sleep deprivation
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B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
B2 adjective /ˈprɪm.ɪ.tɪv/

Primitive

Meaning
ancient; basic; crude; undeveloped; simple
Example
The tribe still uses primitive tools for hunting and farming.
C2 adjective /ˈpɑːmi/

palmy

Meaning
prosperous, flourishing, or relating to palm trees
Example
He often reminisced about the palmy days of his youth.
A2 adverb /ˈbædli/

badly

Meaning
in a way that is not good; poorly or severely
Example
He performed badly in the exam.
B2 adjective /ˈʃɒkɪŋ/

shocking

Meaning
causing surprise or disbelief; startling
Example
The news of the accident was shocking to everyone.
C2 noun /broʊɡ/

brogue

Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
A1 noun /end/

End

Meaning
the final part of something; termination or conclusion
Example
The end of the movie was unexpected and left everyone surprised.
B1 noun /ˈbriːðɪŋ/

breathing

Meaning
the process of taking air into and expelling it from the lungs.
Example
Deep breathing can help you relax.
B2 verb /fʊlˈfɪl/

fulfil

Meaning
to complete or achieve something that was expected or promised; to satisfy a requirement or desire
Example
She worked hard to fulfil her dream of becoming a doctor.
C2 noun /nəˈkrɒpəlɪs/

necropolis

Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
C1 adjective /həˈred.ɪ.ter.i/

Hereditary

Meaning
passed down through family genes; inherited from ancestors
Example
The hereditary disease was passed down through generations.
B1 adjective /ɑːrmd/

armed

Meaning
equipped with or carrying weapons
Example
The bank was robbed by armed men.
C2 adjective /ɛmˈpaɪriəl/

empyreal

Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
B2 noun /səkˈses.ər/

Successor

Meaning
a person who succeeds another in office; someone who takes over a position or role
Example
The CEO announced his retirement and named his successor for the company.
B2 noun, adjective /tɑːrt/

tart

Meaning
A small pie with a sweet or savory filling; or having a sharp, sour taste.
Example
She served a delicious apple tart for dessert.
C2 noun /ˌmɛɡələˈmeɪniə/

megalomania

Meaning
A condition characterized by delusional fantasies of power, wealth, or omnipotence.
Example
The dictator’s megalomania led him to believe he was invincible.
B2 adjective /ɪnˈkluːsɪv/

inclusive

Meaning
Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.
Example
Inclusive growth benefits all sections of society.
B2 noun /ˈklaɪ.mæks/

Climax

Meaning
the most intense, exciting, or important point of something; the highest or most intense point in a process
Example
The movie reached its climax during the final battle scene.
C2 adjective /sʌbˈdʒeɪsənt/

subjacent

Meaning
lying immediately beneath; underlying
Example
The geological survey revealed subjacent layers of rock.
B1 noun /ˌprezənˈteɪʃən/

presentation

Meaning
The manner or style in which something is given, offered, or displayed.
Example
The presentation of the new product was well received.
B2 adjective /ˈrɒt.ən/

Rotten

Meaning
decayed; spoiled; bad
Example
The apple is rotten and should be thrown away.
C1 verb /dɪˈfeɪm/

defame

Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C1 verb /lʌl/

lull

Meaning
to soothe or calm; to cause to sleep or rest
Example
The gentle music lulled the baby to sleep.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
C2 noun /nɪmf/

Nymph

Meaning
a mythological spirit of nature; a beautiful young woman in classical mythology
Example
The water nymph appeared by the moonlit lake.
C2 adjective /ɪˈpɪstələri/

epistolary

Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
C2 noun /ˈæstər/

Aster

Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
A1 verb /weɪt/

wait

Meaning
to stay in expectation; to delay action until something happens
Example
Please wait here while I get the documents.
B1 noun ɪnˈven.ʃən

invention

Meaning
The action of inventing something, typically a process or device.
Example
The invention revolutionized communication.
C1 adjective /ˈmɪnəskjuːl/

minuscule

Meaning
extremely small in size or importance
Example
She made only a minuscule contribution to the project.
B2 adverb /ˈhoʊli/

