opportunist
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C1 noun /ˌɑːpərˈtuːnɪst/

opportunist

Meaning
A person who takes advantage of situations for personal gain, often disregarding principles.
Example
He is seen as an opportunist who always puts his interests first.
C2 noun /ˌjuːnɪˈtɛəriən/

unitarian

Meaning
A person who believes that God exists as one entity rather than as a Trinity; a member of a religious denomination that emphasizes individual freedom of belief.
Example
The Unitarian church is known for its inclusive and open-minded approach.
B2 noun kəˈmɒd.ə.ti

commodity

Meaning
A raw material or primary agricultural product that can be bought and sold.
Example
Oil is a valuable commodity in the global market.
C2 noun /ˈspɛndˌθrɪft/

spendthrift

Meaning
A person who spends money extravagantly or wastefully.
Example
The young prince was known as a spendthrift, wasting his fortune on lavish parties.
B1 verb /krɔːl/

crawl

Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
B2 adjective /ˌʌndɪˈzaɪərəbl/

Undesirable

Meaning
not wanted or wished for; harmful or unpleasant
Example
The new policy had several undesirable consequences.
B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

Meaning
Achieving maximum productivity with minimum wasted effort or expense.
Example
Cost-efficient solutions benefit industries.
A2 noun /ˈɡroʊ.sər.i/

grocery

Meaning
A store that sells food and household supplies.
Example
She went to the grocery to buy vegetables.
C1 noun ˌkɒn.ʃiˈen.ʃəs.nəs

conscientiousness

Meaning
The quality of wishing to do one's work or duty well and thoroughly; diligence.
Example
Her conscientiousness in work led to a well-organized project.
A1 verb /treɪn/

Train

Meaning
to teach skills or prepare for a specific activity
Example
Athletes train hard for the Olympics.
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.
C2 noun /ˈfriːˌθɪŋkər/

freethinker

Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
B1 adjective /ˈjuːnɪfɔːrm/

Uniform

Meaning
consistent; identical; standardized
Example
All students must wear a uniform to school.
B2 verb /fɔːrˈsiː/

foresee

Meaning
To be aware of beforehand; to predict or expect.
Example
She could foresee the challenges ahead.
C2 noun /kaɪˈmɪərə/

chimera

Meaning
A mythical creature with parts from different animals; also used to mean a fanciful illusion or unattainable dream.
Example
The idea of a perfect society is often a chimera.
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.
B2 noun fəˈtiːɡ

fatigue

Meaning
Physical or mental exhaustion due to prolonged exertion or mental stress
Example
Lack of sleep leads to extreme fatigue.
C2 adjective /sərˈkjuːɪtəs/

circuitous

Meaning
Longer than the most direct way; roundabout.
Example
He took a circuitous route to avoid traffic.
C1 verb /ˈmæd.ən/

madden

Meaning
To make someone very angry or extremely annoyed.
Example
The constant noise maddened him.
B2 noun /ˈækjərəsi/

Accuracy

Meaning
the quality of being correct or precise; exactness
Example
The accuracy of the measurements is very important.
C1 adjective ˈwɛðərpruːf

weatherproof

Meaning
Able to resist or be unaffected by weather, especially rain and wind.
Example
The materials used are weatherproof, ensuring longevity.
B2 adjective /self səˈfɪʃənt/

Self-sufficient

Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
B1 verb /ˈkɒnsəntreɪt/

concentrate

Meaning
to focus all one's attention or mental effort on a particular object or activity
Example
She tried to concentrate on her studies despite the noise.
C1 noun esˈθet.ɪks

aesthetics

Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
C1 adverb /ˈɒp.tɪ.məl.i/

optimally

Meaning
In the most effective or efficient way possible.
Example
Tasks should be allocated optimally for maximum output.
C1 verb /ˈhæɡəl/

haggle

Meaning
to argue about the price; to bargain persistently
Example
They haggled over the price for an hour.
B2 adjective /ˈfeɪvərəbəl/

favorable

Meaning
expressing approval or support; advantageous
Example
The weather conditions were favorable for the outdoor event.
C1 noun /ˈdʒɔːn.dɪs/

jaundice

Meaning
A medical condition in which the skin and eyes become yellow due to liver problems.
Example
The doctor diagnosed the baby with jaundice.
C1 noun /ˈkætərækt/

