Obstacle
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B1 noun /ˈɑb.stə.kəl/

Obstacle

Meaning
something that blocks or makes progress difficult; a barrier
Example
Bad weather was the main obstacle to our journey.
B1 noun /kəʊst/

Coast

Meaning
the part of the land near the sea; the edge of the land
Example
We drove along the coast to enjoy the view.
C1 noun /krʌst/

crust

Meaning
the hard outer surface of something, especially bread or the Earth's outer layer
Example
He cut off the crust of the bread before eating.
B1 noun /ˈfɔːr.mæt/

Format

Meaning
the way in which something is arranged or set out; the shape, size, and presentation of a book or document
Example
Please submit your report in PDF format by the end of the week.
B2 adjective /ˈʌt.moʊst/

Utmost

Meaning
greatest; most extreme; maximum possible
Example
She showed utmost care while handling the fragile items.
A1 adjective /ˈfeɪ.məs/

famous

Meaning
Known about by many people; renowned.
Example
This area is famous for its unique heritage.
B2 noun /ˈsɪnənɪm/

Synonym

Meaning
a word or phrase that means exactly or nearly the same as another word or phrase in the same language
Example
Happy and joyful are synonyms.
B1 noun /ˈreɪn.dɪər/

Reindeer

Meaning
a large deer with branched horns that lives in cold northern areas
Example
Santa's reindeer pulled his sleigh across the sky.
B2 noun /ɪnˈfɪnɪti/

infinity

Meaning
A concept describing something without any limit or end.
Example
The universe seems to stretch into infinity.
C2 adjective /dʒɛnˈtiːl/

genteel

Meaning
Polite, refined, or respectable, often in an affected or exaggerated way
Example
She spoke in a genteel manner that impressed the guests.
B2 noun /ˈpesɪˌmɪzəm/

pessimism

Meaning
A tendency to see the worst aspect of things or believe the worst will happen.
Example
Her constant pessimism made it hard to stay optimistic.
B1 noun /ˈpɪdʒ.ən/

Pigeon

Meaning
a grey and white bird with a fat body that is common in cities
Example
The pigeon pecked at breadcrumbs on the sidewalk.
A2 noun /ˈmærɪdʒ/

marriage

Meaning
The legally or formally recognized union of two people as partners in a personal relationship.
Example
Their marriage lasted for over thirty years.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
C2 noun /ˈmʌstərd ɔɪl/

Mustard Oil

Meaning
oil extracted from mustard seeds, commonly used for cooking and medicinal purposes
Example
We use mustard oil for cooking vegetables in our kitchen.
C1 noun /haɪˈpɜːrbəli/

hyperbole

Meaning
Exaggerated statements or claims not meant to be taken literally.
Example
Saying he could run a thousand miles in a day is pure hyperbole.
C1 noun /əˈtrɑːsəti/

atrocity

Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
C2 verb /ˈkɒr.ʌ.skeɪt/

coruscate

Meaning
to sparkle or flash brightly
Example
The fireworks coruscated across the night sky.
B2 noun /ˈɒfərɪŋ/

offering

Meaning
something that is given, especially as a gift or contribution
Example
The company’s latest offering is an eco-friendly car.
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

Meaning
to express strong disapproval or disagreement
Example
She expostulated with her friend about the risky decision.
C2 noun /ˈvɛstmənt/

vestment

Meaning
a garment, especially a ceremonial or official robe worn during religious services
Example
The priest wore a golden vestment during the ceremony.
B2 verb /ˌdɪsəˈpruːv/

disapprove

Meaning
to have a negative opinion about something; to consider something wrong or bad
Example
Many parents disapprove of smoking.
C1 adjective /ˈpæl.ə.tə.bəl/

palatable

Meaning
pleasant or acceptable to the taste, mind, or feelings
Example
The meal was simple but quite palatable.
B1 noun ˈbaʊndəri

boundary

Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
C1 adjective /ˈɔːrθədɑːks/

orthodox

Meaning
conforming to traditional beliefs or practices
Example
He comes from a very orthodox family.
A1 pronoun /miː/

