Meaning
A system of interconnected people, things, or computers.
Example
She built a strong professional network.
C2 noun /ɡænˈdʒɛtɪk liːf fɪʃ/

Gangetic Leaf Fish

Meaning
a small freshwater fish species found in the Ganges river system, known for its leaf-like appearance
Example
The Gangetic Leaf Fish is commonly found in the rivers of Bangladesh.
C2 noun /ˈtrɛsəl/

trestle

Meaning
a frame or support consisting of a horizontal beam held up by two pairs of sloping legs, used especially for supporting a bridge or table
Example
The workers built a wooden trestle to support the temporary bridge.
B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

Meaning
the act of becoming fully aware of something as a fact
Example
Her realization of the problem helped solve the issue.
B2 verb /sweɪ/

sway

Meaning
To move or cause to move slowly or rhythmically back and forth; to influence someone's opinion or decision.
Example
The trees swayed gently in the breeze.
B2 noun /ˈwɑː.ʃər mæn/

Washer man

Meaning
a person whose job is to wash clothes and linens for others
Example
The washer man collected dirty clothes from every household in the village.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
C2 adjective /ˈwɪnsəm/

winsome

Meaning
pleasant and attractive in a fresh, innocent, or charming way
Example
Her winsome smile instantly put the nervous guests at ease.
B2 verb /stɪŋ/

sting

Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
C1 adjective /fəˈnætɪkəl/

fanatical

Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
C2 noun /ˈdaɪɡræf/

digraph

Meaning
A pair of letters representing a single sound, such as 'sh' in 'ship'.
Example
In the word 'phone', the letters 'ph' form a digraph.
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
C2 noun /kəˈmɛstɪbəl/

comestible

Meaning
An item of food that can be eaten.
Example
The picnic basket was full of delicious comestibles.
C1 noun ˈprəʊses stəˈbɪlɪti

process stability

Meaning
The consistency and steadiness of biological or functional processes
Example
Cold air ensures process stability in plants.
C1 adjective /ˈpəʊtəbl/

potable

Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
C1 noun pɔɪz

poise

Meaning
Natural confidence and composure maintained under pressure.
Example
A good speaker maintains poise under pressure.
C2 verb /ˈdɔːd(ə)l/

dawdle

Meaning
to waste time by being slow or idle
Example
Stop dawdling and finish your homework.
C1 noun /mɑːrˈsuːpiəl/

marsupial

Meaning
A type of mammal that carries and nourishes its young in a pouch, like kangaroos and koalas.
Example
The kangaroo is a well-known marsupial.
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
C2 adjective /ʌnˈflæpəbəl/

unflappable

Meaning
calm and composed, especially in difficult situations
Example
Despite the crisis, he remained unflappable and confident.
A1 noun /wel/

Well

Meaning
a deep hole in the ground from which water is obtained
Example
The villagers get water from the old well in the center of town.
A1 determiner /sʌm/

some

Meaning
an unspecified amount or number of something
Example
I have some money in my wallet.
B1 adjective /rɪˈmoʊt/

remote

Meaning
Situated far from the main centers of population; distant.
Example
They stayed in a remote village during their trip.
A1 pronoun /wɪtʃ/

which

Meaning
used to ask about one or more items from a defined set
Example
Which one do you prefer, the red or the blue?
C1 adjective /ɪnˈsɛp(ə)rəbəl/

inseparable

Meaning
Unable to be separated or always together.
Example
The two friends have been inseparable since childhood.
C1 noun ˈklaɪmət ˌrɛɡjʊˈleɪʃən

climate regulation

Meaning
The moderation of climate conditions through natural or artificial processes.
Example
Forests help in climate regulation by stabilizing local temperatures.
C1 verb /ˌʌndərˈsteɪt/

understate

Meaning
To describe something as being less important or serious than it really is.
Example
He tends to understate his achievements.
C1 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
B2 verb /ˈsɪmbəlaɪz/

symbolize

Meaning
to represent or stand for something else
Example
The dove symbolizes peace across cultures.
C2 noun /neɪv/

nave

Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
B1 noun ˈstrʌɡ.əl

struggle

Meaning
A forceful or violent effort to get free of restraint or resist attack; a determined effort under difficult circumstances.
Example
The struggle for independence united the nation.
C1 noun /sɪlk klɔːθ/