cataract

Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
C2 adjective /ˈɑːrtləs/

artless

Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
C1 adjective /tɔːt/

taut

Meaning
stretched or pulled tight; tense
Example
The rope was pulled taut between the two poles.
B2 noun ˌkɒn.ekˈtɪv.ɪ.ti

connectivity

Meaning
The state of being connected or interconnected; the capacity for the interconnection of platforms, systems, and applications.
Example
Improved connectivity boosts economic development.
B2 verb /ˈprɒspər/

prosper

Meaning
to succeed or flourish, especially in financial or business matters
Example
With hard work and determination, she managed to prosper in her career.
C2 noun /ˈmæl.əˌfæk.tər/

malefactor

Meaning
A person who commits a crime or does evil.
Example
The malefactor was arrested for the robbery.
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 noun ˈtɑksɪk ɪˈmɪʃənz

toxic emissions

Meaning
Harmful or poisonous substances released into the environment, especially the atmosphere.
Example
Toxic emissions from vehicles pollute the atmosphere.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
B2 noun /ˈfræk.ʃən/

Fraction

Meaning
a numerical quantity that is not a whole number; a small or tiny part of something
Example
Only a small fraction of the population voted in the local election.
A1 noun /ˈlet.ər/

Letter

Meaning
a character representing one or more of the sounds used in speech; a written message, typically sent in an envelope
Example
She wrote a letter to her grandmother.
C2 noun /ˌbædɪˈnɑːʒ/

badinage

Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
B2 adjective /trɪm/

Trim

Meaning
neat and orderly in appearance; slim and fit
Example
She keeps her garden very trim and tidy.
C2 noun ˈtɪl.ɪdʒ

tillage

Meaning
The preparation of land for growing crops.
Example
Excessive tillage can lead to soil erosion.
A2 adjective /liːst/

Least

Meaning
smallest in amount or degree; minimal
Example
This is the least expensive option available.
C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

Meaning
A scholar or expert who studies the nature, sources, and limits of knowledge.
Example
The epistemologist debated how humans can truly know anything with certainty.
B2 noun /slʌm/

Slum

Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
C1 noun /ˈɒktəɡən/

octagon

Meaning
A polygon with eight sides and eight angles.
Example
The stop sign is shaped like an octagon.
C1 verb /ˈmedɪkeɪt/

medicate

Meaning
to treat with medicine; to give drugs to someone for medical purposes
Example
The doctor will medicate the patient to reduce inflammation.
B2 verb /wɛd/

wed

Meaning
to marry someone; to enter into a marriage
Example
They decided to wed in a small ceremony by the beach.
B2 adjective /ˈbaɪəst/

Biased

Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
C1 adjective /ˈhæk.nid/

hackneyed

Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
A2 noun /wiːl/

wheel

Meaning
a circular object that revolves on an axle and is used to move or carry things
Example
The wheel of the car broke down on the way.
C2 noun, verb /ˈpɑːrli/

parley

Meaning
a discussion between opposing sides, especially to negotiate terms
Example
The generals met to parley over the terms of surrender.
B2 noun /ˈsoʊlər ɪˈklɪps/

Solar eclipse

Meaning
an eclipse in which the sun is obscured by the moon passing between it and the earth
Example
The solar eclipse will be visible from our city next month.
B2 noun /ˈsmɑːrt.nəs/

Smartness

Meaning
intelligence; cleverness; neat and fashionable appearance
Example
Her smartness in solving problems impressed everyone.
B2 noun /ˌkɑː.bəʊˈhaɪ.dreɪts/

carbohydrates

Meaning
Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a primary source of energy for the body.
Example
Whole grains are a great source of healthy carbohydrates.
B2 noun /ˈaɪ.saɪt/