me

Meaning
Used by a speaker to refer to themselves as the object of a verb or preposition.
Example
She gave me a beautiful gift.
C1 noun ˈpɑː.sɪŋ

parsing

Meaning
The process of analyzing sentence structure to understand grammatical relationships.
Example
The AI model performs parsing to understand syntax.
C1 noun /ˈkwæɡˌmaɪər/

quagmire

Meaning
a soft, wet area of land that gives way underfoot; a complex or dangerous situation
Example
The hikers were trapped in a political quagmire.
C2 verb /ruː/

rue

Meaning
To feel regret or sorrow about something.
Example
She will rue the day she trusted him.
B2 verb /ˈdɛdɪkeɪt/

dedicate

Meaning
to devote time, effort, or oneself to a particular purpose or person
Example
She dedicated her life to helping the poor.
C1 noun /ˈmɑːrtər/

Martyr

Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
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.
B1 noun /ˈɔː.θər/

Author

Meaning
a person who writes books, articles, or other written work
Example
The author spent three years writing her bestselling novel.
B2 noun /ˈpeɪtrən/

patron

Meaning
a person who gives financial or other support to a person, organization, or cause
Example
The library is supported by generous patrons.
C2 adjective /ˈæpəˌleɪt/

appellate

Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
C1 verb /ɪnˈdaɪt/

indict

Meaning
to formally accuse someone of committing a serious crime
Example
The grand jury decided to indict the politician for corruption.
B2 noun /ˈʃʌtəl/

shuttle

Meaning
a vehicle or craft that travels regularly between two places.
Example
The airport shuttle runs every 30 minutes.
C1 noun /ˈmæɡneɪt/

Magnate

Meaning
A wealthy and powerful businessperson or industrialist
Example
The oil magnate owned dozens of refineries across the country.
C2 noun /ˈθɝː.moʊ.klaɪn/

thermocline

Meaning
A layer in a body of water in which temperature changes rapidly with depth.
Example
The thermocline separates warm surface water from cold deep water.
B2 adjective /wiː/

wee

Meaning
very small in size; tiny
Example
She gave me a wee smile before leaving.
C1 noun ˈɛf.lu.ənt

effluent

Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
B2 noun ˈɡrævɪti

gravity

Meaning
The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Example
Gravity pulls objects towards the Earth's surface.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
A2 noun /haɪt/

height

Meaning
the measurement of someone or something from base to top
Example
The height of the tower impressed the visitors.
C1 noun /ˈloʊ.kəst/

Locust

Meaning
a large insect that flies in groups and eats crops
Example
The locusts destroyed the entire wheat field.
B2 adjective /ˈbɪtər/

Bitter

Meaning
having a sharp, pungent taste; feeling or showing anger and disappointment
Example
The medicine had a bitter taste.
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.
C2 noun /ˈdɛθsˌhɛd/

deaths-head

Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
B2 verb /vaʊ/

vow

Meaning
to make a serious promise; to pledge solemnly
Example
They vowed to love each other forever.
A2 noun /ˈpɛni/

penny

Meaning
a small coin of low value; a very small amount of money
Example
He found a penny on the sidewalk and smiled.
C1 adjective /ɪnˈkrɛdjələs/

incredulous

Meaning
unwilling or unable to believe something
Example
He gave her an incredulous look when she claimed she could fly.
B1 adverb /ðʌs/

thus

Meaning
as a result or consequence of something previously stated
Example
He was late, thus he missed the meeting.
C1 adjective /ˈsaɪt.ləs/

Sightless

Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
B2 noun /ˈdʒuːələr/

jeweller

Meaning
a person who makes, repairs, or sells jewelry
Example
The jeweller crafted a beautiful gold ring.
C2 adjective /ˈrɪbɔːld/

ribald

Meaning
Referring to sexual matters in a humorous or vulgar way.
Example
The comedian’s ribald jokes made the audience laugh uncomfortably.
C2 adjective /ɪmˈpælpəbəl/

impalpable

Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
C1 noun ˈrez.ɪ.djuː

residue

Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
C2 noun brəˈvɑː.dəʊ

bravado

Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
A2 adjective, adverb, interjection /ɔːlˈraɪt/

alright

Meaning
satisfactory or acceptable; safe or unharmed; used to express agreement or acknowledgment
Example
Everything is going to be alright.
C1 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

