redundancy
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C1 noun rɪˈdʌndənsi

redundancy

Meaning
The state of being not or no longer needed or useful; superfluousness.
Example
The redundancy in the company's workforce led to many layoffs.
B2 noun, verb /ˈfaɪlɪŋ/

filing

Meaning
the act of submitting documents; the process of organizing papers
Example
The lawyer handled the filing of all court documents.
C1 adjective rɪsk-ədˈʤɛstɪd

risk-adjusted

Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
C2 noun /ˈvɛləm/

vellum

Meaning
a fine parchment made originally from the skin of a calf, used for writing or printing
Example
The ancient manuscript was written on vellum.
A2 noun /ˈkɒm.ent/

comment

Meaning
a verbal or written remark expressing an opinion or reaction
Example
She posted a kind comment on my photo.
C2 adjective /ɪmˈplaɪəbl/

impliable

Meaning
Capable of being implied or suggested.
Example
The meaning of the statement is not directly clear but is impliable from the context.
B2 noun /ˈʌpˌkiːp/

up-keep

Meaning
The process or cost of maintaining something in good condition.
Example
The upkeep of the old house is very expensive.
C2 adjective /ˈɪnfəntaɪl/

infantile

Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
C2 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
B2 verb /ˈræm.bəl/

ramble

Meaning
to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.
Example
He rambled on about his childhood for hours.
C2 adjective ˈɛr.jʊ.daɪt

erudite

Meaning
Having or showing great knowledge or learning; scholarly and intellectual.
Example
The professor's erudite lecture fascinated the students.
C2 noun səˈtaɪ.ə.ti

satiety

Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
C1 adjective /ˈʃeɪp.ləs/

Shapeless

Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
C2 noun /məˈʃiː.nɪst/

machinist

Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
C2 noun /ˌvælɪˌtjuːdɪˈnɛəriən/

valetudinarian

Meaning
A person who is unduly anxious about their health or constantly concerned with minor ailments.
Example
He was regarded as a valetudinarian, always worrying about his health.
B1 noun /ˈmænər/

manner

Meaning
a way in which something is done or happens
Example
He spoke in a polite manner.
B1 verb ˈtrænsfər

transfer

Meaning
To move from one place to another; to hand over.
Example
Power transfer was necessary.
C1 noun /ˈtoʊtəm/

totem

Meaning
A natural object, animal, or symbol that is revered as a spiritual emblem by a group or tribe.
Example
The eagle is considered a sacred totem in many cultures.
C1 adjective /dɪsˈrɛpjətəbl̩/

disreputable

Meaning
having a bad reputation; not considered respectable or trustworthy
Example
The journalist avoided staying in the disreputable part of town.
C1 adjective /riˈækʃəˌneri/

reactionary

Meaning
Opposing political or social progress or reform; extremely conservative.
Example
The group took a reactionary stance against the new policies.
B2 noun /ˈdɛsɪməl/

decimal

Meaning
A number system based on 10; a number expressed in the base-10 system.
Example
The number 0.75 is a decimal.
C1 noun /wʊd ˈæp.əl/

Wood Apple

Meaning
a hard-shelled tropical fruit with aromatic pulp used in beverages and medicine
Example
The wood apple has a hard shell but sweet pulp inside.
B2 noun /ˈkaʊnsələr/

counsellor

Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
C2 noun /ˈmænˌiː.tər/

man-eater

Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
C2 adjective /ˈvɪsɪd/

viscid

Meaning
Having a thick, sticky consistency.
Example
The sap had a viscid texture that stuck to his hands.
C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
C1 noun /ˈʌndərˌstʌdi/

understudy

Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
C1 noun ˈoʊʃən əˌsɪdɪfɪˈkeɪʃən

ocean acidification

Meaning
The ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide from the atmosphere.
Example
Ocean acidification is caused by atmospheric CO2 absorption.
B2 adjective /ˈbruː.təl/

brutal

Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
B2 noun /kənˌtɪn.juˈeɪ.ʃən/

