exponential
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C1 adjective /ˌekspəˈnenʃəl/

exponential

exponential
Meaning
(of an increase) becoming more and more rapid.
Example
The exponential growth of e-commerce is reshaping the retail industry.
The startup experienced exponential growth in its user base over the past year.
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.
C2 adjective /ˈmɒnɪtəri/

monitory

Meaning
Giving a warning or cautionary advice; serving to warn.
Example
His monitory tone made everyone cautious about their next move.
C1 adjective /ˌwɛl tə ˈduː/

well-to-do

Meaning
Prosperous, wealthy, or financially comfortable.
Example
They belong to a well-to-do family in the city.
B1 noun /kræb/

Crab

Meaning
a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers
Example
The crab scuttled sideways across the sand.
A2 noun /ˈmoʊtər/

motor

Meaning
a machine that produces motion or power to make something work
Example
The car’s motor stopped suddenly.
B2 adjective /dɪˈpɛndəbl/

dependable

Meaning
able to be trusted or relied on; consistently reliable
Example
She is a dependable colleague who always meets deadlines.
C1 noun /ˌvɜːbəlɪˈzeɪʃən/

verbalization

Meaning
The action of expressing something in words.
Example
The verbalization of his thoughts was clear and direct.
C1 adjective /fəˈroʊ.ʃəs/

Ferocious

Meaning
savagely fierce, cruel, or violent; extremely aggressive
Example
The ferocious storm destroyed many houses in the coastal area.
C1 noun /ˈreɪ.vən/

Raven

Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
B1 adjective /ˈkoʊzi/

cozy

Meaning
giving a feeling of comfort, warmth, and relaxation
Example
We sat in a cozy little café on a rainy day.
C1 adverb /ˌðɛrəˈbaʊt/

thereabout

Meaning
Approximately or around that place, amount, or time.
Example
The repairs will cost five hundred dollars or thereabout.
C1 verb /ˈɡlædən/

gladden

Meaning
to make someone happy or bring joy
Example
The news of her recovery gladdened everyone.
B2 noun /ˈdef.ə.sɪt/

Deficit

Meaning
the amount by which something is too small; a shortfall or lack
Example
The government faced a budget deficit of millions due to increased spending.
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

ephemeral
Meaning
Lasting for a very short time, transient
Example
The beauty of cherry blossoms is ephemeral.
Fame in the world of pop culture is often ephemeral.
B2 noun, verb /ræŋks/

ranks

Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
C1 verb /pɜːrdʒ/

purge

Meaning
To remove unwanted feelings, people, or things; to cleanse or purify.
Example
The new leader promised to purge corruption from the government.
B1 adjective /ˈaʊtər/

outer

Meaning
situated on or toward the outside; external
Example
The outer layer of the jacket is waterproof.
C1 verb /dɪˈmoʊt/

demote

Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
C2 verb /ɪmˈpɛnd/

impend

Meaning
to be about to happen; to loom threateningly
Example
Dark clouds suggested that a storm was impeding.
C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

Meaning
Having different forms or shapes, especially in the same species or organism.
Example
Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.
A1 preposition/adverb/conjunction /bɪˈfɔːr/

before

Meaning
At an earlier time; in front of in order or place.
Example
She arrived before the meeting started.
C1 noun /səˈbraɪəti/

sobriety

Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
B2 noun /nʌn/

Nun

Meaning
a woman who has taken vows in a religious order and lives in a convent
Example
The nun taught at the local Catholic school.
A1 noun /'æn.ɪ.məl/

Animal

Meaning
a living creature that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli
Example
The zoo has many different animals from around the world.
B2 verb /ˈwaɪdən/

widen

Meaning
to make or become wider or broader
Example
They plan to widen the road next year.
C1 noun /ˈbeɪsbɔːrd/

baseboard

Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
C2 adjective /rɪˈmɪs/

remiss

Meaning
Negligent in performing a duty or responsibility.
Example
The manager was remiss in not checking the financial reports carefully.
C1 verb /bɪˈmoʊn/

bemoan

Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
B2 verb /ɪmˈbɛd/

embed

Meaning
to fix something firmly into a surrounding mass or context
Example
The journalist was embedded with the military unit.
C1 adjective /ˈlɔː.fəl/