Silk cloth

Meaning
fabric made from natural fibers produced by silkworms
Example
The bride wore a beautiful dress made of silk cloth.
C2 noun /ˈpɒm.əl/

pommel

Meaning
the rounded knob on the handle of a sword or saddle
Example
He gripped the sword firmly by the pommel.
C1 verb /ˈeɪ.li.ə.neɪt/

alienate

Meaning
To make someone feel isolated or estranged; to cause someone to become unfriendly.
Example
His rude behavior alienated many of his friends.
C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

Meaning
The movement of salt water into freshwater areas, typically affecting coastal regions.
Example
Salinity intrusion affects coastal regions.
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
B2 noun /ˈloʊ.təs/

Lotus

Meaning
a large water flower that floats on the surface of ponds and lakes
Example
The lotus flower blooms beautifully in the quiet pond.
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

Meaning
a sign or piece of information that indicates something; a suggestion or hint
Example
The dark clouds were a clear indication that a storm was approaching the area.
C1 noun /ˈɛskəpeɪd/

escapade

Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
B2 noun /ˈkænvəs/

canvas

Meaning
A strong, coarse cloth used for tents, sails, or painting.
Example
The artist prepared a canvas for his new painting.
C2 adjective /pəˈrɒnɪməs/

paronymous

Meaning
Words that are derived from the same root or sound alike.
Example
The words 'effect' and 'effective' are paronymous.
B2 noun /ˈsɛktər/

sector

Meaning
a distinct part or area of an economy, society, or industry
Example
The technology sector is growing rapidly.
B1 noun /tʃiːk/

Cheek

Meaning
either side of the face below the eye; impudent or disrespectful behavior
Example
The baby's rosy cheeks showed she was healthy and happy.
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
B2 verb ɪnˈvɛst.ɪŋ

investing

Meaning
The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.
Example
Investing in stocks can generate long-term wealth.
B1 adjective /ˈɡɔːr.dʒəs/

Gorgeous

Meaning
extremely beautiful; attractive; visually stunning
Example
The bride looked absolutely gorgeous.
B1 verb /dɪˈliːt/

delete

Meaning
to remove or erase something, especially written or recorded information
Example
He accidentally deleted all the files from his computer.
C1 noun /pərˈvɜr.sə.ti/

Perversity

Meaning
deliberate determination to behave in an unreasonable or unacceptable way; the quality of being contrary or obstinate
Example
His perversity in refusing help frustrated everyone.
C1 noun /ˌpɒməˈdɔːrəʊ/

pomodoro

Meaning
A time management technique that uses a timer to break down work into intervals.
Example
The Pomodoro technique improves productivity.
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

Meaning
Having more than one possible meaning; unclear or vague.
Example
His statement was too ambiguous to understand.
C1 adjective /ɪnˈtɜːrmənəbl/

interminable

Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
C2 verb /rɪˈmɒnstreɪt/

remonstrate

Meaning
To make a forceful protest or objection.
Example
Citizens remonstrated against the new tax policy.
A2 adjective /ˈhɔːrəbəl/

Horrible

Meaning
causing or likely to cause horror; shocking; terrible; extremely unpleasant
Example
The accident was a horrible sight to witness.
B2 verb /dɪˈnaʊns/

denounce

Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
C2 adjective /juːˈdʒɛnɪk/

eugenic

Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
A1 noun, verb /pleɪs/

place

Meaning
a particular position or location; to put something in a specific position
Example
She placed the books on the table.
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
B2 noun /ˈraɪvəl/

Rival

Meaning
a person or thing competing with another for the same objective or for superiority in the same field
Example
The two companies have been business rivals for decades.
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 adjective ɪˈvɒlvɪŋ

evolving

Meaning
Developing gradually, especially from a simple to a more complex form; changing and developing.
Example
Education plays a role in evolving societal norms.
B1 noun /ˈbeɪ.kɪŋ ˈsoʊ.də/

Baking Soda

Meaning
sodium bicarbonate used in cooking and baking as a leavening agent
Example
Add a teaspoon of baking soda to make the cake fluffy.
A2 noun /saɪz/

size

Meaning
the physical dimensions, proportions, or magnitude of something
Example
This shirt is too small in size for me.
C2 verb /kəˈdʒoʊl/

cajole

Meaning
To persuade someone to do something by flattery or gentle urging.
Example
She managed to cajole her friend into joining the trip.