solubility
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C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
C2 noun /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
B2 adverb /ˈsɒftli/

softly

Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

Meaning
to clean something thoroughly to destroy bacteria or viruses
Example
The nurse disinfected the wound before applying a bandage.
A2 adverb /əˈbʌv/

Above

Meaning
in or to a higher place; overhead
Example
The airplane flew above the clouds.
C2 noun /əˈkriːʃən/

accretion

Meaning
The process of growth or increase, typically by the gradual accumulation of additional layers or matter.
Example
The accretion of wealth allowed him to invest in various projects.
C1 verb /ˈæɡənaɪz/

agonize

Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
B1 adjective /ˈsensəbəl/

Sensible

Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
C2 adjective /ʌnˈtræməld/

untrammeled

Meaning
Not restricted or hampered; free and unrestricted.
Example
She enjoyed untrammeled freedom in her new life abroad.
B1 adverb /əˈrɪdʒɪnəli/

originally

Meaning
in the beginning, at first
Example
Originally, she wanted to be a doctor.
C1 noun /ˈmɛdli/

medley

Meaning
A mixture of different things, especially musical tunes combined together.
Example
The band played a medley of popular songs.
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
B1 preposition /ˈvaɪə/ or /ˈviːə/

via

Meaning
through, by way of, or using a particular route or means
Example
She sent the documents via email.
B1 noun/adjective /ˌdɒkjʊˈmɛntri/

documentary

Meaning
A film or television program that provides a factual record or report.
Example
We watched a documentary about climate change.
B1 verb /ɪɡˈzɪst/

exist

Meaning
to have being or reality; to be present
Example
Dinosaurs existed millions of years ago.
C1 adjective /ˌʌn.əˈdʌl.tə.reɪ.tɪd/

Unadulterated

Meaning
not mixed or diluted with any different or extra elements; pure
Example
She felt unadulterated joy when she heard the news.
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
C2 noun /ˌhoʊ.mi.oʊˈsteɪ.sɪs/

homeostasis

Meaning
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Example
The human body maintains homeostasis through temperature regulation.
A2 noun /ˈbʊkʃɒp/

bookshop

Meaning
a retail store where books are sold
Example
She spent an hour browsing in the small bookshop.
B2 adjective /ˈtrɪviəl/

trivial

Meaning
Of little value or importance.
Example
He often gets upset over the most trivial matters.
C2 adjective /ˌfoʊtoʊɪˈlɛktrɪk/

photoelectric

Meaning
relating to the emission of electrons or other free carriers when light shines on a material
Example
The photoelectric effect is fundamental in solar panels.
B2 noun /jʌŋ fɪʃ/

Young fish

Meaning
juvenile or small fish; fish that has not reached maturity
Example
Young fish need protection from predators.
C1 adjective /ˈtɜːrʃieri/

tertiary

Meaning
third in order, rank, or level
Example
He is pursuing his tertiary education at the university.
A2 noun/verb /ˈɪntrəst/ or /ˈɪntəˌrɛst/

interest

Meaning
A feeling of curiosity or concern about something; or money paid for the use of borrowed money.
Example
He showed great interest in learning new languages.
C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
B1 verb /tɔs/

toss

Meaning
To throw something lightly or casually; to move or turn suddenly.
Example
He tossed the keys onto the table.
B2 adjective /ˌʌnəˈveɪləbəl/

unavailable

Meaning
Not able to be obtained, reached, or used; not present or accessible.
Example
The manager was unavailable to take calls during the meeting.
B2 adjective /ˈkɔːstli/

costly

Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
A1 adjective /njuː/

new

Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
C1 noun/verb /sleɪt/

slate

Meaning
a fine-grained rock used for roofing or writing; to schedule or designate for a task
Example
The meeting is slated for next Monday.
B2 noun ˈwɜːrkˌləʊd

workload

Meaning
The amount of work to be done by someone or something.
Example
His workload has increased dramatically in the past month.
A1 pronoun /ˈsʌmwʌn/

someone

Meaning
a person, but not specifically known or named
Example
Someone left their umbrella in the hallway.
C2 noun /ˌɪnˌkeɪpəˈbɪləti/

