cog
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C1 noun /kɑːɡ/

cog

Meaning
A tooth on the rim of a wheel or gear; metaphorically, a minor but necessary part of a larger system.
Example
He felt like just a small cog in a big machine.
C1 noun /nɒb/

Knob

Meaning
a rounded handle on a door or drawer; a small rounded switch on a machine
Example
He turned the brass knob to open the old wooden door.
C2 adjective /ˈmɪn.dʒi/

Mingy

Meaning
mean or stingy; unwilling to spend money
Example
He is too mingy to spend money on anything but necessities.
C2 noun /ˈbɜːrdʒɪs/

burgess

Meaning
A citizen of a town or borough with full rights of citizenship.
Example
In medieval times, a burgess had the right to vote and hold property.
C1 noun /ˌætəˈʃeɪ/

attache

Meaning
A person officially assigned to the staff of a diplomatic mission, often with a specific area of responsibility.
Example
The cultural attache organized an art exhibition in the embassy.
C2 noun /aɪˈkɒnəklæst/

iconoclast

Meaning
A person who attacks or criticizes cherished beliefs, traditions, or institutions.
Example
He was known as an iconoclast who challenged old traditions.
C2 noun /ˈpærəmʊr/

paramour

Meaning
a lover, especially an illicit one
Example
The secret paramour was finally revealed.
B2 adjective ˈstrʌktʃərəl

structural

Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
A1 determiner/pronoun/conjunction/adverb /ˈaɪðər/ or /ˈiːðər/

either

Meaning
Used to indicate a choice between two alternatives.
Example
You can either call me tonight or send me an email.
B2 noun /ˈɡaɪd.laɪn/

guideline

Meaning
a rule, instruction, or principle that provides direction
Example
The company issued new guidelines for employee safety.
C1 verb /ˈɛm.ə.neɪt/

emanate

Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
C2 noun /ˈklaɪmɪŋ fɪʃ/

Climbing-fish

Meaning
a type of fish that can climb trees and survive out of water for short periods
Example
The climbing-fish can move from one pond to another by climbing trees.
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
B2 adjective /ˌʌndɪˈsaɪdɪd/

Undecided

Meaning
not having made a decision; uncertain
Example
She was undecided about which college to attend.
B2 adjective /ʌnhaɪˈdʒiːnɪk/

Unhygienic

Meaning
not clean; lacking proper sanitation
Example
The restaurant was closed due to unhygienic conditions in the kitchen.
C1 noun /ˈɪnflʌks/

influx

Meaning
A large arrival or flow of people or things.
Example
The city experienced an influx of tourists during the festival.
B2 adjective /ˈspaɪ.rəl/

Spiral

Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
C1 verb /ˌoʊvərˈpaʊər/

overpower

Meaning
To defeat or gain control over someone or something by using greater strength or force.
Example
The soldiers managed to overpower the enemy forces.
C1 noun /ˌkæm.əˈrɑː.dɚ.i/

camaraderie

Meaning
Mutual trust and friendship among people who spend a lot of time together.
Example
The camaraderie among teammates was inspiring.
C2 noun /lækˈteɪʃən/

lactation

Meaning
the secretion of milk by the mammary glands of female mammals
Example
The doctor explained that lactation is a natural process after childbirth.
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
A1 verb /hoʊld/

hold

Meaning
to grasp or carry something; to maintain a position
Example
Please hold my hand.
B2 noun /vɪˈsɪn.ə.ti/

Vicinity

Meaning
the area near or surrounding a particular place; neighborhood
Example
There are many shops in the vicinity of the school.
B2 noun /ɡeɪz/

Gaze

Meaning
a steady intent look; to look steadily and intently in a particular direction
Example
She met his intense gaze across the crowded room and felt her heart skip a beat.
C1 noun /mɪˈlɛniəm/

millennium

Meaning
a period of one thousand years; often used to mark an anniversary
Example
The year 2000 was celebrated as the beginning of a new millennium.
C2 adjective /ˌiːvənˈhændɪd/

evenhanded

Meaning
Fair and impartial; showing no bias or favoritism.
Example
The judge was praised for her evenhanded approach to the case.
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
A2 noun /streŋθ/

