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B2 adjective /ɪkˌsperɪˈmentl/

experimental

Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
C2 noun /ˈspæŋɡəl/

spangle

Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
B2 noun/verb /ræft/

raft

Meaning
A flat structure made of logs or planks tied together, used as a boat or floating platform; to travel or transport on such a structure.
Example
They built a raft to cross the river.
C2 adjective /əˈɡeɪp/ or /əˈɡɑːp/

agape

Meaning
With the mouth wide open in surprise or wonder.
Example
She stood agape at the breathtaking view.
B2 noun /ˈmeɪər/

mayor

Meaning
The elected head of a city, town, or municipality.
Example
The mayor announced a new policy to improve public transport.
C2 adjective /ˈvɜːrnəl/

vernal

Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
C1 noun /ˈpɛdɪɡriː/

pedigree

Meaning
the recorded ancestry or lineage of a person, family, or animal; the history or origin of something
Example
The dog has a pedigree that traces back several generations.
C1 adjective /ˌpæθəˈdʒɛnɪk/

pathogenic

Meaning
Capable of causing disease.
Example
Some bacteria are harmless, while others are highly pathogenic.
C1 verb /diːˈfɒrɪst/

deforest

Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
C1 noun /ˈbʌrə, ˈbʊrə/

borough

Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
C1 verb /ˈpleɪdʒəraɪz/

plagiarize

Meaning
to take someone else's work or ideas and present them as your own
Example
He was warned not to plagiarize his friend's essay.
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.
C1 adjective /ˈvɛdʒɪtətɪv/

vegetative

Meaning
relating to growth or the basic processes of life, often without conscious thought or activity
Example
The patient remained in a vegetative state after the accident.
B1 noun /kəˈnuː/

Canoe

Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
C1 noun/adjective /ɪˈliːtɪst/

elitist

Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
C1 verb /əˈkrɛdɪt/

accredit

Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
C2 noun /ˈhænd ˌrɪŋɪŋ/

hand-wringing

Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
C2 noun /prəˈlɪksɪti/

prolixity

Meaning
the quality of being tediously wordy and long
Example
The book’s prolixity made it difficult to read in one sitting.
B2 noun /fiːst/

Feast

Meaning
a large meal, typically one in celebration of something; an annual religious celebration
Example
The wedding feast included traditional dishes from both families' cultures.
B1 verb /preɪ/

pray

Meaning
to speak to God or a deity; to hope earnestly
Example
Many people pray for peace in the world.
C2 noun /rɪˈvaɪlər/

reviler

Meaning
a person who criticizes or insults others abusively
Example
He was known as a reviler of all who opposed him.
A1 verb /meɪk/

make

Meaning
to create, produce, or construct something
Example
I make coffee every morning.
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.
A2 pronoun /ɪtˈsɛlf/

itself

Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
B1 noun /rɪˈkwaɪə(r)mənt/

requirement

Meaning
something that is necessary or demanded
Example
The job has specific educational requirements.
C1 noun /ˈhed.weɪ/

Headway

Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
B2 verb /dɪˈprɛs/

depress

Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
A1 preposition /ɪn/

in

Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
B1 adjective /ˈtʃaɪl.dɪʃ/

Childish

Meaning
immature and silly; behaving in a way that is typical of a child but inappropriate for an adult
Example
His childish behavior during the meeting was quite embarrassing.
B2 noun /ˈproʊtəˌtaɪp/

prototype

Meaning
The first model or version of something, used as a sample for testing or improvement.
Example
The company built a prototype of the new smartphone before mass production.
B2 noun /tʃɔːr/

chore

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

august

Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
C1 noun /ˌkɒn.əˈsɜːr/

connoisseur

Meaning
an expert judge in matters of taste, especially in food, art, or wine
Example
She is a true connoisseur of fine art.
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
B2 noun, verb /rɪər/

rear

Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
C1 noun /daɪˈvɜː.ʃən/

Diversion

Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
C1 adjective /ˈsiː.naɪl/

senile

Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
C1 noun /ˈiːdɪkt/

edict

Meaning
An official order, proclamation, or decree issued by an authority.
Example
The king issued an edict banning smoking in public places.
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
C1 adjective /ˈswoʊlən/

swollen

Meaning
Enlarged or puffed up, usually due to injury, inflammation, or fluid accumulation
Example
Her ankle was swollen after she twisted it during the hike.
C2 adjective /ˈhɛtərəˌdɒks/

heterodox

Meaning
not conforming with accepted or orthodox standards or beliefs
Example
The professor was known for his heterodox views on religion.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
C2 noun /ˈʌm.brə/

Umbra

Meaning
the fully shaded inner region of a shadow cast by an opaque object; the dark center of a sunspot
Example
During the eclipse, we stood in the moon's umbra.
A2 noun /fæt/

Fat

Meaning
a natural oily substance occurring in animal bodies; lipid used in cooking
Example
Too much fat in your diet can be unhealthy.
B2 adjective /ˌsen.tɪˈmen.təl/

