crustacean
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C1 noun /krʌˈsteɪʃən/

crustacean

Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
C1 noun /ˈpraɪ.mər/ (US), /ˈprɪm.ər/ (UK)

primer

Meaning
A basic introductory book or a substance used to prepare a surface for painting.
Example
He read a primer on programming before starting his course.
C2 noun /ˈdɛkəˌɡræm/

decagram

Meaning
A metric unit of mass equal to ten grams.
Example
The package weighed exactly one decagram.
C2 noun /ˈoʊ.vər.let/

Overlet

Meaning
a thin mattress or pad placed over a bed for additional comfort
Example
The overlet makes the bed more comfortable to sleep on.
A2 noun /buːt/

Boot

Meaning
sturdy footwear covering the foot and ankle or lower leg
Example
He laced up his hiking boots before the mountain trek.
B2 adverb /ɔːˈθentɪkli/

authentically

Meaning
in a genuine, real, or true manner; in a way that reflects true character or origin
Example
She speaks authentically about her experiences.
B1 adjective /ˈsplendɪd/

Splendid

Meaning
magnificent; excellent; very impressive
Example
The castle looked splendid in the sunset.
C1 verb /ˈrʌf.l̩/

ruffle

Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
C1 adverb/adjective /vɜːˈbeɪ.tɪm/

verbatim

Meaning
In exactly the same words as were used originally; word for word repetition.
Example
She repeated his instructions verbatim to avoid errors.
C2 verb /fleɪl/

flail

Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
B2 noun /wɜːrd fɔːrˈmeɪʃən/

word formation

Meaning
the process by which new words are created or existing words are modified in a language
Example
Word formation helps learners understand how new vocabulary develops in English.
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
C1 noun /ˈɔːnɪŋ/

awning

Meaning
a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain
Example
We sat under the awning to avoid the heavy rain.
B2 noun /ˌkɑn.trəˈdɪk.ʃən/

Contradiction

Meaning
a combination of statements, ideas, or features which are opposed to one another; inconsistency
Example
There was a clear contradiction between his words and his actions.
C1 adjective ˌɡæs.troʊ.ɪnˈtes.tɪ.nəl

gastrointestinal

Meaning
Relating to the stomach and intestines.
Example
Spicy food can cause gastrointestinal issues.
A2 noun /ˈdɪfɪkəlti/

difficulty

Meaning
the state or condition of being hard to do, deal with, or understand
Example
He faced great difficulty in learning a new language.
A1 verb /teɪk/

take

Meaning
to get possession of; to carry or bring with oneself
Example
Please take this book to the library.
C2 verb /ˈræŋ.kəl/

rankle

Meaning
To cause continuing annoyance or resentment.
Example
His unfair criticism continued to rankle her for days.
B2 noun /ˈtriː.oʊ/

trio

Meaning
A group of three people or things, especially in music or performance.
Example
The jazz trio played beautifully at the concert.
C2 adjective /ˌsuːpərˈæn.ju.eɪ.tɪd/

superannuated

Meaning
old and no longer useful or valid; retired due to age
Example
The factory was filled with superannuated machines that slowed production.
C1 adjective /ˈstʌm.pi/

Stumpy

Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
B1 noun /mʌɡ/

Mug

Meaning
a large cup, typically cylindrical and having a handle and used without a saucer
Example
She drank her morning coffee from a ceramic mug.
A1 noun /ˈwɛnzdeɪ/

wednesday

Meaning
the fourth day of the week, following Tuesday and preceding Thursday
Example
The meeting has been scheduled for Wednesday afternoon.
C1 verb /ˈklæmbər/

clamber

Meaning
to climb with effort or difficulty, often using both hands and feet
Example
The children clambered over the rocks to reach the cave.
C2 noun /ˈænɪməlˌkjuːl/

animalcule

Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
A2 noun /ˈherˌdrɛsər/

hairdresser

Meaning
a person whose job is to cut, style, and treat hair
Example
The hairdresser gave me a stylish haircut before the wedding.
B2 adjective ɪˈmɜː.sɪv

immersive

Meaning
Providing, involving, or characterized by deep absorption or immersion in something.
Example
Virtual reality creates an immersive learning environment.
B1 noun /ˈprəʊɡræmɪŋ/

programming

Meaning
the process of designing and writing computer programs
Example
He has been learning programming for several months now.
C2 noun /ˈɡlʌtəni/

gluttony

Meaning
Excessive eating or drinking; overindulgence in food or drink.
Example
His gluttony during the festival left him feeling sick.
A2 noun /bentʃ/

