interpolation
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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.
B1 noun /ˌrɛzəˈluːʃən/

resolution

Meaning
The action of solving a problem, dispute, or contentious matter.
Example
The resolution of the issue requires careful planning and action.
B2 adverb /ˈæk.jə.rət.li/

Accurately

Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
C1 noun/verb /ˈoʊvərˌhæŋ/

overhang

Meaning
To extend outward and hang over something; a projecting part.
Example
The roof overhang provides shade in the summer.
B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

Meaning
To make something stronger, more extreme, or more forceful.
Example
The storm is expected to intensify overnight.
B2 verb /ˈɔːdɪt/

audit

Meaning
to examine and verify financial records or accounts officially
Example
The accountant will audit the company's books next month.
C2 adjective /vəˈreɪʃəs/

veracious

Meaning
Truthful, honest; habitually speaking the truth.
Example
She gave a veracious account of what happened that day.
C1 adjective /ɪnˈtræk.tə.bəl/

intractable

Meaning
Difficult or impossible to manage, control, or solve.
Example
The conflict has become an intractable problem.
C2 noun /əˈdʌltərənt/

adulterant

Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
C1 noun /rɪˈtriː.vəl/

retrieval

Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
C1 noun, adjective /ˈkɪndrəd/

kindred

Meaning
A person's relatives or family; similar in nature or character.
Example
They discovered kindred spirits in each other.
C2 noun /hoʊ/

Hoe

Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
B2 noun /biːd/

Bead

Meaning
a small round object with a hole through it for threading
Example
She made a necklace with colorful beads.
B1 adverb /əˈkeɪʒənəli/

Occasionally

Meaning
sometimes; from time to time; not regularly
Example
I occasionally visit my grandmother on weekends.
A1 verb /ˈlɪsən/

listen

Meaning
to pay attention to sounds; to hear someone or something with thoughtful attention
Example
Please listen carefully to the instructions.
B2 noun ˈnætʃərəl ˈhæbɪtæt

Natural Habitat

Meaning
The natural environment where organisms live and fulfill their life needs.
Example
Protecting the natural habitat is crucial for butterflies.
C1 noun /ˈpædʒənt/

pageant

Meaning
A public entertainment consisting of a procession of people in elaborate costumes, or a beauty contest.
Example
She won first place in the beauty pageant.
B2 noun/verb /kjuː/

cue

Meaning
A signal or prompt for action; to give a signal.
Example
The actor waited for his cue before entering the stage.
B2 adjective ˌkɑː.bən ˈnjuː.trəl

carbon-neutral

Meaning
Having a balance between emitting carbon and absorbing carbon from the atmosphere; not adding to overall carbon emissions.
Example
The company aims to be carbon-neutral by 2030.
A1 preposition/adverb/adjective/noun /ˌɪnˈsaɪd/

inside

Meaning
Situated within something; the inner part of something.
Example
She waited inside the house until the rain stopped.
B1 adverb /ˈɡreɪtli/

greatly

Meaning
to a large extent or degree; very much
Example
She was greatly admired by her students.
C2 verb /ˌkaʊˈtaʊ/

kowtow

Meaning
To act in an excessively subservient or obedient manner.
Example
He refused to kowtow to the unreasonable demands.
C2 noun /miːn/

mien

Meaning
A person's appearance or manner, especially as an indication of their character or mood.
Example
His serious mien made everyone fall silent.
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.
C2 adjective /pɒnˈtɪfɪkəl/

pontifical

Meaning
relating to a pope or bishop; pompous or self-important
Example
His pontifical manner annoyed the other members of the committee.
A1 verb /kʊk/

cook

Meaning
to prepare food by heating; to make food ready to eat
Example
My mother loves to cook traditional dishes.
C1 adverb /ˈvælɪdli/

validly

Meaning
in a legally, logically, or officially acceptable manner
Example
The contract was validly signed by both parties.
B2 adjective /ˌmʌltɪˈlɪŋɡwəl/

