hydrodynamics
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C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

Meaning
The branch of science concerned with the motion of fluids, especially liquids, and the forces acting on solid bodies immersed in fluids.
Example
Hydrodynamics is essential in designing efficient ship hulls.
C1 verb /əbˈzɒlv/

absolve

Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
C1 noun /rɪˈtrækʃən/

retraction

Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
B1 noun /ˈfɪkʃən/

fiction

Meaning
Literature created from the imagination, not presented as fact.
Example
She enjoys reading science fiction novels.
A2 verb /ˈstɑːtɪŋ/

starting

Meaning
beginning to do or experience something
Example
She is starting a new job next week.
C2 noun /ˈɑːrbər/

arbor

Meaning
a shady garden shelter formed by trees, climbing plants, or latticework
Example
They rested under the arbor covered with roses.
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 adjective /ˌen.təˈteɪ.nɪŋ/

Entertaining

Meaning
providing amusement or enjoyment; funny and engaging
Example
The comedian's performance was very entertaining and kept the audience laughing.
C1 noun prəˈpɛn.sə.ti

propensity

Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
B2 noun /ˈʒɑːn.rə/

genre

Meaning
a style or category of art, music, or literature
Example
Romance is her favorite genre of movies.
B2 noun /ˈspætʃ.ʊ.lə/

Spatula

Meaning
a kitchen utensil with a flat, flexible blade used for mixing, spreading, or lifting food
Example
I used a spatula to flip the pancakes in the pan.
C2 verb /ˈbɜːrnɪʃ/

burnish

Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
C1 noun /dɪˈskrep.ən.si/

discrepancy

Meaning
A lack of compatibility or similarity between two or more facts.
Example
The audit revealed a discrepancy between the reported earnings and actual income.
C1 noun səˈfɪʃənsi

sufficiency

Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
C1 noun /ˈsuːtər/

suitor

Meaning
a man who pursues a relationship with a woman, often with the intent to marry
Example
She had many suitors vying for her attention.
B2 noun /ˈɑːrm.pɪt/

Armpit

Meaning
the hollow area under the arm where it joins the shoulder
Example
He applied deodorant to his armpit.
C1 noun /ˈræp.tʃər/

rapture

Meaning
A feeling of intense joy, delight, or ecstasy.
Example
She listened to the music in rapture.
C2 adjective /ˈfer.əs/

ferrous

Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
B2 adjective /ˈnoʊ.ɪŋ/

Knowing

Meaning
showing awareness or understanding; perceptive; shrewd
Example
She gave him a knowing smile when he mentioned the secret.
B1 noun /ˈkɔːlɪˌflaʊər/

Cauliflower

Meaning
white vegetable with a compact head of undeveloped flower buds
Example
Roasted cauliflower makes a delicious and healthy side dish.
B2 adjective /kəʊˈhɪə.rənt/

coherent

Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.
B2 noun /ˈænθəm/

anthem

Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
C1 noun /ˈsɪmətri/

symmetry

Meaning
the quality of having balanced proportions or identical parts facing each other
Example
The building’s symmetry impressed the visitors.
B2 adjective /ˈmɛʒərd/

measured

Meaning
carefully considered and deliberate
Example
She spoke in a calm, measured tone.
B2 adjective ˈpeɪn.ləs

painless

Meaning
Not causing pain; involving little effort or stress.
Example
Modern methods ensure painless treatment.
C1 adjective /dʒuːˈdɪʃ.əl/

judicial

Meaning
relating to judges, courts, or the administration of justice
Example
The new law faced strong judicial review before implementation.
B1 adjective /ˌdɪs.əˈpɔɪn.tɪd/

