sustainable technology
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C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
C1 noun /ˌluː.mɪˈnɒs.ɪ.ti/

luminosity

Meaning
The intrinsic brightness of a celestial object; the quality of emitting light.
Example
The luminosity of the star was measured with advanced instruments.
C1 noun /ˈpeɪθɒs/

pathos

Meaning
a quality in speech, writing, or events that evokes pity or deep emotion
Example
The documentary balanced pathos with hope, making the audience both weep and think.
C1 adjective /ɪˈspeʃəl/

especial

Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
C1 noun /ˌɪndɪˈdʒɛstʃən/

indigestion

Meaning
Discomfort or pain in the stomach associated with difficulty in digesting food.
Example
He avoided spicy food because it often gave him indigestion.
C1 noun /ˈfɔːrdʒəri/

forgery

Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
C1 adjective /dɪsˈsɪmɪlər/

dissimilar

Meaning
Not alike; different.
Example
Though they are twins, their personalities are dissimilar.
C1 noun /ˈmɜːrdʒər/

merger

Meaning
The combination of two or more companies into a single entity.
Example
The merger of the two firms created the largest bank in the region.
C1 verb /ɪnˈtaɪs/

entice

Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
C1 adjective /ədˈhiːsɪv/

Adhesive

Meaning
আঠালো; চটচটে;
Example
The adhesive tape stuck firmly to the wall.
C1 verb trænˈsɛnd

transcend

Meaning
To go beyond the limits of something; to surpass or exceed
Example
His effort to transcend traditional methods was commendable.
C1 noun /ˈseɪɑːns/

seance

Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
C1 adjective /ˈædʒ.aɪl/

agile

Meaning
able to move quickly and easily; quick and adaptable in thinking or action
Example
The startup team was agile in responding to market changes.
C1 adjective /dɪˈsiːtfəl/

deceitful

Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
C1 noun /wæks ɡɔːrd/

Wax Gourd

Meaning
a large white or green gourd with waxy skin, commonly used in Asian cooking
Example
The wax gourd soup is very nutritious and helps with digestion.
C1 verb /ɪmˈpɛər/

impair

Meaning
to weaken or damage something, especially a function or ability
Example
Smoking can impair your lung capacity.
C1 adjective /fɪkˈtɪʃəs/

fictitious

Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
C1 noun /ˈtʃɪz.əl/

Chisel

Meaning
a tool with a sharp flat edge used for cutting or shaping wood, stone, or metal
Example
The carpenter used a chisel to carve the wood.
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.
C1 adjective /kɪˈnɛtɪk/

kinetic

Meaning
Relating to or resulting from motion.
Example
Kinetic energy increases as the object moves faster.
C1 noun /ʃæk/

Shack

Meaning
a small, crudely built dwelling; a poorly constructed building
Example
The fisherman lived in a small shack near the beach.
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
C1 noun /mjuːˈteɪʃn/

mutation

Meaning
A change in form, structure, or nature, especially in genetics.
Example
Scientists discovered a genetic mutation that caused the disorder.
C1 verb /dɪsˈtrʌst/

distrust

Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
C1 adverb/adjective /vɜːˈbeɪ.tɪm/

verbatim

Meaning
In exactly the same words as were used originally; word for word repetition.
Example
She repeated his instructions verbatim to avoid errors.
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
C1 adjective /rɪˈkʌr.ənt/

Recurrent

Meaning
happening repeatedly; occurring again and again; periodic;
Example
She has been suffering from recurrent headaches for months.
C1 verb /ˈpɒstʃʊleɪt/

postulate

Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
C1 noun /mɪsˈɡɪv.ɪŋ/

Misgiving

Meaning
A feeling of doubt or apprehension about the outcome or consequences of something
Example
She had serious misgivings about accepting the job offer.
C1 verb /ɜːr/

err

Meaning
to make a mistake or be incorrect
Example
To err is human, to forgive divine.
C1 adjective /ˌsʌbˈkɒn.ʃəs/

subconscious

Meaning
Of or concerning the part of the mind which one is not fully aware of but which influences actions and feelings.
Example
Fears often come from the subconscious mind.
C1 noun /krʌˈsteɪʃən/

crustacean

Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
C1 noun /kənˈvʌl.ʃən/

convulsion

Meaning
a sudden, violent, involuntary contraction of muscles; a seizure
Example
The medicine helped prevent convulsions in children.
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
C1 noun /θiˈɒlədʒi/

theology

Meaning
The study of the nature of God and religious beliefs.
Example
She is pursuing a degree in theology at the university.
C1 noun /ˈpɑːr.keɪ/

parquet

Meaning
A floor made of wooden blocks arranged in a geometric pattern.
Example
The old mansion had a beautiful parquet floor.
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
C1 noun /ˈbɑn.dɪdʒ/

Bondage

Meaning
the state of being a slave; the state of being under the control of a force or influence
Example
The people fought to escape from the bondage of oppression.
C1 noun /ˈkʌˈs.tə.di/