Lawful

Meaning
legal; legitimate; valid; just
Example
The judge confirmed that their actions were lawful and proper.
C1 noun /pɛnˈtæθlɒn/

pentathlon

Meaning
An athletic contest featuring five different events.
Example
She trained hard to compete in the modern pentathlon.
C2 noun /əˈklɪvɪti/

acclivity

Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
C2 noun /ˈdʌlərd/

dullard

Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
C1 noun /ɪkˈstɔːr.ʃən/

extortion

Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
C1 noun /əˈnɒməli/

anomaly

Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
B1 adverb /ˈpɜːfɪktli/

perfectly

Meaning
in a perfect manner; without flaws
Example
She performed the task perfectly.
C1 verb /əˈseɪl/

assail

Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
B2 adjective /ˌfɔːrθˈkʌmɪŋ/

forthcoming

Meaning
about to happen soon; willing to share information
Example
The company announced its forthcoming product launch.
C2 noun /sɪˈrɒkoʊ/

sirocco

Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
B2 noun /baɪˈɒɡrəfi/

Biography

Meaning
an account of someone's life written by someone else; the story of a person's life
Example
I'm reading a fascinating biography of Albert Einstein.
B2 noun /ˈsʌ.plɪ.mənt/

Supplement

Meaning
something that completes or adds to something else; a dietary product
Example
She takes vitamin supplements to maintain her health.
C2 adjective /ɪˈfɛktʃuəl/

effectual

Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
C2 adjective /pʌŋkˈtɪliəs/

punctilious

Meaning
Showing great attention to detail or correct behavior.
Example
She was punctilious in her attention to etiquette.
A1 adjective /ˈfeɪ.məs/

famous

Meaning
Known about by many people; renowned.
Example
This area is famous for its unique heritage.
B2 noun /ˈkʌs.tə.mər rɪˈten.ʃən/

Customer Retention

customer retention
Meaning
The ability of a company or product to retain its customers over some specified period.
Example
High customer retention increases business sustainability.
Excellent service is key to improving customer retention.
B2 adjective /ɪmˈprɒp.ər/

Improper

Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
C2 noun /ˌhæŋ.ki ˈpæŋ.ki/

Hanky-Panky

Meaning
dishonest or suspicious activity; unethical behavior; trickery or deception
Example
The audit revealed some hanky-panky in the company's financial records.
C1 noun /heɪz/

Haze

Meaning
a slight obscuration of the lower atmosphere, typically caused by fine suspended particles; confusion
Example
The morning haze lifted gradually as the sun rose higher in the sky.
C1 adjective /ˈnɑːkʃəs/

noxious

Meaning
harmful, poisonous, or very unpleasant
Example
The factory released noxious fumes into the air.
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
C2 noun /ˌɔːrnɪˈθɒlədʒɪst/

ornithologist

Meaning
a scientist who studies birds
Example
The ornithologist spent years studying migratory birds.
C1 verb /sluː/

slew

Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
C1 noun /ˈkʌl.ən.dər/

Colander

Meaning
a bowl-shaped kitchen utensil with holes in it used for draining food such as pasta or rice
Example
She drained the pasta using a colander.
B2 adjective /dɪˈfektɪv/

Defective

Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
B2 adjective /hɪˈspænɪk/

hispanic

Meaning
relating to Spain or Spanish-speaking countries, especially Latin America.
Example
She studies Hispanic culture and language.
C1 noun /ˈænvɪl/

anvil

Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
C1 verb /ˈskʌr.i/

scurry

Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
A1 noun /ˈwiːkˌɛnd/

weekend

Meaning
the end of the week, typically regarded as Saturday and Sunday
Example
They are planning a trip for the weekend.
B2 verb /ˈreɪn.dʒɪŋ/

ranging

Meaning
Extending or varying between limits.
Example
The temperatures are ranging from 15 to 30 degrees this week.
B1 verb /rɪˈspɒnd/

respond

Meaning
to give an answer or reply; to react to something
Example
Please respond to my email as soon as possible.
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
C2 noun /ˈɡændər/

Gander

Meaning
male goose
Example
The gander protected his family from the approaching dog.
C1 adjective /taɪˈtænɪk/

titanic

Meaning
Of exceptional strength, size, or power.
Example
The company made titanic efforts to expand into new markets.
A1 noun /maʊs/