Disappointed

Meaning
sad because something has not happened or is not as good as expected
Example
She was disappointed with her exam results.
B1 noun /striːm/

stream

Meaning
A small, narrow river; a continuous flow of something.
Example
The stream of life is unstoppable.
B2 adjective kənˈven.ʃən.əl

conventional

Meaning
Based on or in accordance with what is generally done or believed; traditional, standard, customary.
Example
Many farmers still use conventional farming methods.
C2 adjective /əˈsɪdjʊləs/

acidulous

Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
C1 noun /ˈpæl.ət/

Palate

Meaning
the roof of the mouth; a person's ability to distinguish between different flavors
Example
The chef created dishes to please every palate.
B1 adverb /ˈtɛmpərɛrɪli/

temporarily

Meaning
for a limited time; not permanently
Example
The road is closed temporarily for repairs.
C2 noun /ˈhɛptəˌɡɒn/

heptagon

Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
C2 adjective /səˈdʒɛstəbəl/

suggestible

Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
A1 adjective /ˈiː.vən/

Even

Meaning
flat and smooth; equal or uniform; level
Example
The surface was completely even and smooth.
B2 noun /ˈkɒl.ər/

Collar

Meaning
a band of material around the neck; in jewelry context, a close-fitting necklace
Example
She wore an elegant pearl collar to the formal dinner.
B2 noun /ˈpɛbl/

pebble

Meaning
a small smooth stone found on beaches or rivers
Example
He threw a pebble into the pond and watched the ripples.
B2 verb /nɒd/

nod

Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
B2 adverb /ˈklɒkwaɪz/

Clockwise

Meaning
in the direction that clock hands move; in a circular direction from left to right
Example
Turn the valve clockwise to tighten it.
B2 noun /ˈsteɪdiəm/

stadium

Meaning
a large structure with seating for sports, concerts, or other events
Example
Thousands of fans filled the stadium to watch the final match.
C2 noun /ˈæpəfθɛm/

apophthegm

Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
C2 noun /ˈbuːt.leɪs/

Boot-lace

Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
C1 adjective /dɪˈspɜːrst/

dispersed

Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
A2 adverb /əˈkrɒs/

Across

Meaning
from one side to the other side of something; in every part of a place
Example
The bridge stretches across the river.
B1 verb /kənˈvɪns/

convince

Meaning
to make someone believe or feel certain about something
Example
She convinced him to attend the meeting.
A2 noun /ˈθiːətər/

theater

Meaning
a building or area for dramatic performances
Example
We are going to the theater tonight.
C1 verb /daʊs/

douse

Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
A2 adjective, noun /dɛd/

dead

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

transcript

Meaning
a written or printed version of material originally presented in another medium
Example
The professor asked for a transcript of the meeting.
B2 adjective /ˈɔɪl.i/

Oily

Meaning
covered with oil; containing oil; greasy
Example
Her oily skin needs special care.
C2 verb /ɪˈreɪdieɪt/

irradiate

Meaning
to shine light on something; to expose to radiation; to illuminate or brighten
Example
The scientist used a lamp to irradiate the sample.
A2 adjective /ˈpaʊə.fəl/

powerful

Meaning
Having great power or strength.
Example
The James Webb Telescope is the most powerful space observatory.
A2 noun /ˈer.ər/

Error

Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
A2 noun /hɒt drɪŋk/

Hot-drink

Meaning
a warm or heated beverage consumed for refreshment or comfort
Example
I prefer a hot drink like tea or coffee in the morning.
A1 verb /mʌst/

must

Meaning
to be required or obligated to
Example
You must complete your homework before you go out.
C2 noun /ˈpɔl.zi/

Palsy

Meaning
paralysis, especially that which is accompanied by involuntary tremors; loss of muscle control
Example
The elderly man suffered from palsy in his hands.
C2 adjective /ˈɡloʊboʊs/

globose

Meaning
Spherical or nearly spherical in shape.
Example
The cactus has large globose fruits.
B2 noun /ˈkrɪtɪk/

critic

Meaning
A person who judges the merits of something, especially art or literature
Example
The film critic praised the director's latest movie.
B1 verb /ˈɛmfəˌsaɪz/

emphasize

Meaning
to give special importance or attention to something
Example
The teacher emphasized the importance of homework.
B2 adjective /ˈvʌl.ɡər/

Vulgar

Meaning
lacking sophistication or good taste; crude and offensive in language or behavior
Example
His vulgar language offended everyone at the dinner party.
A2 noun /ˈmʌʃ.ruːm/