continuation

Meaning
the action of carrying something on over time; extension
Example
The continuation of the series was announced after the finale.
C2 verb /ˈsʌpjʊˌreɪt/

suppurate

Meaning
to form or discharge pus, usually as a result of infection
Example
The wound began to suppurate after a few days.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
C2 noun /ˈmɪsəl/

missal

Meaning
a book containing the texts used in the Catholic Mass throughout the year
Example
The priest read from the missal during the ceremony.
C1 verb /reɪz/

raze

Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
A1 verb /ˈstʌdi/

study

Meaning
to learn about something; to examine carefully; to research
Example
I study mathematics every evening.
C2 noun ˌhiː.məˈfɪl.i.ə

hemophilia

Meaning
A medical condition in which the ability of the blood to clot is severely reduced, causing the sufferer to bleed severely from even a slight injury.
Example
Hemophilia treatment benefits from genetic editing.
C2 verb /bɪˈhuːv/

behoove

Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
C1 adjective /wɪðˈdrɔːn/

withdrawn

Meaning
quiet and shy; not wanting to talk to others
Example
After the incident, he became withdrawn and avoided his friends.
C1 adjective /ˌmed.iˈiː.vəl/

Mediaeval

Meaning
relating to the Middle Ages; medieval
Example
The castle displayed mediaeval architecture and design.
B1 noun /ˌdɛfɪˈnɪʃən/

definition

Meaning
a statement that explains the meaning of a word or concept
Example
The dictionary gives a clear definition of the word.
B2 adjective /ˈwɜːrði/

Worthy

Meaning
deserving respect or attention; having merit
Example
Her charitable work made her worthy of the humanitarian award.
B2 noun /həˈraɪ.zən/

horizon

Meaning
the line where the earth seems to meet the sky; the limit of one's knowledge, experience, or interest
Example
The sun disappeared below the horizon.
C2 adjective/noun /fɪˈduː.ʃi.er.i/

fiduciary

Meaning
Involving trust, especially with regard to the relationship between a trustee and a beneficiary.
Example
Banks have fiduciary duties towards their clients.
B2 adjective /ɪɡˈzɑːtɪk/

exotic

Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
B1 adjective /ʌnˈjuː.ʒu.əl/

Unusual

Meaning
not typical; strange; different from what is normal
Example
She wore an unusual dress to the party.
B1 noun /ˌdiː.enˈeɪ/

dna

Meaning
Deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Example
Scientists extracted DNA from the ancient bones.
C2 adjective /ˈprɛʃənt/ or /ˈpriːʃənt/

prescient

Meaning
having or showing knowledge of events before they take place
Example
The prescient investor sold his shares just before the market crashed.
C1 noun /ɪnˈsaɪtmənt/

incitement

Meaning
the action of provoking unlawful or violent behavior
Example
He was arrested for incitement to riot.
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.
C1 noun /ʌpˈhiːvəl/

upheaval

Meaning
a violent or sudden change or disruption to something
Example
The company faced a major upheaval after the sudden resignation of its CEO.
C2 adjective /rɪˈflɛksəbl/

reflexible

Meaning
Capable of being reflected or bent back.
Example
The surface was highly reflexible, bouncing light in different directions.
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.
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
C2 adjective /boʊˈhiːmiən/

bohemian

Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
C1 adjective /ˌhɔːrtɪˈkʌltʃərəl/

horticultural

Meaning
Relating to the art or practice of garden cultivation and management.
Example
She studied horticultural science at the university.
C1 noun /ˈaɪsətəʊp/

isotope

Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
B1 noun /ˈkɔːrɪdɔːr/

corridor

Meaning
a long passage in a building from which doors lead into rooms
Example
The students waited quietly in the corridor.
C1 noun /ˈɡæmbɪt/

gambit

Meaning
a calculated move or remark intended to gain an advantage, especially in chess or conversation
Example
His opening gambit in the debate caught everyone by surprise.
C1 verb /ˈɡælvənaɪz/

galvanize

Meaning
to shock or excite someone into taking action; to coat iron or steel with a protective layer of zinc
Example
The speech galvanized the crowd into action.
C1 adjective /pəˈdæntɪk/

pedantic

Meaning
Excessively concerned with minor details or rules; overly academic or bookish.
Example
Her pedantic explanations made the lecture dull.
B2 noun /buːθ/

booth

Meaning
a small enclosed space or area used for a specific purpose, such as voting or selling.
Example
He went into the voting booth to cast his ballot.
B2 noun /ˈder.ɪŋ/