Wholly

Meaning
Entirely; completely; to the full extent
Example
I am wholly committed to this project.
C1 noun/verb /dɛnt/

dent

Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
A1 noun /weɪ/

Way

Meaning
a method, style, or manner of doing something; a road or path
Example
There must be a better way to solve this problem.
C1 verb /hɔːrd/

hoard

Meaning
to accumulate and hide away a large supply of something, often secretly
Example
During the crisis, many people began to hoard food and water.
A2 noun ˈmem.bərz

members

Meaning
A person, animal, or plant belonging to a particular group; an individual belonging to a group such as a society or team.
Example
Members collaborate to finalize recruitment decisions.
C2 noun /ˈhɒdʒ.pɒdʒ/

hodgepodge

Meaning
A confusing mixture of different things; a jumble.
Example
The essay was a hodgepodge of unrelated ideas.
A1 noun /kɑːrd/

card

Meaning
A small, flat piece of stiff paper or thin cardboard used for various purposes, such as identification, greetings, or playing games.
Example
She handed me her business card after the meeting.
C2 adjective /ˈstɜːr.tər.əs/

stertorous

Meaning
Characterized by heavy snoring or breathing.
Example
The patient’s stertorous breathing alarmed the nurses.
C2 noun /dɪˈtraɪtəs/

detritus

Meaning
Waste or debris of any kind; fragments left from destruction or decay.
Example
The riverbank was covered with detritus after the flood.
C2 adjective /əˈbɪs.əl/

abyssal

Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
B1 noun /wɪdθ/

Width

Meaning
the measurement or extent of something from side to side; breadth
Example
The width of the river is about 50 meters.
B1 adverb /ɪˈnɪʃəli/

initially

Meaning
At the beginning; at first.
Example
Initially, he refused the offer but later accepted it.
C1 adjective /bɪˈrɛft/

bereft

Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
C1 verb /ˈænɪmeɪt/

animate

Meaning
to bring to life or make lively; to create animation for films or cartoons
Example
The artist will animate the characters for the movie.
B2 noun /ˈhɑːr.bər/

Harbour

Meaning
a place on the coast where vessels may find shelter; a place of safety or refuge
Example
The fishing boats returned safely to the harbour before the storm hit the coastline.
B2 noun /səˈvaɪvl/

survival

Meaning
the state of continuing to live or exist, typically in difficult conditions
Example
Survival in the wild can be a challenging experience.
C2 adjective /ˈvæpɪd/

vapid

Meaning
lacking liveliness, flavor, or interest; dull and uninspired
Example
The lecture was so vapid that half the audience fell asleep.
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 /seɪnt/

Saint

Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
C2 adjective /kwəʊˈtɪdiən/

quotidian

Meaning
Ordinary or everyday, especially when mundane.
Example
He focused on the quotidian details of family life.
A2 verb /taɪp/

type

Meaning
to write using a keyboard or typewriter
Example
She can type very fast on the computer.
B2 noun /pɪtʃ/

pitch

Meaning
the quality of a sound; the level or degree of intensity; a throw or toss
Example
The singer's pitch was perfect during the performance.
C1 verb /ˈsaɪdˌtræk/

sidetrack

Meaning
To distract from the main subject or activity.
Example
She was sidetracked by an unexpected phone call.
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
C2 noun /krəˈnɒmɪtər/

chronometer

Meaning
An instrument for measuring time precisely, especially used in navigation.
Example
The sailor relied on the chronometer to determine his position at sea.
A2 adjective, noun /dɛd/

dead

Meaning
No longer alive; the end of life.
Example
The old tree is completely dead.
B2 noun /ˈlɔɪəlti/

loyalty

Meaning
a strong feeling of support or allegiance
Example
His loyalty to the company earned him great respect.
B2 noun /ˈbroʊ.kər/