Meaning
The ability of computer systems or software to exchange and make use of information.
Example
The interoperability of different software systems ensures seamless workflow.
C1 verb /bɒtʃ/

botch

Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
B2 noun /ˌrezəˈveɪʃən/

Reservation

Meaning
the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval
Example
I made a reservation at the restaurant for tonight.
B2 adjective /ɡrɪm/

grim

Meaning
very serious or gloomy in appearance or outlook
Example
The future looked grim after the disaster.
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
B2 noun /ˌkɑn.frənˈteɪ.ʃən/

Confrontation

Meaning
a hostile or argumentative meeting or situation between opposing parties; direct challenge or opposition
Example
The confrontation between the two leaders ended without any agreement.
C2 noun /ˈdɛkəˌliːtər/

decaliter

Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
C1 noun /dɪsˈsɜːrvɪs/

disservice

Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
B1 adjective /æθˈlɛtɪk/

athletic

Meaning
physically strong, fit, and active; related to athletes or sports
Example
She has an athletic body because she exercises regularly.
C1 adjective /ˌwɛlˈbrɛd/

well-bred

Meaning
Having or showing good manners; properly raised.
Example
She is a well-bred young lady with excellent manners.
B2 noun /pʌbˈlɪs.ɪ.ti/

Publicity

Meaning
public attention or notice given to someone or something; advertising or promotion
Example
The movie received a lot of publicity before its release.
C1 adjective /ˌɪnkəʊˈhɪərənt/

incoherent

Meaning
Not clear or easy to understand; lacking logical connection.
Example
His explanation was so incoherent that nobody could follow it.
C1 verb /ˈɛkstrəˌdaɪt/

extradite

Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
B1 adverb /ˌhæfˈweɪ/

halfway

Meaning
at or to a point equal in distance between two points
Example
We met halfway between the two towns.
B2 verb /ˈɪmɪɡreɪt/

immigrate

Meaning
to come to live permanently in a foreign country
Example
He immigrated to Canada five years ago.
C1 adjective /ˈtiːmɪŋ/

teeming

Meaning
full of or swarming with things or people
Example
The market was teeming with shoppers.
B2 noun /brest/

Breast

Meaning
the front surface of a person's or animal's body between the neck and the stomach
Example
The baby fell asleep on her mother's breast.
C1 noun /ʃoʊl/

shoal

Meaning
a large group of fish swimming together; a shallow place in water
Example
We saw a shoal of fish near the coast.
C1 noun mælˈnʌr.ɪʃ.mənt

malnourishment

Meaning
Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat.
Example
Children in poverty-stricken areas suffer from malnourishment.
C1 noun /ʌnkənˈsɜːrn/

Unconcern

Meaning
lack of worry or interest; indifference
Example
She showed complete unconcern about the criticism.
C1 noun /buːn/

boon

Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
C1 noun /ˈheəˌkʌtər/

haircutter

Meaning
a person whose job is to cut and style hair; barber or hairdresser
Example
The haircutter gave me a neat and stylish haircut.
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.
B2 adjective /ˈflɔː.ləs/