Bench

Meaning
a long seat for several people, typically made of wood or stone
Example
The students sat on the bench.
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.
B1 noun /pɜːrl/

Pearl

Meaning
a hard, lustrous object produced within the soft tissue of a shelled mollusk; used in jewelry
Example
She wore a beautiful pearl necklace to the wedding.
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
C1 verb kəˈrɒb.ə.reɪt

corroborate

Meaning
Confirm or give support to a statement, theory, or finding.
Example
The witness corroborated the defendant's testimony.
C1 adjective /ˌtræn.senˈdɛn.təl/

transcendental

Meaning
relating to the spiritual or non-physical realm; surpassing ordinary experience
Example
Meditation can lead to transcendental experiences.
C1 adjective /dɪˈstrɔːt/

distraught

Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
C1 adjective /ˌɔː.riˈen.təl/

Oriental

Meaning
relating to the countries of East Asia; eastern
Example
The museum has a beautiful collection of oriental art.
C2 adjective /ˈfʊtˌluːs/

footloose

Meaning
Free to go anywhere or do anything; not tied down by responsibilities.
Example
After graduating, he felt footloose and ready to explore the world.
B1 noun /ʃɔːr/

Shore

Meaning
the land along the edge of a sea, lake, or other body of water
Example
We walked along the shore collecting seashells.
B1 noun /ˈkɑn.fɪ.dəns/

Confidence

Meaning
the feeling or belief that one can rely on someone or something; firm trust; self-assurance
Example
She spoke with great confidence during the job interview.
C1 noun /ˈfænsiər/

fancier

Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
B2 noun /streɪn/

Strain

Meaning
pressure or tension; excessive demand on strength or resources
Example
Working long hours put a strain on his health.
C2 noun /ˌɒktədʒəˈnɛəriən/

octogenarian

Meaning
A person who is between 80 and 89 years old.
Example
The octogenarian still jogs every morning to stay healthy.
A1 pronoun /aʊərz/

ours

Meaning
belonging to or associated with us
Example
This victory is ours.
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
A2 adjective /ˈfuː.lɪʃ/

Foolish

Meaning
lacking good sense or judgment; unwise; silly
Example
It was foolish of him to drive in such heavy rain.
B1 verb /wɔːrn/

warn

Meaning
to alert about danger; to give notice of risk
Example
The weather service warns of heavy rain tonight.
C1 adjective /ænˈtɪriər/

anterior

Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
C2 verb /məˈkadəˌmaɪz/

macadamize

Meaning
to construct or cover a road with broken stone
Example
The government decided to macadamize the old rural roads.
B1 adjective /ˈwɜːrldwaɪd/

worldwide

Meaning
extending or reaching throughout the whole world
Example
The company has achieved worldwide recognition for its products.
B2 noun /ˈwɪkɪdnəs/

wickedness

Meaning
Evil or morally bad behavior.
Example
The story highlights the wickedness of the cruel king.
C2 noun /əˈspɜːr.ʒən/

aspersion

Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
B2 noun /leɪs/

Lace

Meaning
a delicate fabric made of yarn or thread in an open weblike pattern; a cord or string for fastening
Example
She wore a beautiful dress decorated with intricate lace patterns.
C2 noun /ˈbuːbi/

booby

Meaning
a foolish or gullible person; a silly individual
Example
He felt like a booby after making such a simple mistake.
A2 noun /dɪˈzaɪnər/

designer

Meaning
a person who plans and creates the form or structure of something
Example
The fashion designer presented her new collection.
C2 noun /ɪnˈhɪərəns/

inherence

Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
B1 noun /tæŋk/

Tank

Meaning
a heavily armored fighting vehicle moving on a continuous track
Example
The tank rolled through the battlefield with powerful armor.
B2 adjective /ˌʌndərˈlaɪɪŋ/

underlying

Meaning
basic or hidden but important; forming the foundation of something
Example
The underlying reason for the conflict was never addressed.
B1 verb /rɪˈflekt/

reflect

Meaning
to think deeply about; to mirror back light or image
Example
The mirror reflects her beautiful face.
C1 noun /ˈtɛnəmənt/

tenement

Meaning
a large building divided into separate apartments, often in poor condition
Example
The family lived in a crowded tenement in the city.
B2 adjective /ɪkˈstræv.ə.ɡənt/