incapability

Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
A2 noun /ˈbʌk.ɪt/

Bucket

Meaning
a roughly cylindrical open container with a handle, used to hold and carry liquids
Example
The farmer filled the bucket with fresh water from the well.
C1 noun /ˈɡræv.ɪ.tæs/

gravitas

Meaning
Dignity, seriousness, or solemnity of manner or speech.
Example
The judge spoke with great gravitas.
C1 noun /ˈdʒʌɡərˌnɔːt/

juggernaut

Meaning
A huge, powerful, and unstoppable force or institution.
Example
The new tech company has become a juggernaut in the industry.
A1 adverb /ɛls/

else

Meaning
In addition; besides.
Example
Is there anything else you need?
B2 verb /rɪˈzuːm/

resume

Meaning
to start again after a pause or interruption
Example
We will resume the meeting after lunch.
C2 noun /ˈdeɪ.ɪs/

Dais

Meaning
a raised platform, typically at one end of a room or hall, for speakers or honored guests
Example
The principal stood on the dais to address the entire school assembly.
B2 noun /ˌɪntəˈrʌpʃən/

interruption

Meaning
the act of stopping or breaking the continuity of something; a pause caused by an external action
Example
The meeting was delayed due to an unexpected interruption.
B2 noun /ˈwɒr.i.ər/

Warrior

Meaning
a person who fights in battles; a brave or experienced fighter
Example
The brave warrior defended his village from the invaders.
B2 noun /ˈdraɪv.weɪ/

driveway

Meaning
a short private road leading from a street to a house or garage
Example
The car was parked in the driveway next to the garden.
C2 noun /ˈhɑː.mə.li/

Homily

Meaning
a religious discourse delivered as part of a church service; a tedious moralizing lecture
Example
The priest delivered an inspiring homily about compassion and forgiveness during Sunday service.
C2 noun /proʊˈdʒɛnɪtər/

progenitor

Meaning
a direct ancestor; a person or thing that originates something
Example
Researchers traced the custom back to a common progenitor.
C2 noun /ˈvɪtrioʊl/

vitriol

Meaning
harsh and bitter criticism
Example
The politician faced vitriol from the public.
B2 adjective ˈaɪsəˌleɪtɪd

isolated

Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
B1 adjective /ˈtʃɑːr.mɪŋ/

charming

Meaning
Very pleasing or delightful in a way that attracts people.
Example
The village is full of charming little houses.
B1 noun /mʌɡ/

Mug

Meaning
a large cup, typically cylindrical and having a handle and used without a saucer
Example
She drank her morning coffee from a ceramic mug.
C1 noun /ˈhɜːrniə/

hernia

Meaning
A medical condition where an organ pushes through the muscle or tissue holding it in place.
Example
The doctor diagnosed him with an inguinal hernia.
A1 noun /taʊn/

town

Meaning
a human settlement smaller than a city
Example
The town was quiet on Sundays.
C1 adjective /ˈtʌtʃi/

Touchy

Meaning
easily upset or offended; overly sensitive
Example
He's very touchy about his height.
C2 noun (plural, informal) /skædz/

scads

Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
B2 adjective /ˈɡrʌm.pi/

Grumpy

Meaning
bad-tempered and irritable; easily annoyed
Example
He was grumpy all morning because he didn't sleep well.
B2 noun ɪˈmjuː.nɪ.ti

immunity

Meaning
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.
Example
A strong immunity protects against infections.
C2 adjective /ˈtʃɛəri/

chary

Meaning
cautious or wary about doing something
Example
She was chary of investing in the new business venture.
B1 noun /ˈwæɡən/

wagon

Meaning
a vehicle with four wheels used for carrying loads, often pulled by horses or a motor vehicle used for transporting goods or people
Example
The farmer loaded hay onto the wagon.
B2 noun /djuː/

Dew

Meaning
tiny drops of water that form on cool surfaces at night when atmospheric water vapour condenses
Example
The morning dew glistened on the grass.
C1 adjective,noun /kənˈtɪn.dʒənt/

contingent

Meaning
dependent on something else; a group of people representing an organization
Example
Attendance is contingent on prior registration. / A contingent of students attended the conference.
A2 noun /ˈkæs.əl/

Castle

Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
A1 adjective /ˈbjuː.tɪ.fəl/

