aerodynamics
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C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
B1 adverb /ˈkɒnstəntli/

Constantly

Meaning
continuously over a period of time; always; without stopping
Example
The baby was constantly crying throughout the night.
C1 noun /pɪˌdɛs.tri.ə.naɪˈzeɪ.ʃən/

pedestrianization

Meaning
Making areas pedestrian-friendly, closing any area to vehicle traffic and making it open only for pedestrians.
Example
The pedestrianization of city centers reduces pollution.
C1 verb /ˌdiːˈbʌŋk/

debunk

Meaning
Expose the falseness or hollowness of (a myth, idea, or belief).
Example
Scientists debunked the myth that vaccines cause autism.
C1 noun /ˈmæntl̩/

mantle

Meaning
A cloak or covering; also the layer of the earth between the crust and the core.
Example
The leader assumed the mantle of responsibility.
B1 noun /ˌdɛmənˈstreɪʃən/

demonstration

Meaning
the act of showing something clearly, or a public protest
Example
The workers organized a demonstration for better wages.
B1 noun /rɪˈleɪ.ʃən/

Relation

Meaning
the way in which two or more people or things are connected; a family member
Example
They have a strong business relation that has lasted for years.
B2 noun /ˈet.ɪ.kət/

Etiquette

Meaning
the customary code of polite behavior in society or among members of a particular profession
Example
Proper etiquette requires standing when a lady enters the room.
C2 adjective /səˈleɪʃəs/

salacious

Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
B2 adjective /ˈdʒɒli/

jolly

Meaning
Full of good humor and cheerfulness.
Example
The children were in a jolly mood at the party.
A1 adjective /fjuː/

few

Meaning
A small number of; not many.
Example
Only a few students attended the class.
C1 noun ˈaʊt.sɔːr.sɪŋ

outsourcing

Meaning
The practice of having certain job functions done outside a company instead of having an in-house department or employee handle them.
Example
Many companies use outsourcing to reduce labor costs.
A2 noun /skɪlz/

skills

Meaning
The ability to do something well; expertise.
Example
Learning new skills can increase personal and professional growth.
C2 adjective /ˈkwɛrʊləs/

querulous

Meaning
Complaining in a whining or irritable manner.
Example
The querulous customer kept finding fault with every detail.
B2 noun /ˈhaɪdrədʒən/

hydrogen

Meaning
a colorless, odorless, highly flammable gas that is the lightest and most abundant chemical element in the universe
Example
Hydrogen is used as a clean fuel in many energy systems.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
C2 verb /ˈmæsəˌreɪt/

macerate

Meaning
to soften or break up something, especially food, by soaking in liquid
Example
The chef macerated the fruit in wine before serving.
C2 verb /ˈprɑː.məl.ɡeɪt/

promulgate

Meaning
To announce or make a law, decree, or idea officially known.
Example
The government promulgated new regulations on data privacy.
A2 adverb /ˈrɑː.ðər/

Rather

Meaning
to some extent; instead; preferably
Example
I would rather stay home than go to the party.
C1 verb /kənˈdəʊn/

condone

Meaning
To accept or allow behavior that is morally wrong or offensive.
Example
The manager refused to condone harassment in the workplace.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
C1 adjective /ˈneɪzl/

nasal

Meaning
Relating to the nose; a sound produced through the nose.
Example
He spoke with a nasal voice due to his cold.
B2 noun ˈʃeɪdɪd ˈɛəriə

shaded area

Meaning
An area that is protected from direct sunlight.
Example
We sat in a shaded area by the riverbank.
B2 noun prəˈdʒɛk.ʃən

projection

Meaning
The strength and range of voice when speaking.
Example
Proper projection ensures that every listener hears clearly.
C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
B2 verb /hɔːlt/

halt

Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
B1 noun /lenz/

lens

Meaning
a curved piece of glass or plastic that makes things look clearer or larger when you look through it
Example
He cleaned the camera lens before taking the picture.
B1 noun /eɪdz/