Strength

Meaning
the quality or state of being physically strong; power or force
Example
Regular exercise helps build muscle strength.
C2 adjective /ɪnˈsuːsiənt/

insouciant

Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
B1 adjective /ˈrʊr.əl/

Rural

Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
B2 verb /rɪˈkruːt/

recruit

Meaning
to enlist or hire people for a job, service, or membership
Example
The company is trying to recruit more software engineers.
C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

Meaning
The action of planting trees on an area of land in order to form a forest.
Example
Afforestation helps restore biodiversity.
C1 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
A1 noun /ˈmɔːrnɪŋ/

morning

Meaning
the early part of the day, typically from sunrise until noon
Example
I like to go for a run in the morning.
A2 noun /ɡoʊl/

Goal

Meaning
the object of a person's ambition or effort; an aim or desired result; a point scored in sports
Example
Her goal is to become a doctor and help people in underserved communities.
B2 adjective /ˈhɑːrti/

Hearty

Meaning
enthusiastic and friendly; substantial and nourishing
Example
He gave us a hearty welcome when we arrived at his home.
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
C2 verb /ɪnˈvaɪərən/

environ

Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
C2 adjective /ɪkˈskɜːsɪv/

excursive

Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
C1 noun /ˌtɛknɪˈkæləti/

technicality

Meaning
A small detail of law, rule, or procedure; a minor point that affects an outcome.
Example
The case was dismissed on a technicality.
B2 noun /diˈoʊ.dər.ənt/

Deodorant

Meaning
a substance that removes or conceals unpleasant smells, especially bodily odors
Example
She applied deodorant before going to the gym to stay fresh during workout.
C1 noun ˌpriː.dɪs.pəˈzɪʃ.ən

predisposition

Meaning
A natural tendency or inclination toward a particular behavior or condition.
Example
Genetic factors can influence a person's predisposition to diseases.
B2 adjective /ˈprɒmɪsɪŋ/

promising

Meaning
showing signs of future success or potential
Example
She is a promising young scientist with great ideas.
A2 noun /ˈfɪɡ.jər/

Figure

Meaning
a number, especially one which forms part of official statistics; the shape of a human body
Example
The sales figure for this quarter exceeded all expectations.
C2 /laɪð/

lithe

Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
C2 adjective /mɛnˈdeɪʃəs/

mendacious

Meaning
not telling the truth; lying
Example
The politician was known for his mendacious statements.
C1 noun /əˈvɜːrʒən/

aversion

Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
C1 noun /maɪm/

Mime

Meaning
A performer who acts without words, using only gestures and body movements
Example
The street mime entertained the crowd with his invisible box routine.
C1 noun /ˈɡrɪd.əl/

Griddle

Meaning
a flat heating surface for cooking food, typically made of metal
Example
She cooked pancakes on the hot griddle.
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
A2 noun /ɔɪl/

Oil

Meaning
a viscous liquid derived from petroleum or plants, used for cooking or fuel
Example
Heat the oil in a pan before adding the vegetables.
C1 verb /dɪˈfɔːrm/

deform

Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
B2 noun /krɪˈeɪtə/

creator

Meaning
a person who brings something into existence
Example
He is the creator of many successful startups.
C2 noun /ˌɪnkəˈpæsəti/

incapacity

Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
C2 noun /sɑːrˈkɒfəɡəs/

sarcophagus

Meaning
A stone coffin, often decorated, used in ancient times.
Example
The museum displayed a beautifully carved sarcophagus from ancient Egypt.
C1 adjective /ˈɡɔːri/

gory

Meaning
involving or showing a lot of bloodshed and violence
Example
The movie was too gory for children.
C1 noun /mɪˈlɪʃə/

militia

Meaning
a group of ordinary people who are trained to act as soldiers in emergencies
Example
The village formed a militia to defend against attacks.
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
C1 noun /əˈliː.dʒəns/

allegiance

Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
A2 noun /ˈmaʊn.tɪn/

Mountain

Meaning
a large natural elevation of earth and rock rising above the ground
Example
They climbed the highest mountain in the region.
B2 noun /ˈɒt.ər/