Beautiful

Meaning
pleasing to the senses; attractive; having qualities that give great pleasure
Example
She has a beautiful voice that captivates everyone.
C1 noun /krʌst/

crust

Meaning
the hard outer surface of something, especially bread or the Earth's outer layer
Example
He cut off the crust of the bread before eating.
C1 verb /ˌɪntəˈsɛkt/

intersect

Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
C1 noun/verb /kruːˈseɪd/

crusade

Meaning
a vigorous campaign for a social, political, or religious cause; to fight passionately for a cause
Example
She has been crusading for women's rights all her life.
B1 noun /ˈsæm.ən/

salmon

Meaning
A large fish with pink flesh, often eaten as food.
Example
They served grilled salmon for dinner.
C2 noun /ˈpɜr.kwɪ.zɪt/

Perquisite

Meaning
an additional benefit or privilege given to an employee beyond their regular salary; a special right or advantage
Example
Company car was one of the perquisites of his executive position.
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
C1 verb /bɪˈɡrʌdʒ/

begrudge

Meaning
to resent someone for having something; to give reluctantly
Example
She did not begrudge him his success.
A2 noun /ˌɪnvɪˈteɪʃən/

invitation

Meaning
a written or spoken request to attend an event or to participate in something
Example
She sent me an invitation to her wedding.
C2 noun /ˌvɑːljəˈbɪləti/

volubility

Meaning
The quality of talking fluently, readily, or incessantly.
Example
His volubility made him a successful radio host.
C2 noun /ˈɪndələns/

indolence

Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
C1 noun ˌkʌl.mɪˈneɪ.ʃən

culmination

Meaning
The highest or climactic point of something, especially as attained after a long time.
Example
The project reached its culmination after years of effort.
B2 adverb /əˈproʊpriətli/

appropriately

Meaning
in a way that is suitable or proper for a particular situation
Example
She was dressed appropriately for the event.
B2 noun, adjective /prɪˈmɪər/ or /ˈpriːmiər/

premier

Meaning
the head of government in some countries; first in importance or rank
Example
The French premier addressed the nation.
C1 noun /ˈdɑːsieɪ/

dossier

Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
B1 adjective /ˈkɜːrli/

curly

Meaning
having curls or waves; shaped with bends or coils
Example
She has naturally curly hair.
C2 adjective /ˈdʌlsɪt/

dulcet

Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
C2 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

Meaning
Incapable of being made perfect or complete.
Example
Some human qualities are considered imperfectible.
A2 noun ˈfɔːrɪsts

Forests

Meaning
Large areas covered with trees and undergrowth, providing natural habitats for wildlife.
Example
Forests provide shelter and food for butterflies.
A2 adjective, noun /ˈeɪʒən/

asian

Meaning
relating to Asia or its people
Example
She loves Asian culture.
A2 noun /ˈpaɪnˌæpəl/

pineapple

Meaning
a tropical fruit with a rough spiky skin, sweet yellow flesh, and a leafy crown
Example
She added fresh pineapple to the fruit salad.
C1 noun məˈnɒp.əl.i

monopoly

Meaning
The exclusive possession or control of the supply of or trade in a commodity or service.
Example
The company has a monopoly on electric car production.
B2 adjective /ˈvɜː.bəl/

verbal

Meaning
Relating to or in the form of words; spoken rather than written.
Example
Verbal communication is essential in most situations.
C1 noun, verb /wɪf/

whiff

Meaning
A brief, faint smell or puff of air; to get a quick smell of something.
Example
I caught a whiff of perfume as she passed by.
C2 adjective /ʌnˈspɛərɪŋ/

unsparing

Meaning
Showing no mercy or generosity; harsh or severe.
Example
The critic was unsparing in his review of the play.
C1 noun /ˈtræpɪŋz/

trappings

Meaning
the outward signs, features, or objects associated with a role, event, or status
Example
The king appeared with all the trappings of royalty.
B2 noun /prɪˈskrɪpʃən/

prescription

Meaning
A written order from a doctor for the preparation and administration of a medicine; also, a recommendation or authoritative rule.
Example
The doctor gave her a prescription for antibiotics.
B2 verb /pʌmp/

pump

Meaning
to force liquid or gas to move in a particular direction using a device
Example
They pumped water from the well into the tank.
C1 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
A2 noun /ˈtreɪnɪŋ/

training

Meaning
the process of teaching or learning a particular skill or type of behavior
Example
She completed her training as a nurse last year.
B2 verb /kəˈrɛspɒnd/

correspond

Meaning
to communicate by exchanging letters or messages
Example
I correspond regularly with my old friends.
B2 adjective /ʌnˈwɪl.ɪŋ/