Mushroom

Meaning
a type of fungus that can be eaten, often used in cooking
Example
The pizza was topped with fresh mushrooms.
B1 noun /ˈsɪɡ.nəl/

Signal

Meaning
a gesture, action, or sound that conveys information or instruction
Example
The traffic signal turned red, so we stopped.
B2 verb /əˈkjuːmjəleɪt/

accumulate

Meaning
to gather or collect things gradually over time
Example
She managed to accumulate a small fortune through wise investments.
B1 adjective /ˈɡɪl.ti/

Guilty

Meaning
having committed a crime or offense; feeling responsible for wrongdoing
Example
She felt guilty about lying to her parents.
C1 noun /kəmˈpəʊ.ʒər/

composure

Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
A1 noun /biːtʃ/

beach

Meaning
An area of sand or small stones beside the sea or a lake.
Example
They spent the day relaxing on the beach.
B2 noun /ˈfer.i boʊt/

Ferry-boat

Meaning
a boat that carries passengers and vehicles across water
Example
We took the ferry-boat to cross the river.
B2 noun /ˈdaʊn.fɔːl/

Downfall

Meaning
a loss of power, prosperity, or status; the cause of such a loss
Example
His arrogance and pride led to his eventual downfall in business.
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
C2 noun /ɡriːn pəˈpaɪə/

Green Papaya

Meaning
unripe papaya fruit used as a vegetable in cooking, especially in Asian cuisine
Example
Green papaya salad is a popular dish in Thai cuisine.
B1 noun /kənˌɡrætʃəˈleɪʃən/

congratulation

Meaning
an expression of praise or joy for someone’s achievement or good fortune
Example
She sent a congratulation to her friend on winning the award.
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
B1 noun ˈkæn.dɪ.deɪts

candidates

Meaning
A person who applies for a job or is nominated for election; someone being considered for a position.
Example
Candidates undergo a rigorous selection process.
C2 noun /ˈdɪktəm/

dictum

Meaning
A formal pronouncement, authoritative statement, or maxim.
Example
The judge’s dictum clarified the principle of equality before the law.
B2 noun /træŋˈkwɪl.ɪ.ti/

tranquillity

Meaning
the state of being calm, peaceful, and free from disturbance
Example
She enjoyed the tranquillity of the countryside after years in the 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 verb /tɛmpt/

tempt

Meaning
to entice or attract someone to do something, often something wrong or unwise
Example
The smell of fresh bread tempted him to enter the bakery.
B1 noun /ˈpraɪ.və.si/

Privacy

Meaning
the state of being alone and not watched or disturbed by other people; the right to keep your personal information secret
Example
Everyone has the right to privacy.
A2 noun /ˈnɒl.ɪdʒ/

knowledge

Meaning
Facts, information, and skills acquired through experience or education.
Example
Knowledge of the universe is expanding through research.
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.
C2 noun /fækˈsɪmɪli/

facsimile

Meaning
an exact copy or reproduction of a document
Example
He sent a facsimile of the contract to the client.
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
A1 verb /wɪn/

win

Meaning
to be successful or victorious in a contest or competition
Example
Our team will win the championship.
C1 noun /ˌsæl.jʊˈteɪ.ʃən/

Salutation

Meaning
a greeting; an expression of goodwill
Example
The letter began with a formal salutation.
C1 verb /rɪˈmɪt/

remit

Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
B1 noun /bɑːn/

barn

Meaning
a large building used for storing grain or housing farm animals
Example
The farmer keeps his cows in the barn.
B2 adjective /ʌnˈfeɪθ.fəl/

Unfaithful

Meaning
not loyal or true to a spouse, partner, or commitment
Example
He was unfaithful to his wife for many years.
C1 adjective /səˈriːn/

serene

Meaning
Calm, peaceful, and untroubled; tranquil.
Example
The lake had a serene and peaceful atmosphere.
B2 verb /tæp/

tap

Meaning
to strike something lightly, usually with a quick, sharp sound
Example
He tapped on the door to get her attention.
C1 noun /ˈmaɪzər/

miser

Meaning
A person who hoards wealth and spends as little money as possible.
Example
The old miser refused to donate even a penny to charity.
B2 noun əˈsʌmp.ʃənz

assumptions

Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
C1 noun /nɑːrˈkɒtɪk/

narcotic

Meaning
A drug that dulls the senses and relieves pain, often causing sleep and sometimes addiction.
Example
The police seized a large amount of narcotic substances.
B2 noun /ˈvæljuː ˌprɒpəˈzɪʃən/

value proposition

Meaning
A statement that explains the unique benefits or value that a product or service offers to customers.
Example
A clear value proposition attracts more customers.
A2 adverb /ˈbæk.wərdz/