multilingual

Meaning
Able to speak or written in several languages.
Example
She grew up in a multilingual household.
C1 adjective /ˌhaɪdroʊɪˈlɛktrɪk/

hydroelectric

Meaning
Relating to or denoting the generation of electricity using flowing water.
Example
The country invested heavily in hydroelectric power plants.
C1 adjective /ˈdʒen.ɪ.təl/

genital

Meaning
relating to the reproductive organs
Example
The doctor explained the importance of genital hygiene.
C1 adjective /məˈləʊ.di.əs/

Melodious

Meaning
having a pleasant musical sound; tuneful
Example
Her melodious voice captivated the entire audience.
B1 noun /ˈɔː.θər/

Author

Meaning
a person who writes books, articles, or other written work
Example
The author spent three years writing her bestselling novel.
C1 noun ˌmɛtə ˈmɔːfəsɪs

metamorphosis

Meaning
A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Example
The company's metamorphosis from a small startup to a global leader was remarkable.
C1 noun /ˌdɪs.əˈreɪ/

disarray

Meaning
A state of disorganization or untidiness; confusion or disorder.
Example
His desk was in complete disarray.
A2 adjective /ˈɑːnɪst/

honest

Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
C1 adjective /ˈpɛtjʊlənt/

petulant

Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
A2 noun /ˈbæskɪtbɔːl/

basketball

Meaning
a game played by two teams who try to score points by throwing a ball through a hoop
Example
He loves playing basketball with his friends.
A1 verb /neɪm/

name

Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
B1 verb /ˈveri/

vary

Meaning
to change or differ; to make different
Example
The weather conditions vary throughout the day.
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
B2 noun /ˈsnoʊ.fɔːl/

Snowfall

Meaning
the process of snow falling from the sky; the amount of snow that falls
Example
The heavy snowfall blocked all the roads yesterday.
A1 verb /miːt/

meet

Meaning
to come into the presence of; to encounter
Example
I will meet you at the café.
C2 noun /ɡaɪl/

guile

Meaning
Cleverness or cunning used to achieve a goal, often in a deceptive way
Example
He used guile to win the negotiation.
B2 verb əˈlaɪn.ɪŋ

aligning

Meaning
Placing or arranging things in a straight line or in correct relative positions.
Example
Aligning education with global standards is vital.
C1 verb /ɪnˈtʃænt/

enchant

Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
A2 noun /ˈsen.tər/

center

Meaning
A place or building designated for a particular activity or service.
Example
The first robotic surgery center was established in Rangpur.
B2 noun ˈpeɪtriəˌtɪzəm

patriotism

Meaning
The quality of being patriotic; devotion to and vigorous support for one's country.
Example
Victory Day reflects the patriotism of the entire nation.
C2 noun /ˈhʌk.stər/

huckster

Meaning
A person who sells small items aggressively, often in a showy or dishonest way.
Example
The huckster loudly promoted his goods in the busy marketplace.
C1 noun /ˈprəʊsiːdz/

proceeds

Meaning
money obtained from an event, activity, or sale
Example
The proceeds from the charity event were donated to the orphanage.
B2 noun /ˈskɔːr.pi.ən/

Scorpion

Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
B2 verb /kəˈmɛnd/

commend

Meaning
to praise formally or officially
Example
The teacher commended the students for their hard work.
B2 adjective /prəˈtɛktɪv/

protective

Meaning
giving or capable of giving protection; shielding from harm or danger
Example
She wore a protective helmet while riding her bike.
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
C1 adjective /ˈsæv.i/

savvy

Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
B2 noun /ˈmɔɪs.tʃər/

Moisture

Meaning
water or dampness that exists in small amounts in the air or on a surface
Example
The skin cream helps retain moisture.
B1 noun /ˈɡaɪ.dəns/