Eyesight

Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
C2 verb /ʌnˈjoʊk/

unyoke

Meaning
To release from a yoke or to free from restraint or obligation.
Example
The farmer unyoked the oxen after a long day of work.
C1 noun /ˈɑː.kɪ.taɪp/

archetype

Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
A2 adverb /əˈkrɒs/

Across

Meaning
from one side to the other side of something; in every part of a place
Example
The bridge stretches across the river.
A2 noun /ˈtrævələr/

traveller

Meaning
A person who is on a journey or frequently travels to different places.
Example
The traveller set out early in the morning to explore new lands.
B2 verb /ˈbætər/

batter

Meaning
To strike repeatedly with force.
Example
The waves battered the shoreline all night.
C2 noun /ˈkwɔːrtoʊ/

quarto

Meaning
A book size resulting from folding each printed sheet into four leaves (eight pages).
Example
The library has rare Shakespeare quartos.
B1 noun /ˈpɒlɪtɪks/

politics

Meaning
activities related to the governance of a country or area, especially the debate between parties having power
Example
Politics often involves making difficult decisions.
C1 noun /moʊˈtiːf/

motif

Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
B2 adjective /æʃ ˈkʌl.ər/

Ash-colour

Meaning
a grayish color resembling ash
Example
The old building had ash-colour walls that needed painting.
C1 adjective /ˈɡrʌdʒɪŋ/

grudging

Meaning
Reluctant or unwilling; given or allowed only with hesitation.
Example
She gave him a grudging smile after the argument.
B1 noun /ˈʃel.tər/

Shelter

Meaning
a place giving temporary protection from bad weather or danger
Example
The hikers found shelter in a cave during the heavy rain.
C2 noun /blɑːtʃ/

blotch

Meaning
a large, irregular spot or stain, often on skin or fabric
Example
His shirt had a red blotch from the spilled juice.
B2 verb /kəmˈplaɪ/

comply

Meaning
to act in accordance with a rule, request, or law
Example
All companies must comply with safety regulations.
C1 noun /pəˈræl.ə.sɪs/

Paralysis

Meaning
the loss of the ability to move part or all of the body; complete inability to act or function
Example
The accident left him with paralysis in his legs.
B2 adjective /ˈædvɜːrs/

Adverse

Meaning
harmful; unfavorable; opposing; negative
Example
The adverse weather conditions forced them to cancel the event.
C1 noun koʊˈhisɪv ˈjunɪts

cohesive units

Meaning
Groups or organizations that work together as unified wholes, with members closely bound together.
Example
Early humans formed cohesive units for survival.
B1 adjective /ˈmiː.nɪŋ.fəl/

Meaningful

Meaning
having significance; purposeful; important
Example
She found meaningful work helping others.
C2 noun /ˈɪnsələns/

insolence

Meaning
rude or disrespectful behavior
Example
The teacher was shocked by the student's insolence.
C2 noun /dɪˈpɑːzɪtər/

depositor

Meaning
a person who places money in a bank or financial institution
Example
The bank provides insurance to protect depositors’ funds.
C2 adjective /prəˈpɪʃəs/

propitious

Meaning
giving or indicating a good chance of success; favorable
Example
The sunny weather was a propitious start to the picnic.
C2 adjective, noun /pləˈbiːən/

plebian

Meaning
alternate spelling of 'plebeian'; common or ordinary
Example
His tastes were rather plebian, favoring simple food and clothes.
B1 verb /kəˈmɪt/

commit

Meaning
To carry out or perpetrate an act; to pledge or bind to a course of action.
Example
He committed a serious mistake in the report.
B2 verb prəˈlɔŋd

prolonged

Meaning
Extended in duration; made to last longer than usual.
Example
Modern medicine has prolonged life expectancy.
B1 verb /əˈsɛs/

assess

Meaning
to evaluate or estimate the nature, ability, or quality of something
Example
The teacher assessed the students' progress.
A2 noun /kæp/

Cap

Meaning
a head covering with a visor; a protective covering
Example
He wore a baseball cap to protect himself from the sun.
B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

Meaning
to clean something thoroughly to destroy bacteria or viruses
Example
The nurse disinfected the wound before applying a bandage.
C1 noun /juːˈfɔː.ri.ə/

euphoria

Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
C2 adverb /ˈdʒɪndʒərli/

gingerly

Meaning
in a very careful or cautious manner
Example
She walked gingerly on the icy path.
C1 verb /ˈstaɪmi/

stymie

Meaning
to prevent or hinder the progress of something
Example
The new regulations could stymie small businesses.
C1 adjective /ˈɔːbərn/

auburn

Meaning
reddish-brown in color, especially used to describe hair
Example
She has long auburn hair that shines in the sunlight.
B2 noun /ˈθiːərɪst/

theorist

Meaning
A person who develops, studies, or explains theories in a particular field.
Example
The political theorist explained the impact of democracy on social structures.
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.
B2 noun /ˈmes.ɪn.dʒər/

