fail-safe
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C1 adjective /ˈfeɪl.seɪf/

fail-safe

Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
B2 noun /tʃɔːr/

chore

Meaning
A routine task, especially a household duty.
Example
Washing the dishes is my least favorite chore.
C2 adjective /ˈɪnfəntaɪl/

infantile

Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
A2 adverb /ˈnaʊədeɪz/

nowadays

Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
B2 noun /ˈɑp.tə.mɪst/

Optimist

Meaning
a person who tends to be hopeful and confident about the future; someone who sees the good side of things
Example
As an optimist, she always believed things would improve.
B1 adjective /pleɪn/

plain

Meaning
simple or clear, without decoration or complexity
Example
She wore a plain white dress to the ceremony.
A1 verb /traɪ/

try

Meaning
to make an effort to do something; to attempt
Example
I will try my best to help you.
C1 noun /ˈmædʒɪstreɪt/

magistrate

Meaning
A civil officer who administers the law, often with limited judicial authority.
Example
The magistrate presided over the minor criminal case.
A2 verb /ˈmæri/

marry

Meaning
to become husband and wife; to perform a wedding ceremony
Example
They plan to marry next summer.
A1 verb /θæŋk/

Thank

Meaning
to express gratitude or appreciation to someone
Example
She thanked her teacher for the extra help.
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.
A2 adverb /fɔːrˈɛvər/

forever

Meaning
For all future time; for always.
Example
She promised to love him forever.
B1 noun, verb /strɪŋ/

string

Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
A2 verb /ˈɔːfər/

offer

Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
C1 noun /ˈflæn.əl/

Flannel

Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
B1 noun /ˈpɔːrʃən/

portion

Meaning
A part or share of something.
Example
She ate only a small portion of the meal.
B2 adjective /ˈwʌrisəm/

Worrisome

Meaning
causing anxiety or concern; troubling
Example
The student's declining grades were worrisome to his parents.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
C2 noun /dɪˈbɔːtʃəri/

debauchery

Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
B1 noun /læd/

lad

Meaning
a boy or young man; a male youth
Example
The young lad helped his father in the shop.
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
C1 verb /ˈsʌkɪŋ/

sucking

Meaning
Drawing in a liquid, air, or other substance through the mouth or a tube by creating a vacuum; also used figuratively for something unpleasant or ineffective
Example
The baby is sucking on a pacifier.
C1 noun /ˈkɒrənər/

coroner

Meaning
an official who investigates sudden, violent, or suspicious deaths
Example
The coroner determined the cause of death was natural.
B2 noun /wæks/

Wax

Meaning
a solid substance that melts when heated, used for making candles and polishing
Example
She used candle wax to seal the old letter.
B1 verb /ˈsʌfər/

suffer

Meaning
to experience pain, distress, or hardship
Example
She suffered from a severe headache all day.
B2 adjective /ˌʌnˈnoʊ.tɪst/

Unnoticed

Meaning
not seen or observed; ignored
Example
His hard work went unnoticed by his manager.
C1 adjective /ˌnɒnˈvɜː.bəl/

non-verbal

Meaning
Not involving or using words or speech; communicated through gestures, body language, or facial expressions.
Example
Non-verbal cues are just as important as words.
C2 noun /hɜːrˈbɛəriəm/

herbarium

Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
B2 noun /ˈeɪlmənt/

ailment

Meaning
An illness, typically a minor one.
Example
He went to the doctor for a minor stomach ailment.
C1 adverb/noun /ˌhɪərˈæftər/

hereafter

Meaning
from now on; in the future; also refers to life after death.
Example
Hereafter, all reports must be submitted electronically.
C1 verb /əˈprɛs/

oppress

Meaning
to keep someone down by harsh and unfair use of authority; to suppress
Example
The dictator oppressed the people for decades.
C2 verb /ɜːrk/