Daring

Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
C1 adjective ˈfjuː.taɪl

futile

Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
C1 adjective /ˈnɔːtɪkəl/

nautical

Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
A2 verb /ɪnˈvaɪt/

invite

Meaning
to ask someone to come to an event or to do something
Example
We should invite all our friends to the party.
C1 noun /ˌrek.ənˌsɪl.iˈeɪ.ʃən/

reconciliation

Meaning
The restoration of friendly relations; the action of making one view or belief compatible with another.
Example
The peace treaty was a major step toward reconciliation.
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
C2 adjective /saɪˈdɪəriəl/

sidereal

Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
B2 verb /stɪtʃ/

stitch

Meaning
to sew with needle and thread; to join pieces of fabric
Example
She will stitch the torn dress carefully.
B2 noun /ˈmɛmoʊ/

memo

Meaning
a written message, typically in a business setting
Example
He wrote a memo to the staff about the upcoming meeting.
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
C1 noun /ˌfɪziˈɑːlədʒi/

physiology

Meaning
the scientific study of the functions and mechanisms in a living system
Example
She is majoring in human physiology at the university.
C1 noun /ˈfɔːrwɜːrd/

foreword

Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
C2 adjective /rɪˈfræktəri/

refractory

Meaning
Stubborn or resistant to control, authority, or treatment.
Example
The refractory child refused to follow the teacher's instructions.
B2 noun /prɒp/

prop

Meaning
an object used on stage by actors during a performance; something that supports or holds up
Example
The actor forgot his prop on stage.
C2 verb /kɔːk/

caulk

Meaning
to seal a crack or gap with a waterproof filler
Example
He caulked the window frames to stop the draft.
C1 verb /ɪnˈɡroʊs/

engross

Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
B2 noun /ˈkɑːmpaʊnd/

compound

Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
C1 noun /ɪnˈsek.tɪ.saɪd/

Insecticide

Meaning
a substance used for killing insects; a chemical pesticide that targets insects
Example
The farmer sprayed insecticide on his crops to protect them from harmful bugs.
B2 noun /ˈmɒlɪkjuːl/

molecule

Meaning
The smallest unit of a chemical compound that retains its chemical properties.
Example
A water molecule is made up of two hydrogen atoms and one oxygen atom.
A1 interjection /həˈloʊ/

hello

Meaning
a greeting or expression used when meeting someone or starting a conversation
Example
She answered the phone with a cheerful hello.
B1 verb /oʊ/

owe

Meaning
to be under obligation to pay or repay; to be indebted
Example
I owe my success to my parents' support.
A2 adjective /ˈsɛvənθ/

seventh

Meaning
constituting number seven in a sequence; coming after the sixth
Example
Her birthday is on the seventh of July.
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
B2 adjective /əˈɡriːəbl/

Agreeable

Meaning
pleasant; enjoyable; delightful; willing to agree
Example
The weather is very agreeable today.
C1 noun /ˈfɔːrˌrʌnər/

forerunner

Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
A2 noun /ˈbʌt.ər.flaɪ/

Butter-fly

Meaning
a flying insect with large colorful wings
Example
The beautiful butterfly landed on the flower.
C2 noun /ˈdʒɪb.ɪt/