Broker

Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
C2 adjective /ˈnjuːmɪnəs/

numinous

Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
B2 verb /dʒɑːɡ/

jog

Meaning
to run at a slow, steady pace for exercise
Example
She jogs every morning in the park.
C1 adjective ʌnˈwɔːr.rən.tɪd

unwarranted

Meaning
Not justified or necessary; without good reason.
Example
His anger toward the staff was completely unwarranted.
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
B2 verb /ˈdɛzɪɡneɪt/

designate

Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
C2 noun /ˈlæŋɡər/

languor

Meaning
A state of tiredness, inertia, or dreamy relaxation.
Example
The hot afternoon filled her with languor.
A2 adjective /ˈdɪdʒ.ɪ.təl/

digital

Meaning
Relating to, using, or storing data or information in the form of digital signals; involving or relating to the use of computer technology.
Example
The world is shifting towards a digital economy.
C2 verb /ʃʌk/

shuck

Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
C1 noun /ˈɡraʊnd kruː/

ground crew

Meaning
a team of people who maintain and service aircraft on the ground
Example
The ground crew prepared the plane for takeoff.
B1 noun /əˌkɒm.əˈdeɪ.ʃənz/

accommodations

Meaning
Lodging; room and board; places to stay.
Example
The students had proper accommodations.
B2 adjective /ˈsændi/

Sandy

Meaning
covered with sand; containing sand; having the texture of sand
Example
The sandy beach stretched for miles along the coast.
C1 noun /ˌhoʊmiˈɑːpəθi/

homeopathy

Meaning
a system of alternative medicine based on treating diseases with highly diluted substances
Example
He believes in homeopathy for treating common colds.
C2 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
B1 noun /slaɪd/

Slide

Meaning
a smooth surface for sliding down; a piece of playground equipment
Example
The children enjoyed playing on the slide at the park.
C1 noun ˈeʃ.ə.lɒn

echelon

Meaning
A level or rank in an organization, a profession, or society.
Example
He climbed to the upper echelon of the corporate world.
C2 noun /ˌkiː ˈviːv/

qui vive

Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
B2 noun /ˈrɒbəɹi/

robbery

Meaning
the crime of stealing from someone or somewhere using force or threat
Example
The police are investigating the robbery at the local store.
C1 noun /ɡruːv/

groove

Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
A1 noun /ˈsʌmər/

summer

Meaning
the warmest season of the year, between spring and autumn
Example
We love going to the beach during summer.
A2 noun /ˈdɪs.təns/

Distance

Meaning
the length of space between two points; remoteness in place, time, or relationship
Example
The distance between the two cities is approximately three hundred kilometers.
A2 noun /ʃeɪp/

Shape

Meaning
the external form or appearance of something; condition or state
Example
The artist drew a perfect circle shape on the canvas.
B1 noun /kəmˈpær.ɪ.sən/

Comparison

Meaning
the act of examining the similarities and differences between two or more things
Example
The teacher made a comparison between the two poems to show their different styles.
C2 adjective /prɪˈzʌmptɪv/

presumptive

Meaning
Based on probability or assumption rather than proof.
Example
She is the presumptive nominee for the party.
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
C2 adjective /rɪˈsplɛndənt/

resplendent

Meaning
Shining brilliantly; dazzling in appearance or effect
Example
The bride looked resplendent in her wedding gown.
A2 verb /ˈkʌv.ərd/

covered

Meaning
Protected by being placed over or wrapped; hidden from view.
Example
The forest is covered in greenery.
C1 verb /ɡrʌnt/

grunt

Meaning
to make a low, rough sound, often when exerting effort or expressing annoyance
Example
He grunted as he lifted the heavy box.
C2 verb /ˈdʒæbər/

jabber

Meaning
To talk quickly and excitedly but with little sense.
Example
The children jabbered happily after the show.
B2 noun /stɑːˈveɪ.ʃən/

Starvation

Meaning
suffering or death caused by lack of food; extreme hunger
Example
Many people died of starvation during the famine.
C1 noun /ˈmɛm.wɑːr/

memoir

Meaning
A historical account or autobiography written from personal experience.
Example
The author’s memoir details her journey through hardship and success.
C2 adjective /ˈmɔːkɪʃ/

mawkish

Meaning
excessively sentimental, often to the point of being sickly
Example
The movie was criticized for its mawkish sentimentality.
C1 adjective /ˈpɔːrəs/

porous

Meaning
Having tiny holes that allow liquid or air to pass through.
Example
The soil is very porous and drains quickly.
B1 adverb /sɪɡˈnɪfɪkəntli/

significantly

Meaning
in a way that is large or important enough to have an effect
Example
The economy has significantly improved over the last decade.
C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