Sentimental

Meaning
having tender feelings; being emotional about memories or experiences
Example
She became sentimental when looking at old family photographs.
B2 verb /ˈrɛnəˌveɪt/

renovate

Meaning
to restore something old to a good state or to improve it
Example
They decided to renovate the old house before moving in.
B2 adjective /dɪˈzæs.trəs/

Disastrous

Meaning
extremely bad or unsuccessful; causing great damage
Example
The hurricane had disastrous effects on the city.
A2 noun /ɡəˈrɑːʒ/

Garage

Meaning
a building or space for housing a motor vehicle; a commercial establishment for repairing motor vehicles
Example
He parked his car in the garage to protect it from the hailstorm.
C1 noun /ˈwɪzərdri/

wizardry

Meaning
The art or practice of magic; great skill or expertise in something.
Example
The programmer's wizardry amazed everyone in the room.
B2 noun /ˈsaɪd.laɪn/

sideline

Meaning
An activity done in addition to one's main job or area of work.
Example
The sideline discussions led to mutual understanding.
B1 noun /ˈdʒɛntəlmən/

gentleman

Meaning
a man who is polite, courteous, and honorable
Example
He opened the door for her like a true gentleman.
C2 adjective /ɪnˈtɛmpərət/

intemperate

Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
B1 noun /ˈmʌðər ˈlæŋɡwɪdʒ/

mother language

Meaning
the first language a person learns from childhood; native language
Example
Children learn best when they are taught in their mother language.
C1 adjective liːst prɪˈpeərd

least prepared

Meaning
Having the minimum level of readiness or equipment to handle a situation.
Example
Bangladesh is among the least prepared for climate adaptation.
B1 noun /ˈkɪləɡræm/

kilogram

Meaning
the base unit of mass in the metric system equal to 1,000 grams
Example
The bag of rice weighs five kilograms.
B1 noun /ˌdes.tɪˈneɪ.ʃən/

Destination

Meaning
the place to which someone or something is going; the ultimate purpose or end point
Example
Paris was their dream destination for their honeymoon trip.
B2 adjective ˈkʌl.ɪ.nər.i

culinary

Meaning
Related to cooking or the preparation of food, especially in a sophisticated or professional manner.
Example
Culinary advancements enhance the dining experience.
B2 noun ˈhɑːrvɪstɪŋ

harvesting

Meaning
The process of gathering a ripe crop from the fields or collecting natural resources.
Example
Unregulated harvesting affects the biodiversity of oceans.
B2 noun /ˈskʌlp.tʃər/

Sculpture

Meaning
the art of making objects by carving; a work of art made by carving
Example
The museum displays ancient Greek sculpture.
C2 verb /ɪnˈvaɪərən/

environ

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

fallow

Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
C2 adjective /ˌfærɪˈseɪɪkəl/

pharisaical

Meaning
Excessively concerned with formal rules or outward show of morality, often in a hypocritical way.
Example
His pharisaical behavior made people doubt his sincerity.
C1 adjective /ˈlækˌlʌstər/

lackluster

Meaning
Lacking in vitality, force, or conviction; uninspired or uninspiring.
Example
The lackluster performance disappointed the audience.
C1 verb /ɪmˈpɑːrt/

impart

Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
C2 noun /roʊˈtʌn.də.ti/

rotundity

Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
B2 noun /ˈθiːərɪst/

theorist

Meaning
A person who develops, studies, or explains theories in a particular field.
Example
The political theorist explained the impact of democracy on social structures.
C2 adjective /ˈpɪrɪk/

pyrrhic

Meaning
A victory won at such a great cost that it is almost equivalent to defeat.
Example
The general declared the battle a pyrrhic victory due to heavy losses.
B2 noun oʊˈbiː.sə.t̬i

obesity

Meaning
The condition of being grossly fat or overweight.
Example
Obesity increases the risk of diabetes and heart disease.
B2 adjective /ˈhevənli/

Heavenly

Meaning
relating to heaven; extremely pleasant or beautiful
Example
The chocolate cake had a heavenly taste that melted in my mouth.
C1 noun /bəˈtæljən/

battalion

Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

Meaning
characteristic of or resembling a demon; wildly evil
Example
He gave a demoniacal laugh that terrified everyone.
C1 adjective /ˈrɛvərənt/

reverent

Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
B2 verb /ˈkɒnvɪkt/

convict

Meaning
to find someone guilty of a crime in a court of law
Example
The court convicted him of theft.
A2 noun /ˈsɪnəmə/

cinema

Meaning
a place where films are shown to the public; the art or industry of making and showing films
Example
We went to the cinema to watch a new movie.
C2 verb /ˈtæri/

tarry

Meaning
To delay or linger; to stay longer than intended.
Example
Do not tarry, or you will miss the train.
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
C1 noun /ˈævətɑːr/

avatar

Meaning
an icon or figure representing a person in digital contexts; in Hinduism, a divine incarnation
Example
She changed her social media avatar to a new cartoon image.
B1 verb /kəˈmænd/

command

Meaning
to give an order authoritatively; to control or direct
Example
The general commanded the soldiers to move forward.
C2 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
B2 noun /bʌd/