irk

Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
B1 noun /sleɪv/

slave

Meaning
a person who is the legal property of another and is forced to work for them
Example
The abolitionist movement fought for the rights of slaves.
B2 noun /ˌɪnəˈbɪləti/

inability

Meaning
the state of being unable to do something
Example
His inability to make decisions affected his career.
B2 verb /ˈmɒdənaɪz/

modernize

Meaning
To adapt something to modern needs or styles; to update or improve.
Example
The company plans to modernize its IT infrastructure.
B2 noun/verb /swɑːmp/

swamp

Meaning
An area of low-lying, uncultivated ground where water collects; a bog or marsh.
Example
The village was built near a swamp.
B2 adjective ˌpaɪəˈnɪə.rɪŋ

pioneering

Meaning
Involving new ideas or methods; innovative and original.
Example
Pioneering efforts often lead to success.
C2 verb /ˈpʌkər/

pucker

Meaning
to tighten or contract into small folds or wrinkles
Example
She puckered her lips before kissing the child.
B2 noun /ˈpɑːs.tʃər/

Posture

Meaning
the position in which someone holds their body; a particular attitude or approach
Example
Good posture is important for preventing back pain.
B2 noun /saɪˈkɒlədʒi/

psychology

Meaning
the scientific study of the mind and behavior
Example
Psychology helps us understand how people think and act.
C1 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C2 noun /ˈɪd.i.ə.si/

Idiocy

Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
B1 verb /ˈrɛdʒɪstər/

register

Meaning
To enter or record officially on a list or in a book.
Example
You must register for the conference before the deadline.
B1 adjective /ˈɡreɪt.fəl/

Grateful

Meaning
thankful; appreciative;
Example
I am grateful for your kindness and support.
B2 noun /ˈhænd.fʊl/

Handful

Meaning
a quantity that fills the hand; a small number or amount; something difficult to control
Example
She grabbed a handful of nuts from the bowl before heading out for her walk.
B1 noun ˈtʃɑː.dʒɪŋ

charging

Meaning
The process of supplying electrical energy to recharge a battery or power source.
Example
Electric vehicle charging stations are increasing in cities.
B2 noun /ˈkæs.ər.oʊl bɑːks/

Casserole box

Meaning
a covered dish used for cooking and serving food, especially baked dishes
Example
The casserole box kept the food warm during the dinner party.
C1 noun /ˈneb.jʊ.lə/

nebula

Meaning
A cloud of gas and dust in outer space, sometimes visible in the night sky.
Example
The Orion Nebula is one of the brightest in the sky.
B1 noun /ruːt/

route

Meaning
a way or course taken to get from one place to another
Example
The best route to the airport is through the highway.
B1 noun /ˈvaɪtəmɪn/

vitamin

Meaning
a natural substance needed by the body to stay healthy
Example
Fruits and vegetables are rich sources of vitamins.
C2 adjective /ˈsiːkwənt/

sequent

Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
B2 verb /ɪnˈrɪtʃ/

enrich

Meaning
To improve or enhance the quality or value of something.
Example
Space exploration enriches human understanding.
B1 verb rɪˈdjuːst

reduced

Meaning
Make smaller or less in amount, degree, or size.
Example
Singapore has reduced plastic usage significantly.
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
C1 verb /ɪˈroʊd/

erode

Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
C1 adjective /pəˈleɪ.ʃəl/

palatial

Meaning
resembling a palace in being spacious and splendid
Example
They stayed in a palatial hotel during their vacation.
C2 verb /kənˈvɑːlv/

convolve

Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
B1 noun, adjective, gerund /ˈæk.tɪŋ/

acting

Meaning
the art or profession of performing in plays, films, or television; temporary performance of duties; the process of performing an action
Example
She is studying acting to become a professional actress.
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
B1 noun /saɪt/

site

Meaning
a location or place, often used for a specific purpose, such as a construction site or a website
Example
The construction site is ready for the next phase of the project.
C2 adjective /ˈtrɛntʃənt/

trenchant

Meaning
expressed strongly, effectively, and clearly; sharp or cutting in style or expression
Example
Her trenchant criticism of the policy left no room for misunderstanding.
A2 adjective /ˈpriː.vi.əs/