Otter

Meaning
a mammal with webbed feet that lives near water and feeds on fish
Example
The playful otter swam gracefully in the river.
B1 adjective kəˈmɜː.ʃəl

commercial

Meaning
Concerned with or engaged in commerce; having profit as a primary aim rather than artistic or other value.
Example
Commercial hubs attract investments.
C1 noun /ˈveɪpəraɪzər/

vaporizer

Meaning
a device that turns a liquid into vapor, often for inhalation
Example
She used a vaporizer to ease her cough.
C2 noun /ɪˈfʌldʒəns/

effulgence

Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
C2 adjective /ˈvɔːntɪd/

vaunted

Meaning
praised or boasted about, especially excessively
Example
The vaunted technology failed to deliver the expected results.
C1 verb /ɪmˈbrɔɪdər/

embroider

Meaning
to decorate fabric with patterns using a needle and thread
Example
She embroidered flowers on the pillowcase.
A1 verb (past participle of 'bear'), adjective /bɔːrn/

born

Meaning
To come into life; brought into existence.
Example
He was born in Dhaka in 1995.
B1 noun /ˌɒpəˈreɪʃən/

operation

Meaning
an act or process of functioning or operating
Example
The hospital performed a successful operation.
C2 adjective /ˌpluːˈpɜːrfɪkt/

pluperfect

Meaning
a verb tense expressing an action completed before another past action
Example
By the time she arrived, he had finished his homework, showing the pluperfect tense.
C1 noun ˈmaɪ.krəʊˌnjuː.tri.ənts

micronutrients

Meaning
Essential nutrients required by organisms in small quantities throughout life to orchestrate a range of physiological functions.
Example
Micronutrients are essential for cellular function.
A2 noun /ˈæl.fə.bɛt/

alphabet

Meaning
a set of letters or symbols in a fixed order used to represent the sounds of a language
Example
Children usually learn the alphabet before learning to read words.
C2 verb /ˈbɒtənaɪz/

botanize

Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
B2 adjective /bəˈtænɪkəl/

botanical

Meaning
relating to plants or plant life
Example
She works at the botanical garden.
A2 noun /ˈtræfɪk/

traffic

Meaning
movement of vehicles, goods, or people
Example
There was heavy traffic on the highway this morning.
C2 noun /laɪər/

lyre

Meaning
a stringed musical instrument of ancient Greece
Example
The musician played a melody on the lyre.
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
C2 noun /ˈlæn.sɪt/

lancet

Meaning
a small, sharp, two-edged surgical knife used for making small incisions
Example
The doctor used a lancet to prick the patient’s finger for a blood test.
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
C2 noun /fiːˈkʌndɪti/

fecundity

Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
C2 noun /ˌkɒnvəˈluːʃən/

convolution

Meaning
a twist, coil, or a complex and intricate shape or arrangement
Example
The brain has many convolutions that increase its surface area.
B2 noun /ˈskɛlɪtən/

skeleton

Meaning
The internal framework of bones that supports the body of a human or animal.
Example
The teacher showed the students a human skeleton in the biology class.
B2 noun /ɑːks/

Ox

Meaning
a large strong animal used for pulling heavy loads or plowing fields
Example
The farmer used an ox to plow the field.
C2 noun /ˈlɔːŋ.ɡən/