Gibbet

Meaning
a gallows for hanging criminals; an upright post with a projecting arm for hanging the bodies of criminals
Example
In medieval times, criminals were often executed on a gibbet as a public warning.
A1 noun /ˈwɛð.ɚ/

weather

Meaning
The state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.
Example
The weather forecast predicts heavy rain tomorrow.
C1 adverb /ˌðɛrəˈbaʊt/

thereabout

Meaning
Approximately or around that place, amount, or time.
Example
The repairs will cost five hundred dollars or thereabout.
C2 noun /ɡɜːrθ/

girth

Meaning
the measurement around the middle of something, especially a person's waist or a tree trunk
Example
The tree's girth measured nearly five feet.
A2 noun /ˈsiː.nər.i/

Scenery

Meaning
the natural features of a landscape; the painted background used on a theater stage
Example
The mountain scenery was breathtakingly beautiful.
C2 noun/verb /ˈpɪləri/

pillory

Meaning
a device for publicly punishing someone / to expose to public ridicule
Example
The corrupt official was placed in the pillory for the town to jeer at.
B2 noun /rɪˈvendʒ/

Revenge

Meaning
the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands
Example
She sought revenge against those who betrayed her trust.
C2 noun /klaɪm/

clime

Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
A1 noun /hoʊm/

home

Meaning
the place where one lives, especially with family; a residence
Example
She finally returned home after a long journey.
C1 verb /ˈvɪn.dɪ.keɪt/

vindicate

Meaning
To clear someone of blame or suspicion; to show or prove to be right, reasonable, or justified.
Example
The new evidence helped vindicate the wrongly accused man.
C1 adjective /ɪnˈsteɪbəl/

instable

Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
B1 noun /ˈhæm.ər/

Hammer

Meaning
a tool with a heavy metal head for hitting nails or breaking things
Example
She used a hammer to nail the picture frame to the wall.
C1 noun /ˈθɪk.ɪt/

Thicket

Meaning
a dense group of bushes or trees; a thick growth of shrubs
Example
The rabbit disappeared into the thicket.
C2 noun /ˈbuːt.leɪs/

Boot-lace

Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
C2 noun/verb /ˈmæn.ə.kəl/

manacle

Meaning
A metal shackle for fastening someone's hands or ankles; also to restrain with such shackles.
Example
The prisoner was manacled before being taken to court.
B1 verb /bɜːrst/

burst

Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
B2 noun /ˌɡriːn ˈen.ə.dʒi/

green energy

Meaning
Energy derived from renewable sources that have minimal environmental impact.
Example
Green energy reduces environmental harm.
C2 adjective /sɛnˈtrɪfjʊɡəl/

centrifugal

Meaning
Moving or tending to move away from a center.
Example
The centrifugal force pushes the clothes to the sides of the washing machine.
C1 adjective /ˈskrʌmpʃəs/

scrumptious

Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
B2 verb /ˈɡæmbəl/

gamble

Meaning
to bet money on games of chance; to take a risky action
Example
He decided to gamble his savings on the stock market.
C1 verb /tʃæsˈtaɪz/

chastise

Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
B2 noun /ˈes.əns/

Essence

Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
C1 noun /ˈmɔːrtər/

mortar

Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
A1 noun /frɛnd/

friend

Meaning
a person with whom one has a bond of mutual affection
Example
He is my best friend.
A2 noun /ˈsɪk.nəs/

Sickness

Meaning
the state of being ill; a disease or illness
Example
She took time off work due to sickness.
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.
B2 verb /ˌoʊvərˈpeɪ/

overpay

Meaning
To pay more than is necessary or reasonable.
Example
She realized she had overpaid for the concert tickets.
C1 noun /ˈtwɪstər/

twister

Meaning
A tornado or something that twists; also refers to a challenging tongue twister.
Example
The twister destroyed several houses in the village.
A1 adjective /dʒʌst/

Just

Meaning
fair; righteous; morally right; appropriate
Example
The judge made a just decision in the case.
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
B2 adjective /ˈspaɪ.rəl/

Spiral

Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
A2 adjective /əˈveɪləbl/

available

Meaning
Able to be used, obtained, or accessed.
Example
The product is now available in all stores.