Custody

Meaning
the protective care or guardianship of someone or something; imprisonment or detention
Example
After the divorce, they shared custody of their children equally.
C1 verb /ˈpleɪdʒəraɪz/

plagiarize

Meaning
to take someone else's work or ideas and present them as your own
Example
He was warned not to plagiarize his friend's essay.
C1 adjective /kwɪər/

Queer

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

Bile

Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
C1 adverb /ˌðɛərˈʌv/

Thereof

Meaning
of that; from that
Example
The contract and all amendments thereof must be signed.
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
C1 verb /dɪˈspɛns/

dispense

Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
C1 verb /ɪˈlɪsɪt/

elicit

Meaning
To draw out a response, answer, or reaction from someone.
Example
The teacher’s question elicited thoughtful answers from the students.
C1 noun /bɪˈriːvmənt/

bereavement

Meaning
The state of having lost a loved one through death.
Example
She received many letters of sympathy during her time of bereavement.
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 noun /ˈæntlɚ/

antler

Meaning
The branched horns on the head of a deer or similar animal, usually shed and regrown annually.
Example
The deer’s antlers grew larger each year.
C1 adjective /kənˈtɛmptʃuəs/

contemptuous

Meaning
showing or expressing contempt; scornful
Example
She gave him a contemptuous glance.
C1 noun /brɔːl/

brawl

Meaning
a noisy fight in a public place
Example
A brawl broke out outside the bar late at night.
C1 verb /prɒd/

prod

Meaning
to poke or push someone or something with a finger, foot, or pointed object
Example
She prodded him in the arm to get his attention.
C1 adjective /tɛkˈtɑː.nɪk/

tectonic

Meaning
Relating to the structure of the earth's crust and the large-scale processes that take place within it.
Example
Tectonic movements cause earthquakes and mountain formation.
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
C1 noun /ˌkɒk.əˈtuː/

Cockatoo

Meaning
a large parrot with a prominent crest that can be raised or lowered
Example
The white cockatoo raised its beautiful crest.
C1 adjective /prɪˈtɛnʃəs/

pretentious

Meaning
Attempting to impress by affecting greater importance, talent, culture, etc., than is actually possessed.
Example
The restaurant was stylish but far too pretentious for my taste.
C1 noun/verb /tɔːrˈpiːdoʊ/

torpedo

Meaning
A self-propelled underwater missile; to attack or destroy something suddenly and forcefully.
Example
The submarine launched a torpedo at the enemy ship.
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 /ˈkɒnfɪdænt/

confidant

Meaning
A person with whom one shares a secret or private matter, trusting them not to repeat it.
Example
She found a true confidant in her childhood friend.
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.
C1 verb koʊˈɜrs

coerce

Meaning
To force someone to do something against their will using threats or intimidation.
Example
The manager tried to coerce the employees into working overtime.
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
C1 adjective /ɡlaɪˈsiː.mɪk/

glycemic

Meaning
Relating to the presence of glucose in the blood and how foods affect blood sugar levels.
Example
High-glycemic foods cause a rapid increase in blood sugar.
C1 noun /rɪˈfaɪnəri/

refinery

Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
C1 noun /əˈdʒeɪsənsi/

adjacency

Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
C1 adjective daɪˈvɜː.dʒənt

divergent

Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
C1 verb /ˌkaʊntərˈækt/

counteract

Meaning
to act against something in order to reduce its effect
Example
The medicine helps counteract the side effects of the treatment.
C1 adjective ɔːɡˈmen.tɪd

augmented

Meaning
having been made greater in size or value.
Example
The new software provided augmented reality features.
C1 adjective ɪˈneɪt

Innate

Meaning
Existing from birth or natural
Example
She has an innate talent for music.
C1 noun/adjective /ˈstɜː.lɪŋ/

sterling

Meaning
British money, especially pounds; of excellent quality.
Example
She was praised for her sterling work on the project.
C1 adjective /kəˈmɛmərətɪv/

commemorative

Meaning
Serving as a reminder or in honor of a person or event.
Example
They issued a commemorative coin for the independence anniversary.
C1 noun /raɪt/

rite

Meaning
a religious or ceremonial act
Example
The wedding rite was performed with great solemnity.
C1 adjective /ɪˈmækjələt/

immaculate

Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
C1 adjective /pəˈmɪs.ɪv/

permissive

Meaning
Allowing or characterized by great or excessive freedom of behavior; very lenient or indulgent.
Example
Permissive parenting can sometimes lead to a lack of discipline in children.
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
C1 noun /doʊ/

doe

Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
C1 adjective/adverb /ˌɒfˈhænd/

offhand

Meaning
Without previous thought or preparation; casual and sometimes dismissive.
Example
She gave an offhand reply to his serious question.
C1 adjective /ˈpælpəbl̩/

palpable

Meaning
easily perceived or felt; so intense as to seem almost tangible
Example
There was a palpable sense of excitement in the room.
C1 adjective /ˌɪnəˈtɛntɪv/

inattentive

Meaning
not paying attention; lacking focus or concentration
Example
The inattentive student missed several important instructions.
C1 noun /ˈpær.ə.di/