Guidance

Meaning
advice or information aimed at resolving a problem or difficulty; leadership or direction
Example
The teacher provided valuable guidance to help students choose their career paths.
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.
B1 adjective /ˈvaɪə.lət/

Violet

Meaning
of a bluish-purple color
Example
She wore a beautiful violet dress to the party.
C2 noun /ˈbeɪlɔːr/

bailor

Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
C2 noun /ˈtjuːtərʃɪp/

tutorship

Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
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.
A2 noun steɪt

state

Meaning
A nation or territory considered as an organized political community under one government.
Example
The state declared a new language policy.
B2 noun /ˈkæriər/

carrier

Meaning
A person or thing that carries, transports, or conveys something; also an organization that provides transport services.
Example
The airline is the largest carrier in the country.
C1 noun /ˈlɪməˌziːn/

limousine

Meaning
a large, luxurious car driven by a chauffeur.
Example
The bride arrived in a white limousine.
B1 verb /kwoʊt/

quote

Meaning
to repeat someone else's words; to give a price or estimate
Example
The teacher asked students to quote the famous author in their essays.
B2 verb /ˈklærɪfaɪ/

clarify

Meaning
to make clear; to explain more clearly
Example
The teacher clarifies the difficult concept.
C1 verb /kriːk/

creak

Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
B2 noun /ˈdræɡ.ən.flaɪ/

Dragon-fly

Meaning
a large insect with four transparent wings that lives near water
Example
The dragonfly hovered over the pond.
A1 noun /ˈʌŋkəl/

uncle

Meaning
the brother of one's father or mother
Example
My uncle is visiting us next week.
C1 noun kəˈlæt.ər.əl

collateral

Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
C1 noun /ˈfɔːls.hʊd/

Falsehood

Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
B2 noun ˌfʌŋk.ʃəˈnæl.ə.ti

functionality

Meaning
The quality of being functional; the ability to work or operate as intended.
Example
The new refrigerator has improved functionality.
C1 noun /prɪˈrɒɡətɪv/

prerogative

Meaning
a special right or privilege exclusive to a particular person or group
Example
It is the manager’s prerogative to make the final decision.
B2 adjective /kənˈvɪnsɪŋ/

Convincing

Meaning
believable; credible; persuasive; able to make someone believe something
Example
His convincing argument won over the entire jury.
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.
C2 noun /ˌdɪfəˈrɛnʃə/

differentia

Meaning
A distinguishing characteristic that sets one thing apart from another.
Example
The differentia of humans is their ability to reason abstractly.
A1 noun /siː/

Sea

Meaning
a large body of salt water that covers most of the earth's surface
Example
We went swimming in the sea.
B2 noun, verb /ˈpɛdəl/

pedal

Meaning
A foot-operated lever for powering or controlling a mechanism, especially on a bicycle.
Example
He pressed down hard on the bicycle pedal.
C2 noun /ˈfɒpəri/

foppery

Meaning
Foolish or excessive concern with one's appearance or manners; pretentious behavior.
Example
His obsession with fashion was dismissed as mere foppery.
C1 noun /kənˈteɪdʒən/

contagion

Meaning
The communication of disease from one person to another by close contact; also the spread of harmful ideas or behaviors.
Example
Fear spread like a contagion through the crowd.
B1 noun /rɪˈpleɪsmənt/

replacement

Meaning
the act of substituting one thing or person for another
Example
She got a replacement for her damaged phone.
C1 adjective, noun /ɪnˈdɪkətɪv/

indicative

Meaning
Serving as a sign or expression of something; in grammar, a mood used to make factual statements.
Example
His tone was indicative of his frustration.
A2 noun /piˈænoʊ/

Piano

Meaning
a large keyboard musical instrument with black and white keys that produces sound by striking strings with hammers
Example
The little girl practiced piano for one hour every day.
A1 adverb /əˈɡoʊ/

ago

Meaning
Used to indicate how long before the present something happened.
Example
I met her two years ago.
C1 noun /ɪnˈsɒm.ni.ə/