Extravagant

Meaning
spending much more than is necessary; wasteful; lacking restraint in spending
Example
His extravagant lifestyle included expensive cars and luxury vacations.
B2 noun /kroʊ/

Crow

Meaning
a large black bird known for its intelligence and harsh call
Example
The crow cawed loudly from the tree branch.
C2 adjective /ˈlɛtʃ.ər.əs/

lecherous

Meaning
having or showing excessive or offensive sexual desire
Example
The character was portrayed as a lecherous old man.
C1 noun /ɪkˈspʌlʃən/

expulsion

Meaning
The act of forcing someone to leave a place, especially a school or country.
Example
His constant misbehavior led to his expulsion from school.
B2 adjective /ˈmɒdɪst/

modest

Meaning
Having or showing a humble estimate of one’s importance; simple and not extravagant.
Example
She lives in a modest house in the countryside.
B1 noun /ˈsɛntɪˌmiːtər/

centimeter

Meaning
A metric unit of length equal to one hundredth of a meter.
Example
The table is 120 centimeters long.
C2 adverb, adjective /ˈɡrætɪs/ or /ˈɡreɪtɪs/

gratis

Meaning
Without charge; free of cost.
Example
The drinks at the event were provided gratis.
C1 noun/adjective /kənˈfɛdərət/

confederate

Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
B2 verb /ˌoʊvərˈloʊd/

overload

Meaning
to load with too much weight or cargo; to give too much work or information
Example
Don't overload the washing machine or it might break down.
C2 verb /ɪˈvɪsəˌreɪt/

eviscerate

Meaning
to remove the internal organs of; to deprive of essential content
Example
The critics eviscerated the movie for its weak storyline.
C2 noun /ˈɛpənɪm/

eponym

Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
A1 noun /ɑːrt/

art

Meaning
the expression or application of human creative skill and imagination
Example
She studied art at the university.
B2 noun /ˌfæs.ɪˈneɪ.ʃən/

Fascination

Meaning
the power to fascinate someone; the state of being intensely interested
Example
Her fascination with ancient history led her to become an archaeologist.
B2 noun /ˈpær.ə.daɪs/

Paradise

Meaning
heaven; a place or state of perfect happiness; an ideal or perfect place
Example
The tropical island was like paradise for the tourists.
A1 verb /pliːz/

please

Meaning
to make someone happy or satisfied; used as a polite request
Example
His performance pleased the audience.
B2 noun ədˈvɜː.sɪ.ti

adversity

Meaning
Difficulties; misfortune; a difficult or unpleasant situation.
Example
He remained strong in the face of adversity.
C1 verb /əˈflɪkt/

afflict

Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
B2 noun /ˈdiː.sən.si/

Decency

Meaning
behavior that conforms to accepted standards of morality or respectability
Example
She had the decency to apologize for her mistake immediately.
B2 noun /ˌriːprəˈdʌkʃən/

reproduction

Meaning
The process of producing offspring; the act of copying or duplicating.
Example
The textbook included a detailed diagram of human reproduction.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
C1 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