Messenger

Meaning
a person who carries messages or communications between parties
Example
The messenger delivered important battle plans to the commander.
B2 noun /ɡʊdz treɪn/

Goods train

Meaning
a train designed to transport cargo and freight rather than passengers
Example
The long goods train carried containers from the port to the inland depot.
B2 noun /ˈsɪnəmən/

Cinnamon

Meaning
aromatic spice obtained from the inner bark of several tree species
Example
Cinnamon is often used in baking and desserts.
B2 adjective /ʌnˈtʃeɪndʒɪŋ/

unchanging

Meaning
remaining the same over time; not changing
Example
Her love for her family was unchanging throughout the years.
B1 noun /roʊp/

rope

Meaning
a strong, thick cord made of twisted fibers or strands
Example
The climbers used a rope to scale the mountain.
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.
B1 noun /ˈsoʊ.lər ˌsɪs.təm/

Solar system

Meaning
the sun and all the planets, moons, asteroids and other objects that orbit around it
Example
Our solar system has eight planets orbiting the sun.
C1 adjective /ˈsɪnləs/

Sinless

Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
C2 noun /raɪm/

rime

Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
C2 noun /ˈhɛptɑːrki/

heptarchy

Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
C2 noun /roʊˈtʌn.də/

rotunda

Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
B2 adjective ˈpeɪn.ləs

painless

Meaning
Not causing pain; involving little effort or stress.
Example
Modern methods ensure painless treatment.
C1 verb /koʊˈhæbɪt/

cohabit

Meaning
To live together, often as partners without being married.
Example
They decided to cohabit before getting married.
C2 noun /proʊˈbɑːsɪs/

proboscis

Meaning
The long, flexible nose of some animals, especially an elephant, or a tubular feeding and sucking organ in insects.
Example
The elephant used its proboscis to grab food.
B2 adjective /prəˈnaʊnst/

pronounced

Meaning
very noticeable or strongly marked
Example
There is a pronounced difference between the two styles.
B2 verb /skɪm/

skim

Meaning
to move quickly over a surface or to read something quickly
Example
She skimmed through the report before the meeting.
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
A1 noun /bɒks/

Box

Meaning
a container with flat sides and a lid, used for storing or carrying things
Example
She put her toys in the wooden box.
C2 noun /ˈɪnˌɡreɪt/

ingrate

Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
A1 verb /biː/

be

Meaning
To exist, to occur, or to have a particular quality.
Example
She wants to be a doctor.
C1 noun /əˈpærəl/

apparel

Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
A2 noun ˈneɪ.tʃər

nature

Meaning
The basic or inherent features of something, especially when seen as characteristic of it.
Example
The calm nature of the environment helps healing.
C1 noun /moʊt/

moat

Meaning
A deep, wide ditch surrounding a castle or town, often filled with water, for defense.
Example
The castle was protected by a wide moat filled with water.
A2 noun /ˈwɛdɪŋ/

wedding

Meaning
a marriage ceremony, especially considered as including the associated celebrations
Example
They are planning a wedding in the summer.
C2 adjective /ˌɛpɪkjʊˈriːən/

epicurean

Meaning
relating to the enjoyment of fine food, drink, and luxury
Example
The chef prepared an epicurean feast for the guests.
C2 noun /ˈklæpər/

clapper

Meaning
The free-swinging metal piece inside a bell that strikes it to produce sound.
Example
The clapper inside the bell was broken.
C2 verb /ˈmɒlikɒdl/

mollycoddle

Meaning
To treat someone in an overprotective and indulgent way.
Example
Parents should avoid mollycoddling their children too much.
C2 noun /ˈkærəˌpeɪs/

carapace

Meaning
the hard shell covering the back of some animals like turtles and crabs
Example
The turtle withdrew into its carapace for protection.
A2 adjective /niːt/

Neat

Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
C1 verb /fɔrˈstɔl/

forestall

Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
B2 noun ˈɡloʊbəl kəˌlæbəˈreɪʃən

global collaboration

Meaning
Cooperation and partnership between countries or organizations worldwide to address common challenges.
Example
Global collaboration is necessary to address climate change.
A2 noun /sænd/

sand

Meaning
Small loose grains of crushed rock, found on beaches and deserts.
Example
Children built castles out of sand on the beach.