Previous

Meaning
occurring before in time or order; earlier; former
Example
I reviewed the previous chapter before starting the new one.
C2 noun /prɔːŋ/

prong

Meaning
a projecting pointed part, such as one of the pointed ends of a fork
Example
The fork has four prongs.
B2 noun /ˌɛkskləˈmeɪʃən/

exclamation

Meaning
A sudden cry or remark expressing strong emotion or surprise.
Example
She let out an exclamation of joy when she heard the news.
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
C1 adjective /ˈvɑːlətl/

volatile

Meaning
likely to change rapidly and unpredictably, especially for the worse
Example
The stock market is extremely volatile these days.
B2 adjective /lʌɡˈʒʊəriəs/

luxurious

Meaning
extremely comfortable, elegant, or enjoyable, often involving great expense
Example
They stayed in a luxurious hotel during their vacation.
C2 adjective /eɪˈsɛptɪk/

aseptic

Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
C1 noun /ˌpɜː.mɪˈæbɪlɪti/

permeability

Meaning
The quality or state of being permeable; allowing liquids or gases to pass through.
Example
The permeability of the soil affects water retention.
A2 noun /mjuːˈzɪʃən/

musician

Meaning
a person who plays a musical instrument or is musically talented
Example
He is a talented musician.
B2 adjective /kəmˈpæʃənət/

Compassionate

Meaning
feeling or showing sympathy and concern for others who are suffering
Example
The compassionate nurse took extra time to comfort the worried patients.
B2 adjective /skeərs/

Scarce

Meaning
rare; not easily found; existing in small quantities
Example
Fresh water is becoming increasingly scarce in desert regions.
C2 adjective /ɪnˈkɒŋɡruənt/

incongruent

Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
C1 noun /ˈfɛlən/

felon

Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
A1 noun /ˈpeɪ.pər/

paper

Meaning
A material manufactured in thin sheets from the pulp of wood or other fibrous substances, used for writing or printing on.
Example
The student submitted his research paper on artificial intelligence.
C1 verb /ʃɪə/

shear

Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
C1 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

Meaning
Based on personal accounts rather than facts or research; characterized by anecdotes.
Example
The book was filled with anecdotal evidence rather than data.
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
B2 adjective /ˈmaɪti/

mighty

Meaning
having great power or strength; very strong or impressive
Example
The mighty river flows through the heart of the country.
A1 noun /wɜːrld/

world

Meaning
the earth, together with all of its countries and people
Example
The world is becoming more interconnected every day.
B2 verb /dɪsˈtʃɑːrdʒ/

discharge

Meaning
to release or dismiss from duty; to emit or give off
Example
The hospital will discharge the patient tomorrow.
C2 noun /ˈdoʊtɪdʒ/

dotage

Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
C1 noun /ˈkærət/

carat

Meaning
a unit of weight for precious stones, equal to 200 milligrams
Example
She received a two-carat diamond ring for her engagement.
C2 noun ˈɒpjʊləns

opulence

Meaning
Great wealth or luxuriousness.
Example
The opulence of the mansion was evident in its ornate furnishings.
C2 noun /ˈɑːriə/

aria

Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
C2 adjective /ˌpriːpəˈzɛsɪŋ/

prepossessing

Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
A1 noun /ˈɡrændˌfɑːðər/

grandfather

Meaning
the father of one's father or mother
Example
My grandfather tells us stories every evening.
C2 noun /spjuːm/

spume

Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
C2 verb /prɪˈværɪkeɪt/

prevaricate

Meaning
to avoid telling the truth by not giving a direct answer
Example
The politician began to prevaricate when asked about the scandal.
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.
C2 noun /ˈplætɪtjuːd/

platitude

Meaning
a remark or statement that is overused and unoriginal
Example
He kept repeating the same platitudes during the speech.
C2 verb /ˈɡʌzəl/

guzzle

Meaning
to drink greedily or excessively
Example
He guzzled three cans of soda in a few minutes.
B1 adjective /ˈɪnəsənt/