Mouse

Meaning
a small rodent with a long tail and typically gray or brown fur
Example
The little mouse hid behind the cabinet.
C1 adjective + noun ˌpaɪəˈnɪərɪŋ ˈmɪʃən

pioneering mission

Meaning
A groundbreaking or innovative undertaking that leads the way in a particular field.
Example
Artemis is a pioneering mission in space exploration.
B2 verb əbˈzɜːrvd

observed

Meaning
To celebrate or keep a religious or other festival.
Example
The day is observed annually to raise awareness.
B1 noun /ˈslɪpər/

Slipper

Meaning
light, comfortable shoe without a back, worn indoors
Example
She put on her slippers before walking around the house.
C2 noun /ˈkwaɪəˌtuːd/

quietude

Meaning
A state of stillness and tranquility.
Example
She enjoys the quietude of the countryside.
B2 adjective /kəmˈpærətɪv/

Comparative

Meaning
involving comparison between two or more things; relative
Example
The study showed comparative results between different teaching methods.
C1 noun /ˈhæv.ək/

Havoc

Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
A1 verb /θɪŋk/

think

Meaning
to have thoughts or ideas; to use your mind to consider something
Example
I think this is a good idea.
B1 adjective /ədˈvænst/

advanced

Meaning
highly developed or complex
Example
He is studying an advanced level of mathematics.
C1 noun /ɡroʊv/

grove

Meaning
A small group of trees growing close together.
Example
They walked through the orange grove.
B1 adjective /ɪkˈstrɔːr.dɪ.nər.i/

Extraordinary

Meaning
very unusual; remarkable; going beyond what is normal or expected
Example
The magician's performance was extraordinary and left everyone amazed.
B2 adjective /ˌʌnəˈfɪʃ.əl/

Unofficial

Meaning
not officially authorized or confirmed; informal
Example
The unofficial results showed a close race.
B1 adjective /ʌnˈkaɪnd/

Unkind

Meaning
cruel; not nice or caring toward others
Example
It was unkind of him to make fun of her appearance.
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
B2 noun /kənˈkʌʃən/

concussion

Meaning
A temporary unconsciousness or shock caused by a blow to the head.
Example
He suffered a concussion after falling from the bike.
C1 noun /ˈkɒnsjʊlət/

consulate

Meaning
the building or office where a consul works
Example
He went to the consulate to renew his visa.
C2 noun /ˈiːɡlət/

eaglet

Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
A2 adjective/adverb /ˈɒnˌlaɪn/

online

Meaning
connected to or available through the internet
Example
I prefer shopping online rather than going to stores.
B2 verb /səbˈskraɪb/

subscribe

Meaning
to pay to receive a service regularly; to agree with or support something
Example
I subscribe to several online magazines.
C2 noun /wiːl/

weal

Meaning
A raised mark on the skin left after a blow; or general well-being and prosperity.
Example
The charity worked for the common weal of the community.
C2 noun /leɪð/

lathe

Meaning
A machine for shaping wood, metal, or other material by rotating it against a cutting tool.
Example
The carpenter used a lathe to shape the wooden bowl.
C2 noun ˈfaɪ.təʊˌnjuː.tri.ənt

phytonutrient

phytonutrient
Meaning
Chemical compounds produced by plants that are beneficial to human health but not essential nutrients.
Example
Broccoli is rich in phytonutrients that enhance immunity.
Eating a colourful array of vegetables ensures you get a wide variety of phytonutrients in your diet.
A1 verb /fərˈɡet/

forget

Meaning
to be unable to remember something; to fail to bring something to mind
Example
Don't forget to lock the door when you leave.
C2 noun /ˈzuːəʊˌplæŋktən/

zooplankton

zooplankton
Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
Zooplankton are a crucial part of the ocean food web, serving as a primary food source for many marine creatures.
B2 adjective /kənˈsek.jə.tɪv/

Consecutive

Meaning
following each other in uninterrupted succession; sequential
Example
She won three consecutive matches in the tournament.
A2 noun /biː/

Bee

Meaning
a flying insect that produces honey and can sting
Example
The bee collected nectar from the flower.
C2 adjective /ˈprɪɡɪʃ/

priggish

Meaning
self-righteously moralistic and superior
Example
He came across as priggish when correcting everyone's manners.
B2 adjective /rɪˈspek.tə.bəl/