Longan

Meaning
a small round tropical fruit with translucent white flesh and sweet taste, related to lychee
Example
Longan fruits are often eaten fresh or dried and are popular in Asian desserts.
B1 adjective /ɪkˈspɛktɪd/

expected

Meaning
Regarded as likely to happen; anticipated or predicted.
Example
The unemployment rate is expected to decline further.
C1 adjective /ˈtrænzvɜːrs/

transverse

Meaning
situated or lying across something
Example
The transverse road connects two highways.
A2 noun /ˌsɛlɪˈbreɪʃən/

celebration

Meaning
a festive event or activity to honor an occasion
Example
The city held a grand celebration on Independence Day.
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
B2 verb /kreɪv/

crave

Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
B1 noun əˈnæl.ə.sɪs

analysis

Meaning
Detailed examination and evaluation of data or information to understand its components and relationships.
Example
Data analysis is crucial for machine learning models.
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
C1 adjective /ˈsɛnʃənt/

sentient

Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
C1 noun /ˈfæs.ɪt/

facet

Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
C2 verb /ˈtæri/

tarry

Meaning
To delay or linger; to stay longer than intended.
Example
Do not tarry, or you will miss the train.
B1 verb səˈpɔːrtɪŋ

supporting

Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
C1 adjective /juːˈbɪkwɪtəs/

ubiquitous

Meaning
Existing or being everywhere at the same time.
Example
Social media has become ubiquitous among young people.
B2 adverb /ˈfɔ:rmoast/

Foremost

Meaning
most importantly; above all; in the first place
Example
First and foremost, we need to ensure safety.
A2 noun səkˈsɛs

success

Meaning
The accomplishment of an aim or purpose; the attainment of popularity or profit
Example
Success requires focus and determination.
C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
C2 noun /ˈɒkjʊlɪst/

oculist

Meaning
An old-fashioned term for an eye doctor or ophthalmologist.
Example
The village oculist was known for treating various eye diseases.
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
C1 noun /ˈvendʒəns/

Vengeance

Meaning
punishment inflicted or retribution exacted for an injury or wrong; revenge
Example
He swore to seek vengeance against those who wronged him.
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 noun /ˈɔːltər/

Altar

Meaning
a raised structure on which offerings or sacrifices are made to a deity
Example
The bride and groom stood before the altar during the ceremony.
B2 noun /fɜːr/

Fur

Meaning
thick hair covering the body of animals
Example
The cat's fur was soft and warm to touch.
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
B2 noun /ˈet.ɪ.kət/

Etiquette

Meaning
the customary code of polite behavior in society or among members of a particular profession
Example
Proper etiquette requires standing when a lady enters the room.
B2 adjective /mjuːt/

Mute

Meaning
silent; unable to speak; without sound
Example
He remained mute during the entire meeting.
C1 adjective /ʌnˈkleɪmd/

Unclaimed

Meaning
not claimed by anyone; not demanded or requested; abandoned or ownerless
Example
The unclaimed luggage was stored in the airport's lost property department.
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
C2 verb /ˈvɪvɪfaɪ/

vivify

Meaning
to give life or energy to something; to animate or enliven
Example
The teacher’s enthusiasm helped vivify the boring lecture.
C1 noun /ˈbreɪkər/

breaker

Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
B1 verb /prəˈsiːd/

proceed

Meaning
to continue with a course of action; to move forward
Example
Let's proceed with the meeting as planned.
A2 noun ˈpʌblɪk træns ˈpɔːt

public transport

Meaning
Transportation systems available for use by the general public, typically including buses, trains, and metros.
Example
Public transport systems are essential for reducing traffic congestion.
B2 verb /prəˈkleɪm/

proclaim

Meaning
to announce something publicly or officially, especially something important
Example
The president proclaimed a national day of mourning.
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
C1 adjective ˈskruː.pjʊ.ləs

scrupulous

Meaning
Diligent, thorough, and extremely attentive to details; having moral integrity; acting in strict regard for what is considered right or proper.
Example
He is known for being scrupulous in his work.
A2 preposition /ɪnˈkluːdɪŋ/

including

Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
C1 adjective /ˈfɪs.kəl/

fiscal

Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
B1 noun /ˈnaɪt.meər/

Nightmare

Meaning
a frightening or unpleasant dream; a very unpleasant experience
Example
The exam was a complete nightmare for unprepared students.
C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
C1 adverb /ˌhɛdˈfɜrst/

headfirst

Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.