Flawless

Meaning
perfect; without any defects or faults; immaculate
Example
Her flawless performance earned her a standing ovation.
C2 verb /ˈstræɡəl/

straggle

Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
B2 noun /ˈteɪkˌɔːf/

takeoff

Meaning
The moment an aircraft leaves the ground and begins to fly; also a sudden rise or start in activity or success.
Example
The plane's takeoff was delayed due to bad weather.
C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
B1 noun /fəˈsɪl.ɪ.ti/

facility

Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
The facility was well-maintained.
C1 noun /ˈpærəˌlɛlɪzəm/

parallelism

Meaning
The state of being parallel or similar; in literature, the use of components in a sentence that are grammatically the same or similar in construction.
Example
The writer used parallelism to give rhythm to his prose.
C1 verb /ˈvɪktɪmaɪz/

victimize

Meaning
To make someone a victim, often by treating them unfairly or cruelly.
Example
The corrupt officials victimized the poor villagers.
B1 noun /ˈtɪʃ.uː/

tissue

Meaning
a piece of soft absorbent paper or fabric
Example
She used a tissue to wipe her nose.
C2 noun ˈsɒmnələns

somnolence

Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
C1 verb /ˈʌndərkʌt/

undercut

Meaning
to sell at a lower price than a competitor; to weaken or undermine something
Example
The company tried to undercut its rivals by offering lower prices.
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
C2 verb /fɔɪst/

foist

Meaning
To impose something unwelcome or unnecessary on someone.
Example
He tried to foist his old books onto his friends.
C1 adjective /ˈræb.ɪd/

rabid

Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
C2 verb /sleɪk/

slake

Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
A2 noun /mjuːˈzɪʃən/

musician

Meaning
a person who plays a musical instrument or is musically talented
Example
He is a talented musician.
B1 noun /ˈmɪlk.mæn/

Milkman

Meaning
a person who delivers milk to homes or businesses
Example
The milkman delivers fresh milk to our house every morning.
C2 noun /lɪˈvaɪəθən/

leviathan

Meaning
a huge sea monster or something very large and powerful.
Example
The ship looked like a leviathan on the horizon.
C2 verb /pɑːrtʃ/

parch

Meaning
to make something extremely dry, especially by exposure to heat
Example
The scorching sun began to parch the fields.
B2 adjective /ˈnuːkliər/

nuclear

Meaning
relating to the nucleus of an atom or to nuclear energy
Example
The country is developing nuclear energy.
C1 adjective /ˌniːoʊˈlɪθɪk/

neolithic

Meaning
Relating to the later part of the Stone Age, when ground or polished stone weapons and tools prevailed.
Example
Neolithic communities began practicing agriculture and domesticating animals.
C1 verb /uːz/

ooze

Meaning
to slowly flow or leak out through small openings or pores
Example
Blood began to ooze from the small cut.
B1 verb /sɪˈlekt/

select

Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
B2 verb /ˈpɪnpɔɪnt/

pinpoint

Meaning
to locate or identify something with precision
Example
The detective was able to pinpoint the exact location of the suspect.
C2 adjective ˌlæb.əˈrɪn.θaɪn

labyrinthine

Meaning
Like a labyrinth; complicated and confusing; having many interconnected paths or passages.
Example
The old city streets were labyrinthine.
C1 adjective ɪmˈpɛkəbl

impeccable

Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
B2 adjective /ˈwʊd biː/

Would-be

Meaning
prospective; intending to be; aspiring
Example
The would-be actor practiced his lines every day.
C1 adjective /bɪˈriːvd/

Bereaved

Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
C2 noun /dɪˈstreɪnər/

distrainor

Meaning
a person, usually a landlord, who seizes another's property for unpaid debt or rent
Example
The distrainor took possession of the tenant's car until the debt was cleared.
C2 noun /ˈsɛʃən/

cession

Meaning
The formal giving up of rights, property, or territory, especially by a state.
Example
The treaty resulted in the cession of land to the neighboring country.
B2 noun /ˈrɛfjuːdʒ/

refuge

Meaning
a place that provides shelter or protection from danger or distress
Example
The villagers took refuge in the temple during the storm.
B2 adjective /ˌdɪsəˈɡriːəbl/

disagreeable

Meaning
Unpleasant or offensive; causing discomfort or annoyance.
Example
The weather was cold and disagreeable.
C1 noun /ˈoʊ.mən/

Omen

Meaning
an event regarded as a sign of future good or bad luck
Example
Many people consider a black cat crossing your path a bad omen.
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
C1 verb /ˈɛnərˌdʒaɪz/

energize

Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.