aids

Meaning
Acquired Immune Deficiency Syndrome, a disease of the immune system caused by HIV
Example
AIDS is a major global health concern.
C1 adjective ˈsek.tər spəˈsɪf.ɪk

sector-specific

Meaning
Relating to or designed for a particular sector or industry.
Example
Sector-specific policies attract targeted investments.
B1 verb kənˈsjuːmz

consumes

Meaning
Use up (a resource); eat, drink, or ingest (food or drink).
Example
An individual consumes around 20 kg of plastic annually.
C1 noun /ˈpʌntʃ laɪn/

punch line

Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
B1 verb /kənˈvɜːrt/

convert

Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
C2 noun /ˈtɒnʃər/

tonsure

Meaning
the practice of shaving or cutting the hair on the scalp, especially in a religious context
Example
The monk received his tonsure as part of his religious initiation.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
C1 noun /noʊˈbɪl.ə.ti/

Nobility

Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
C2 noun /ˈæntɪk/

antic

Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
B2 noun /ˈbɛərɪŋ/

bearing

Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

Meaning
causing inflammation in the body; arousing anger, hostility, or strong emotion
Example
His inflammatory speech triggered protests across the city.
B2 noun /ˈɡæm.blər/

Gambler

Meaning
a person who gambles regularly, typically someone who cannot resist the urge to gamble
Example
The experienced gambler knew when to fold his cards and when to bet big.
B2 noun ˈfreɪm.wɜːks

frameworks

Meaning
A basic structure underlying a system, concept, or text; an essential supporting structure.
Example
Frameworks define the basis of systems.
C1 noun /skwɔːl/

squall

Meaning
a sudden violent gust of wind, often accompanied by rain, snow, or sleet
Example
A sudden squall caught the sailors off guard.
A2 noun /tʌŋ/

Tongue

Meaning
the muscular organ in the mouth used for tasting, speaking, and swallowing; a language
Example
The doctor asked him to stick out his tongue for examination.
C2 adjective /ˌʌn.rɪˈdʒɛn.ər.ət/

unregenerate

Meaning
Not reformed or showing no signs of change; stubbornly refusing to reform or repent.
Example
He remained an unregenerate opponent of progress.
C2 verb /ɪˈvɜːrt/

evert

Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
C1 noun ˈæf.lu.əns

affluence

Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
C2 adjective /ˈwɪspi/

wispy

Meaning
Thin, delicate, and weak in appearance or form.
Example
Her wispy hair blew gently in the breeze.
B2 adjective /ɪˈkwɪv.ə.lənt/

Equivalent

Meaning
equal in value, amount, function, or meaning; having the same effect or result
Example
This amount is equivalent to ten dollars.
A2 noun /ˈprɛzɪdənt/

president

Meaning
the elected head of a republican state
Example
The president addressed the nation last night.
C2 noun /ˈæltruɪst/

altruist

Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
C1 adjective əʊˈpeɪk

opaque

Meaning
Not able to be seen through; not transparent; difficult to understand.
Example
The glass was too opaque to see through.
C1 verb /ˌkaʊntərˈbæləns/

counterbalance

Meaning
to offset or balance the effect of something
Example
Exercise can counterbalance the negative effects of stress.
C2 verb /bɪˈhuːv/

behoove

Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
B2 adverb /ˈden.sli/

densely

Meaning
In a closely compacted or crowded manner.
Example
The area is densely covered with trees.
A2 noun ˈɡeɪ.mɪŋ

gaming

Meaning
The practice of playing video games or competitive games.
Example
Gaming has evolved into a billion-dollar industry.
A2 noun /ˈpækɪdʒ/

package

Meaning
a container or wrapping in which something is packed
Example
He received a package in the mail.
B2 noun /ˈwɜːrkˌfɔːrs/

workforce

Meaning
the people engaged in or available for work
Example
The company is looking to expand its workforce by 20%.
B2 adjective /ˈdæz.lɪŋ/

Dazzling

Meaning
extremely bright and impressive; brilliant and stunning
Example
The dazzling lights of the city amazed the tourists.
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