Bud

Meaning
An undeveloped or immature flower before it opens
Example
The rose bud will bloom into a beautiful flower in a few days.
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
B2 adjective /blænd/

bland

Meaning
lacking strong features, flavor, or character; dull or uninteresting
Example
The soup was too bland for my taste.
C1 noun /ˌluː.brɪˈkeɪ.ʃən/

lubrication

Meaning
The action of applying a substance to reduce friction between surfaces in mutual contact.
Example
Lubrication of the eyes is essential for well-being.
B2 adjective/noun /ˈmaɪ.nər/

minor

Meaning
less important, serious, or significant; a person under the legal age
Example
Luckily, the accident caused only minor injuries.
A2 adjective /pəˈlaɪt/

Polite

Meaning
having good manners; respectful; courteous
Example
He was very polite and respectful to everyone.
C1 adjective /ˈtɪərfəl/

Tearful

Meaning
expressing or showing sadness and sorrow; inclined to weep
Example
She gave a tearful goodbye to her friends at the airport.
C1 verb /snʌb/

snub

Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
C1 noun/verb /rɪˈpoʊz/

repose

Meaning
a state of rest, sleep, or tranquility; to rest or lie in a peaceful position
Example
After the long journey, she sought repose in the quiet garden.
A2 verb /rɪˈmuːv/

remove

Meaning
to take something away; to eliminate or delete
Example
Please remove your shoes before entering the house.
A2 adjective /fɪt/

Fit

Meaning
suitable; appropriate; healthy; in good physical condition; ready
Example
He is fit and healthy.
C1 adjective /ˈsæŋɡwɪn/

sanguine

Meaning
Optimistic or positive, especially in a difficult situation.
Example
Despite the challenges, she remained sanguine about the future.
C1 adjective /əˈlʊr.ɪŋ/

Alluring

Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
B2 verb /ˈpenɪtreɪt/

penetrate

Meaning
to go into or through something; to understand something deeply
Example
The bullet penetrated the wall.
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
C2 noun /ˈoʊ.kəm/

oakum

Meaning
loose fibers obtained by untwisting old ropes, used for caulking ships
Example
The shipbuilders used oakum to seal the gaps in the wooden planks.
C2 noun /ˈkænə/

Canna

Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
C1 adjective /hɪpˈnɒtɪk/

hypnotic

Meaning
Producing sleep or a trance-like state; mesmerizing.
Example
The music had a hypnotic effect on the audience.
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
C1 noun /ˌdez.ɪɡˈneɪ.ʃən/

Designation

Meaning
the action of choosing someone for a position; a name, title, or official status
Example
His designation as team leader came with additional responsibilities and authority.
C2 verb /sleɪk/

slake

Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
B2 noun /tɪˈlɑpiə fɪʃ/

Tilapia fish

Meaning
a freshwater fish native to Africa, widely farmed for food due to its mild taste and fast growth
Example
Tilapia fish is one of the most commonly farmed fish species worldwide.
B2 adjective /ˈlɪtərəl/

literal

Meaning
taking words in their usual or most basic sense without metaphor or exaggeration
Example
His comment was meant as a joke, not to be taken in a literal sense.
A1 verb /liːv/

leave

Meaning
to go away from; to depart or exit
Example
The train leaves at 6 PM.
C1 adjective /tɪˈrænɪkəl/

tyrannical

Meaning
exercising power in a cruel or arbitrary way
Example
The tyrannical ruler silenced all opposition.
A2 noun ˈhæpɪnəs

happiness

Meaning
The feeling or state of being happy; a pleasurable or satisfying experience; contentment and joy.
Example
Happiness lies in enjoying the small things in life.
C2 noun /nɑːrˈsɪsəs/

narcissus

Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
B2 noun /ˈsen.tɪ.piːd/

Centipede

Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
B2 noun /ˌsoʊsiˈɑːlədʒi/

sociology

Meaning
the study of society, human relationships, and social institutions
Example
She is studying sociology at university.
A2 adjective /laɪt ɡriːn/

Light green

Meaning
a pale shade of green color; not dark green
Example
She wore a light green dress to the garden party.
A2 verb ˈsɛləbreɪtɪŋ

celebrating

Meaning
The act of acknowledging a significant or happy day or event with a social gathering or enjoyable activity.
Example
Celebrating awareness days helps spread important messages.
A2 adjective /ˈskeəri/

scary

Meaning
causing fear or making you feel frightened
Example
That horror movie was really scary.
C1 noun /dɜːrθ/

dearth

Meaning
A scarcity or lack of something.
Example
There was a dearth of food during the famine.
B1 noun /ˌpɒp.jəˈlær.ə.ti/

Popularity

Meaning
the state of being liked, admired, or supported by many people
Example
The singer's popularity has grown rapidly this year.
C1 noun ˈledʒ.ɪ.slə.tʃər

legislature

Meaning
The legislative body of a country or state; the branch of government that makes laws.
Example
The legislature drafts laws for governance.