Meaning
To bring someone or something back into a group or society after being separated.
Example
The program helps prisoners reintegrate into society.
C1 adjective /prəˈlɪf.ɪk/

prolific

Meaning
Present in large numbers or quantities; plentiful; producing many works, results, or offspring.
Example
The author is prolific, having written over 30 books.
B2 verb /ɪkˈspɛl/

expel

Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
B2 noun /ˈɪnfənt/

infant

Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
B2 verb /ˈjuːtɪlaɪz/

utilize

Meaning
to make practical or effective use of something
Example
The company aims to utilize solar energy for production.
B2 adjective /ˈpleɪfəl/

playful

Meaning
full of fun and high spirits; lively
Example
The puppy was very playful, running around the garden.
B2 verb /dɪˈstɪŋɡwɪʃ/

distinguish

Meaning
to recognize or show the differences between two or more things; to set apart as different
Example
It can be difficult to distinguish between truth and rumor.
B1 noun /ˈkæləri/

calorie

Meaning
A unit of energy, often used to measure the energy content of food and drink.
Example
She checks the calorie count before eating any packaged food.
A2 verb /sɜːrv/

serve

Meaning
to provide service; to work for; to offer food or drink
Example
She serves breakfast at 8 AM every morning.
C2 noun, adjective /ˈɡɒsəmər/

gossamer

Meaning
Something light, thin, and delicate, like a fine fabric or cobweb.
Example
The bride's veil was made of delicate gossamer fabric.
B2 verb prəˈlɒŋ

prolong

Meaning
To extend the duration of something; to make something last longer.
Example
A healthy diet helps prolong life expectancy.
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
C2 adjective /əˈpɜːrtənənt/

appurtenant

Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
C2 adjective /dɪˈrɪzəbl/

derisible

Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
A1 adjective /hoʊl/

Whole

Meaning
complete; entire; all of something
Example
He ate the whole pizza by himself.
A2 noun /dʒuːs/

Juice

Meaning
the liquid obtained from or present in fruit or vegetables; the liquid that comes from meat when it is cooked
Example
The fresh apple juice was delicious and packed with vitamins.
A2 adjective /frɛʃ/

fresh

Meaning
new, recently made, or clean and pure
Example
The bread is still fresh from the oven.
C1 noun /ˈɛpɪθɛt/

epithet

Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
C2 verb /ˈdɛpɪleɪt/

depilate

Meaning
to remove hair from the skin, especially by mechanical or chemical means
Example
She decided to depilate her legs before the event.
C1 adjective, noun /əbˈzɔːrbənt/

absorbent

Meaning
able to soak up liquid, moisture, or energy easily; a material or substance that absorbs
Example
This towel is highly absorbent and dries quickly.
C1 noun /mɒnˈtɑːʒ/

montage

Meaning
A sequence of film editing or a composite image made by combining several separate pictures.
Example
The film opened with a montage of city life.
C2 noun /nɪb/

nib

Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
A2 conjunction /ɔːlˈðoʊ/

although

Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
C1 noun /buːn/

boon

Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
A2 adverb /ˈwiːkli/

Weekly

Meaning
happening or done once every week; every week
Example
I visit my grandmother weekly on Sundays.
C1 adjective /ʌnˈsɪvəlaɪzd/

Uncivilized

Meaning
not developed in terms of civilization; lacking social organization and culture; barbarous
Example
The explorers encountered an uncivilized tribe deep in the Amazon rainforest.
C1 adjective /ˈfɜːr.vənt/

fervent

Meaning
having or showing intense passion or enthusiasm
Example
She gave a fervent speech about climate change.
B2 verb /mɛnd/

mend

Meaning
To repair something that is broken or damaged.
Example
She learned to mend her torn dress.
A2 noun /ˈsiːkrət/

secret

Meaning
something that is kept or meant to be kept unknown or unseen by others
Example
He told me a secret about his childhood.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
C2 adjective /səˈprɛsəbl̩/

suppressible

Meaning
capable of being restrained, controlled, or prevented
Example
The symptoms of the disease are suppressible with medication.
B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
C1 noun /pəˈpaɪrəs/

papyrus

Meaning
An ancient writing material made from the pith of the papyrus plant; also refers to the plant itself.
Example
The ancient scroll was written on papyrus.
A2 adverb /ˈæktʃuəli/

actually

Meaning
used to emphasize that something is true, especially when surprising
Example
She actually completed the project ahead of schedule.
A2 verb /ˈmænɪdʒ/

manage

Meaning
to control or organize something; to succeed in doing something difficult
Example
He manages a team of twenty employees effectively.
B2 noun /əˈmɛnətiz/

amenities

Meaning
useful or pleasant facilities and services provided for comfort or convenience
Example
The hotel offers modern amenities such as free Wi-Fi and a swimming pool.