Backwards

Meaning
in the direction that is behind; in reverse order
Example
He counted backwards from ten to one.
C2 noun /ˈfɜːrðərəns/

furtherance

Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
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.
B1 verb /əˈtʃiːv/

achieve

Meaning
to successfully bring about or reach a desired goal or result
Example
She worked hard to achieve her dream of becoming a doctor.
B2 adjective /ʌnˈwel.kəm/

Unwelcome

Meaning
not wanted or accepted; not invited or pleasant
Example
The unwelcome news ruined their vacation plans.
C2 adjective /ˈɡɔːki/

gawky

Meaning
Awkward and clumsy in appearance or behavior.
Example
The teenager felt gawky in his oversized suit.
C2 adjective /ˈdɪsənənt/

dissonant

Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
C1 noun/verb /ˈslʌmbər/

slumber

Meaning
A state of sleep; to sleep lightly or rest.
Example
The child slumbered peacefully through the night.
C2 adjective /dɪˈlɛktəbl̩/

delectable

Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
C2 adjective /rɪˈfʌldʒənt/

refulgent

Meaning
Shining brightly; radiant.
Example
The refulgent sun lit up the entire valley.
A2 noun /ˈbɪznəsˌwʊmən/

businesswoman

Meaning
a woman who works in business, especially one who owns or manages a company
Example
The businesswoman expanded her company into international markets.
C1 adjective, noun /ˈkɔːrpərəl/

corporal

Meaning
relating to the body; a low-ranking officer in the military
Example
He suffered a corporal punishment for his mistake.
B2 adverb /ɪmˈpɔːtəntli/

importantly

Meaning
in a way that is of great significance or value
Example
Importantly, the report highlights the need for immediate action.
C1 adjective /ˈdɔːr.mənt/

Dormant

Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
C1 adjective /ɪnˈses.ənt/

incessant

Meaning
Continuing without pause or interruption; constant.
Example
The incessant noise from the construction site made it hard to concentrate.
A1 adverb /ˈmeɪbi/

maybe

Meaning
used to express possibility or uncertainty
Example
Maybe we will go to the park tomorrow.
C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
C1 noun, verb /ˈtætər/

tatter

Meaning
A torn piece of cloth or clothing; to become ragged or torn.
Example
The old flag hung in tatters after the storm.
C2 noun /ɡæf/

gaff

Meaning
A social blunder or mistake; also a hook or device used in fishing or theater.
Example
He made a major gaff during the meeting by forgetting the client's name.
B1 noun /beɪkt miːt/

Baked meat

Meaning
meat that has been cooked in an oven using dry heat
Example
The baked meat was tender and flavorful.
C1 adjective /ˈtʌtʃi/

Touchy

Meaning
easily upset or offended; overly sensitive
Example
He's very touchy about his height.
C1 noun /ˈɛksələnsɪ/

excellency

Meaning
a title of honor for people of high rank, especially ambassadors or governors
Example
His Excellency the Ambassador attended the ceremony.
C1 noun /ˈmɑːrtərdəm/

Martyrdom

Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
C2 noun /ˈtɛsteɪtər/

testator

Meaning
a person who has made a will
Example
The lawyer read the will of the deceased testator.
B2 noun ˈəʊ.və.hed

overhead

Meaning
Ongoing business expenses not directly attributable to creating a product or service.
Example
The company reduced its overhead to increase profits.
B1 noun /ˌæplɪˈkeɪʃən/

application

Meaning
a formal request for something; the act of putting something into operation; or a software program
Example
She submitted her application for the scholarship.