Unwilling

Meaning
not ready to do something; reluctant; not wanting to do
Example
He was unwilling to share his secret with anyone.
B2 noun /ˈmeɪn.tən.əns/

maintenance

Meaning
The process of keeping something in proper working condition; upkeep.
Example
Regular maintenance increases the lifespan of machines.
C2 verb /ˈʌndjʊleɪt/

undulate

Meaning
To move with a smooth, wave-like motion.
Example
The snake undulated across the sand.
C2 noun /ˌfɪziˈɒnəmi/

physiognomy

Meaning
the study of facial features to judge character or personality
Example
He believed in physiognomy and tried to read people's personalities from their faces.
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

Meaning
A machine that generates electricity; a person with great energy and enthusiasm.
Example
She is the real dynamo behind the success of the company.
B1 noun əˈwɛrnɪs

Awareness

Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.
B2 noun /flɔː/

flaw

Meaning
a defect or imperfection in something
Example
The diamond had a small flaw that was barely visible.
B2 adjective /ʌnˈwel.kəm/

Unwelcome

Meaning
not wanted or accepted; not invited or pleasant
Example
The unwelcome news ruined their vacation plans.
C2 noun /ˈpɜːrsɪflɑːʒ/

persiflage

Meaning
light and slightly contemptuous mockery or banter
Example
Their conversation was full of persiflage and jokes.
B2 verb /əˈveɪl/

avail

Meaning
to make use of something; to be of use or benefit
Example
You should avail yourself of this opportunity.
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
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.
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
B2 noun /ˌɛksɪˈkjuːʃən/

execution

Meaning
the act of carrying out a plan, order, or legal sentence
Example
The success of a project depends on its proper execution.
B1 noun /kriˈeɪ.ʃən/

Creation

Meaning
the action or process of bringing something into existence; something that has been made or invented
Example
The artist's latest creation was displayed at the modern art gallery.
B2 verb /dɪˈfɜːr/

defer

Meaning
To postpone or delay; to yield to someone else's judgment or opinion.
Example
The meeting was deferred until next week.
C2 noun /sʌbˈɔːl.tən/

subaltern

Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
C1 verb /ˈɡlɔːrɪfaɪ/

glorify

Meaning
to praise or honor someone or something; to make something seem better than it is
Example
The movie glorifies war heroes.
C2 noun /ˌθiːəˈloʊdʒən/

theologian

Meaning
A person who studies or is an expert in theology.
Example
Theologians often debate complex questions of faith and morality.
C2 noun /ˈɪnsələns/

insolence

Meaning
rude or disrespectful behavior
Example
The teacher was shocked by the student's insolence.
C1 noun /ˈʃʊɡ.ər ˈkæn.di/

Sugar candy

Meaning
crystallized sugar formed into small pieces; rock candy made from sugar syrup
Example
The children enjoyed eating colorful sugar candy at the festival.
C1 noun /ɪˈpɪt.ə.mi/

epitome

Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
C2 adjective /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

Meaning
Not to be broken, violated, or infringed
Example
The constitution guarantees certain irrefrangible rights to every citizen.
C2 noun /bɪsk/

bisque

Meaning
A rich, creamy soup made from shellfish.
Example
We ordered lobster bisque at the restaurant.
B2 adjective ˈel.ɪ.dʒə.bəl

eligible

Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
C1 verb /rɪˈtɔːrt/

retort

Meaning
To reply quickly or sharply, often in a witty or angry manner.
Example
He quickly retorted that he was not to blame.
C1 adjective /ɪnˈstrʌktɪv/

instructive

Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
C2 noun /juːˈdʒen.ɪks/

eugenics

Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
C2 noun /wɪt/

whit

Meaning
a very small part or amount
Example
He doesn't care a whit about the outcome.
C1 noun /əˈsɛnʃən/

ascension

Meaning
The act of rising or going up, often to an important position or a higher place.
Example
His rapid ascension in the company surprised everyone.