Respectable

Meaning
worthy of respect; having good reputation; decent
Example
He comes from a respectable family in the community.
C2 verb /ˈdʒaɪreɪt/

gyrate

Meaning
to move or spin quickly in circles
Example
The dancer gyrated wildly to the rhythm of the drums.
C2 noun /ˌluːkjʊˈbreɪʃən/

lucubration

Meaning
study or meditation, especially at night
Example
His novel was the result of long lucubration.
C1 noun /ˈpaɪ.ə.ti/

Piety

Meaning
the quality of being religious or reverent; devout religious belief and practice
Example
His piety was evident in his daily prayers.
C2 verb /ˈbɒtənaɪz/

botanize

Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
C2 verb /bɪˈwɪtʃ/

bewitch

Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
B2 noun /aɪˈdiː/

id

Meaning
identification; a document or number used to prove who someone is
Example
Please show your ID at the entrance.
C1 noun /ˈstændˌstɪl/

standstill

Meaning
a situation in which all movement or activity stops
Example
The traffic came to a standstill after the accident.
C1 verb /ˈkæp.saɪz/

capsize

Meaning
to overturn in the water
Example
The small fishing boat capsized during the storm.
A2 noun /paɪ/

Pie

Meaning
a baked dish of fruit, meat, or vegetables, typically with a top and base of pastry
Example
My grandmother makes the best apple pie in town.
C1 noun ˈklaɪmət ˌrɛɡjʊˈleɪʃən

climate regulation

climate regulation
Meaning
The moderation of climate conditions through natural or artificial processes.
Example
Forests help in climate regulation by stabilizing local temperatures.
Wetlands are essential for climate regulation as they absorb large amounts of carbon.
C1 noun /ˈhjuːbrɪs/

hubris

Meaning
excessive pride or self-confidence
Example
His hubris led to his downfall.
C1 adjective /ˌʌnbɪˈliːvɪŋ/

unbelieving

Meaning
Not willing or able to believe; skeptical or doubtful
Example
She gave him an unbelieving look when he claimed to have met a celebrity.
B2 adjective /ˌɑːrkɪˈtɛktʃərəl/

architectural

Meaning
relating to the design and style of buildings and structures
Example
The city is known for its beautiful architectural designs.
B1 adjective /slaɪt/

Slight

Meaning
small in degree; not severe or intense; slim; thin
Example
There was a slight delay in the train schedule.
B1 noun ɪnˈvɛstmənt

investment

investment
Meaning
The action or process of investing money for profit or material result.
Example
The company is looking for investment opportunities in emerging markets.
Buying a house is usually a good long-term investment.
C1 adjective /fəˈnɛtɪk/

phonetic

Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
B2 noun /ˈspəʊksmən/

spokesman

Meaning
a person who speaks on behalf of others, especially for a group or organization
Example
The spokesman addressed the crowd during the rally.
C1 noun /ˈstreɪnər/

Strainer

Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
B2 adjective /ʃɪər/

Sheer

Meaning
complete; absolute; transparent; very steep
Example
It was sheer luck that we found the place.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
C1 verb, noun /spraʊt/

sprout

Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
C1 noun /ˈmaɪkrəʊˌklaɪmæt/

microclimate

microclimate
Meaning
The climate of a small, specific area that may differ from the general climate of the surrounding region, often influenced by local factors like terrain, vegetation, or buildings.
Example
A microclimate can have a significant impact on plant growth.
The walled garden created a warm microclimate where exotic plants could thrive.
C1 adjective /səbˈdʒɛktɪv/

subjective

Meaning
based on personal feelings, tastes, or opinions rather than facts
Example
Beauty is often considered a subjective concept.
A1 noun /iːst/

east

Meaning
The direction from which the sun rises; one of the four cardinal points.
Example
The sun rises in the east.
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
C2 verb /ˈɪməleɪt/

immolate

Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
C2 adjective /ˈpɔːrtli/

portly

Meaning
Having a stout or somewhat fat body, often implying dignity or authority.
Example
The portly man entered the room with confidence.
A2 noun /ˈmoʊ.tər ˌsaɪ.kəl/

Motor Cycle

Meaning
a two-wheeled vehicle powered by an engine
Example
He rides his motorcycle to work every day.