Meaning
Uncomfortably small, cramped, or inconvenient.
Example
We had to stay in an incommodious room during the trip.
C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
C1 adjective /ˈstæɡ.nənt/

Stagnant

Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
B2 noun /ˈfriːˌlænsər/

freelancer

Meaning
A person who works independently without being permanently employed by one organization.
Example
She works as a freelancer designing websites for different clients.
B2 noun /ˈleɪzər/

laser

Meaning
a device that emits a concentrated beam of light
Example
The doctor used a laser to perform eye surgery.
B2 verb /mɛnd/

mend

Meaning
To repair something that is broken or damaged.
Example
She learned to mend her torn dress.
A1 verb /ˌʌndərˈstænd/

understand

Meaning
to know the meaning of something; to comprehend
Example
Do you understand the instructions?
B1 adjective /əˈlɜːrt/

alert

Meaning
quick to notice and respond to potential danger or issues; aware and attentive
Example
The alert dog barked at the stranger approaching the house.
B2 adjective /ˌdɪsəˈbiːdiənt/

Disobedient

Meaning
refusing to obey rules or authority; rebellious
Example
The disobedient child refused to follow the rules.
B2 adjective /ˈɑːrbɪˌtrɛri/

arbitrary

Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
B1 noun /ˈfjuː.əl/

Fuel

Meaning
a material such as coal, gas, or oil that is burned to produce heat or power
Example
The rising cost of fuel has affected transportation and heating expenses worldwide.
A1 noun /help/

Help

Meaning
the action of helping someone to do something; assistance or support
Example
The volunteer offered his help to carry the elderly woman's groceries to her car.
A2 verb /bæt/

bat

Meaning
to hit with a bat; to flutter eyelids
Example
She bats her eyelashes flirtatiously.
B1 noun ˈpeɪʃəns

patience

Meaning
The capacity to accept or tolerate delay, problems, or suffering without becoming annoyed or anxious
Example
Patience is essential when chasing big goals.
C1 adverb /ˌðɛərˈtu/

Thereto

Meaning
to that; in addition to that
Example
The house and the garden attached thereto were sold.
A2 noun /reɪs/

race

Meaning
a competition of speed, or a group of people with similar characteristics
Example
The race was very exciting, with many competitors.
A2 noun ˈprɒdʒ.ekts

projects

Meaning
Individual or collaborative enterprises that are carefully planned to achieve a particular aim.
Example
These projects aim for technological breakthroughs.
C1 adjective /ɪmˈpɑːrʃəl/

Impartial

Meaning
treating all sides fairly; unbiased; neutral
Example
A good judge must remain impartial throughout the trial.
B2 adjective /ˈslɪp.ər.i/

Slippery

Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
B2 noun /ˈkæp.tɪv/

Captive

Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
B1 noun ˌkriː.eɪˈtɪv.ɪ.ti

creativity

Meaning
The ability to use imagination to produce original ideas or to make something new or imaginative.
Example
His creativity was evident in his artwork.
C1 verb /rɪˈɡrɛs/

regress

Meaning
To return to a former or less developed state.
Example
Without proper guidance, the child's progress began to regress.
B2 adjective /ˈseɪ.krɪd/

Sacred

Meaning
connected with God or a god; considered holy; worthy of religious worship
Example
The sacred temple was visited by thousands of pilgrims.
A2 noun /ˈbækɡraʊnd/

Background

Meaning
the circumstances or situation that form the setting; a person's education, experience, or social circumstances
Example
She has a strong background in mathematics and computer science.
C1 adjective /ˈpeɪtrənaɪzɪŋ/

patronizing

Meaning
showing kindness that is perceived as condescending or superior
Example
His patronizing tone offended the audience.
C2 noun /ˈbʌɡəˌbuː/

bugaboo

Meaning
An object of fear or worry; an imagined cause of anxiety.
Example
The threat of inflation became a political bugaboo.
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C2 adjective /ˈiːkwaɪn/

equine

Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.