Innocent

Meaning
free from guilt or sin; pure; harmless; naive
Example
The innocent child had no idea that her parents were planning a surprise party.
A2 noun /hɑːrt/

Heart

Meaning
the organ in the chest that pumps blood through the body; the center of emotions and feelings
Example
The doctor listened to my heart with a stethoscope.
C2 adjective /ɔːrˈθɑːɡənl/

orthogonal

Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
B2 noun /ˈlænd.leɪ.di/

Landlady

Meaning
a woman who rents out land, a building, or accommodation; a female property owner
Example
The friendly landlady provided fresh towels and showed us around the apartment.
C2 adjective /njuːˈtoʊniən/

newtonian

Meaning
relating to the laws of motion and gravitation formulated by Sir Isaac Newton
Example
The scientist explained the Newtonian laws of motion.
B2 noun /red liːf/

Red leaf

Meaning
red-colored leafy vegetable; amaranth leaves used as greens
Example
Red leaf is rich in iron and is commonly eaten in Bengali households.
C2 noun /ˈrɛkluːsəri/

reclusory

Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
A2 noun /ˈkʌm.pə.ni/

company

Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
B1 noun /ˈɑːrtwɜːrk/

artwork

Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
C1 verb /ˈlɔːndər/

launder

Meaning
to wash clothes, linens, etc.; or to conceal the origins of money obtained illegally
Example
She laundered all the dirty clothes on Sunday.
A2 verb /fiːd/

feed

Meaning
to give food to a person or animal
Example
She feeds the birds every morning.
A1 noun /breɪk/

break

Meaning
A pause in work or during an activity or event.
Example
Short breaks refresh your mind.
C1 noun /ˈprɛsɪdəns/ or /prɪˈsiːdəns/

precedence

Meaning
the condition of being considered more important than someone or something else; priority
Example
Safety takes precedence over speed in this factory.
B2 noun /ˈbɛərɪŋ/

bearing

Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
C1 noun /meɪn/

mane

Meaning
the long hair growing on the neck of a horse, lion, or other animal
Example
The lion shook its thick mane proudly.
C1 noun /diːˈkrɪp.ʃən/

decryption

Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
C1 adjective /ˈbleɪmləs/

blameless

Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
B2 noun /pəˈsjuːt/

pursuit

Meaning
the act of chasing or trying to achieve something
Example
He dedicated his life to the pursuit of happiness.
C2 noun /ˈkɒntrətɑː̃/

contretemps

Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
B1 noun ˌɪndɪˈpendəns

independence

Meaning
The fact or state of being independent; freedom from outside control; not being subject to another's authority.
Example
Independence inspired the movement.
C1 noun /ˈɛstjʊəri/

estuary

Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
C1 adjective /kənˈspɪkjuəs/

conspicuous

Meaning
Easily noticeable; attracting attention due to being unusual or prominent.
Example
Her red dress made her conspicuous at the party.
C1 adjective /ˌhɛtərəˈʤiːniəs/

heterogeneous

Meaning
consisting of different kinds or diverse elements
Example
The classroom was filled with a heterogeneous group of students.
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
C2 adjective /ˈnɒti/

knotty

Meaning
Complicated, difficult to solve or full of knots.
Example
He faced a knotty legal issue.
B2 noun /ɔːˈræŋ.ʊˌtæŋ/

Orang-Outang

Meaning
a large arboreal ape with long reddish hair, long arms, and hooked hands and feet, native to Borneo and Sumatra
Example
The orangutan swings gracefully through the forest canopy.