Parody

Meaning
an imitation of a particular style for comic effect; a humorous exaggerated copy
Example
The comedy show featured a parody of famous politicians.
C1 adjective /əˈfɜːrmətɪv/

affirmative

Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
C1 adverb /əˈfrɛʃ/

afresh

Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
C1 verb, noun /lɜːrtʃ/

lurch

Meaning
to make an abrupt, unsteady, or uncontrolled movement; a sudden movement or stagger
Example
The bus lurched forward as the driver hit the brakes.
C1 adjective /ɪˈmuː.və.bəl/

immovable

Meaning
Not able to be moved; fixed in position.
Example
Immovable barriers prevent change.
C1 adjective /ˌʌnəˈdɔːrnd/

unadorned

Meaning
Plain and simple; not decorated.
Example
The room was unadorned, with only a table and a chair.
C1 noun məˌtɪərɪəˈlɪstɪk ˈlaɪfstaɪl

materialistic lifestyle

Meaning
A way of living focused on acquiring material possessions and wealth.
Example
A materialistic lifestyle often leads to moral decline.
C1 noun /ˈwɔːtəʃɛd/

watershed

Meaning
An event or period marking a turning point in a situation; also refers to a ridge dividing two drainage areas.
Example
The independence movement was a watershed in the nation's history.
C1 adjective /ˈdʒiː.ni.əl/

genial

Meaning
friendly, cheerful, and pleasant
Example
She greeted us with a genial smile.
C1 adjective kənˈten.ʃəs

contentious

Meaning
Causing or likely to cause an argument; controversial.
Example
The contentious issue divided global leaders.
C1 noun /ˈɡæloʊz/

gallows

Meaning
A structure used for hanging criminals who have been sentenced to death.
Example
The criminal was led to the gallows at dawn.
C1 noun /ɪnˈdem.nə.ti/

Indemnity

Meaning
security or protection against a loss or other financial burden; compensation for damage or loss
Example
The insurance company provided full indemnity for the damages caused by the flood.
C1 noun/verb /ˈætrəfi/

atrophy

Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C1 adjective /ˌmɛtəˈfɔːrɪkəl/

metaphorical

Meaning
Characteristic of or relating to metaphor; figurative rather than literal.
Example
He used metaphorical language to describe his emotions.
C1 verb /ˈkɒr.ə.leɪt/

correlate

Meaning
To have a mutual relationship or connection; to establish a relationship between two or more things.
Example
Researchers found that diet and mental health correlate strongly.
C1 adjective /ˈstɒdʒi/

stodgy

Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
C1 adjective /daɪər/

Dire

Meaning
extremely serious; urgent; terrible
Example
The country is facing a dire economic crisis.
C1 verb /trænˈskraɪb/

transcribe

Meaning
to make a written copy of spoken words or notes
Example
The secretary transcribed the meeting minutes.
C1 adjective /moʊv/

mauve

Meaning
a pale purple color with a grayish or bluish tinge
Example
She wore a beautiful mauve dress to the party.
C1 adjective ˌɪn.təˈmɪt.ənt

intermittent

Meaning
Happening irregularly, not continuously.
Example
The rain was intermittent throughout the day.
C1 verb /əˈkleɪm/

acclaim

Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
C1 adjective /ˈærɪd/

arid

Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
C1 noun /ˈblɒk.ɪdʒ/

Blockage

Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
C1 adjective /əbˈtjuːs/

Obtuse

Meaning
annoyingly insensitive or slow to understand; lacking in intelligence or perception
Example
He was being deliberately obtuse about the instructions.
C1 noun /riˈæktənt/

reactant

Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
C1 adjective /sɔɪld/

soiled

Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
C1 noun /skraɪb/

scribe

Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
C1 noun /ˈkɒt.ən ˈfæb.rɪk/

Cotton Fabric

Meaning
textile made from cotton fibers, known for being soft, breathable, and comfortable
Example
Cotton fabric is perfect for summer clothing.
C1 noun /ˈkɒndjuɪt/ or /ˈkɑːnduɪt/

conduit

Meaning
a channel or pipe for conveying water, electricity, or information
Example
The cable was placed inside a protective conduit.
C1 noun /ˈɪd.i.əm/

idiom

Meaning
A group of words whose meaning is different from the meanings of the individual words.
Example
The idiom 'break the ice' means to start a conversation in a friendly way.
C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
C1 noun /ˈɡaɪ.zər/

geyser

Meaning
A natural hot spring that intermittently ejects a column of water and steam into the air.
Example
The geyser erupted, shooting water high into the sky.
C1 adverb /ˈheɪs.tɪ.li/

Hastily

Meaning
in a hurried or rushed manner; quickly and carelessly
Example
She hastily packed her bags before leaving for the airport.
C1 noun /pəˈtɜːrnəti/

paternity

Meaning
The state of being someone's father.
Example
He demanded a paternity test to confirm his relationship with the child.