Insomnia

Meaning
habitual sleeplessness; inability to sleep; the condition of being unable to sleep
Example
Her chronic insomnia made it difficult for her to concentrate during work hours.
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.
C2 noun ˈvaɪ.və ˈvəʊs

viva voce

Meaning
An oral examination, typically for an academic qualification.
Example
Viva Voce tests communication skills.
C1 noun /ˈrɛl.ɪk/

relic

Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
B1 noun, adjective, verb /tɛns/

tense

Meaning
a grammatical category showing time reference; stretched tight or anxious
Example
She felt tense before the interview.
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
C2 adjective /fəˈloʊniəs/

felonious

Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
C1 verb /ˌmɪsˈpleɪs/

misplace

Meaning
To put something in the wrong location and temporarily lose it.
Example
I often misplace my keys when I am in a hurry.
C2 adjective /fækˈtɪʃəs/

factitious

Meaning
artificial or fabricated; not natural or genuine
Example
The excitement in his story seemed factitious and forced.
C1 noun ɪnˈsɛpʃən

inception

Meaning
The establishment or starting point of an institution or activity.
Example
The inception of the company marked a new era in the industry.
C2 adjective /ˈpaɪbɔːld/

piebald

Meaning
having irregular patches of two colors, especially black and white
Example
The farmer owns a piebald horse with black and white spots.
C1 verb ˈɛk.spɪ.daɪt

expedite

Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
C2 verb /ˈvaʊtʃ.seɪf/

vouchsafe

Meaning
to grant or give something in a gracious or condescending manner
Example
He vouchsafed them a rare smile.
A2 noun ˈsɜːrvɪs

service

Meaning
An act of helping or doing work for someone.
Example
True education promotes the value of service to others.
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
B2 verb /əˈfend/

offend

Meaning
to cause displeasure or resentment; to hurt someone's feelings
Example
His rude comments offended many people at the meeting.
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
C2 noun /ˈplɛdʒɔːr/

pledgeor

Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
C1 adjective /ˈven.ə.məs/

Venomous

Meaning
secreting venom; full of malice or spite; extremely hostile
Example
The venomous snake struck quickly at its prey.
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
B2 noun /ˈsʌm.ɪt/

summit

Meaning
A high-level meeting between leaders, especially of governments; a conference.
Example
The summit addressed pressing global issues.
B1 noun /əˈpiːl/

Appeal

Meaning
a serious or urgent request, typically to the public; the quality of being attractive or interesting
Example
The charity made an appeal for donations.
C1 verb /prɪˈkluːd/

preclude

Meaning
To prevent something from happening; to make impossible.
Example
Heavy rain precluded the possibility of a picnic.
B2 noun /dɔːn/

Dawn

Meaning
the first appearance of light in the sky before sunrise; the beginning or start of something
Example
The fishermen set out to sea before dawn to catch the morning tide.
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
C2 verb /skwɛltʃ/

squelch

Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
C1 noun /ˈdɪsɪdənt/

dissident

Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
C1 verb /ˈtɑːtər/

totter

Meaning
To move unsteadily, as if about to fall; to be on the point of collapse.
Example
The old man tottered across the street with a cane.
C2 adjective /prɪˈhɛnsaɪl/

prehensile

Meaning
adapted for seizing or grasping, especially by wrapping around an object
Example
The monkey used its prehensile tail to hang from the branch.
C1 noun /ˌpæl.pɪˈteɪ.ʃən/

Palpitation

Meaning
a noticeably rapid, strong, or irregular heartbeat due to agitation or medical condition
Example
She experienced palpitations before her job interview.
C2 noun /ˈdæstərd/

dastard

Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
B1 noun /ˈɪnkʌm/

income

Meaning
money received for work or through investments
Example
His monthly income is enough to support his family.