Meaning
a formal test of knowledge or ability
Example
She is preparing for her final examination.
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.
C2 noun /pəˈtruːn/

poltroon

Meaning
a cowardly person
Example
He acted like a poltroon during the crisis.
B2 noun /ˈpaɪ.rət/

Pirate

Meaning
a person who attacks and robs ships at sea; someone who uses or reproduces copyrighted material illegally
Example
The pirate ship was spotted near the coast.
B2 adjective haɪˈdʒiː.nɪk

hygienic

Meaning
Conducive to maintaining health and preventing disease, especially by being clean.
Example
Maintaining hygienic conditions in hospitals is crucial.
C1 adjective /ˈflʌstərd/

flustered

Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
C1 adjective /əˈtrəʊ.ʃəs/

Atrocious

Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
C2 noun /ˌpærəˈɡɔːrɪk/

paregoric

Meaning
a medicine containing opium, once used to relieve pain and diarrhea
Example
Doctors once prescribed paregoric to treat diarrhea in children.
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
C2 verb /frɪz/

frizz

Meaning
to form into small, tight curls or cause hair to become fuzzy and tangled
Example
The humid weather caused her hair to frizz.
C2 noun /wɛlt/

welt

Meaning
A raised mark on the skin, usually from a blow or allergic reaction.
Example
He had a red welt on his arm after the bee sting.
B2 adjective /ˈkaʊntləs/

countless

Meaning
too many to be counted; innumerable
Example
There are countless stars in the sky.
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.
C2 noun /bɑːrd/

bard

Meaning
a poet, traditionally one reciting epics and associated with oral traditions
Example
Shakespeare is often called the Bard of Avon.
A2 verb /ɪnˈvaɪt/

invite

Meaning
to ask someone to come to an event or to do something
Example
We should invite all our friends to the party.
C2 adjective /pɪˈskætɔːrɪəl/

piscatorial

Meaning
relating to fishing or fishermen
Example
He has a deep knowledge of piscatorial techniques and fish species.
A1 noun /mæn/

man

Meaning
an adult human male
Example
The man helped the child cross the street.
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 adjective /ˌmɛtəˈlɜrdʒɪkəl/

metallurgical

Meaning
Relating to metallurgy or the branch of science concerned with the properties of metals and their production.
Example
He studied metallurgical engineering at the university.
C1 noun /ɪmˈbɛzlmənt/

embezzlement

Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
B2 noun /ˈkæt fɪʃ/

Cat fish

Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
C2 adjective /ˈsɛpərəbəl/

separable

Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
B2 noun /ˈpaɪ.rə.si/

Piracy

Meaning
the practice of attacking and robbing ships at sea; the unauthorized use or reproduction of copyrighted material
Example
Software piracy costs companies billions of dollars annually.
C2 noun /bɛl/

belle

Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
B2 noun /ˈspəʊkspɜːrsən/

spokesperson

Meaning
a person who speaks on behalf of others or an organization
Example
The spokesperson addressed the press conference on behalf of the company.
C1 adjective /ˈdeɪnti/

dainty

Meaning
Delicately small, pretty, and often considered elegant.
Example
She wore a dainty necklace made of pearls.
B1 noun /ˈfɑːrməsi/

pharmacy

Meaning
A place where medicinal drugs are prepared and sold.
Example
I went to the pharmacy to buy antibiotics.
B2 adverb /ˈkrɪtɪkli/

critically

Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
B1 adjective /ˌɛdjuˈkeɪʃənl/

educational

Meaning
Relating to the provision of education or having an educative effect.
Example
The journey was an educational experience.
B2 verb /ɪkˈsiːd/

exceed

Meaning
to go beyond a limit or expectation
Example
The athlete exceeded everyone's expectations by winning the gold medal.
C1 noun /ˈkruːsɪbəl/

crucible

Meaning
a severe test or trial; a container used for heating substances to very high temperatures
Example
The team emerged stronger from the crucible of competition.
A2 adverb /ˈlaʊdli/

loudly

Meaning
in a way that produces a lot of sound; with a high volume
Example
He spoke loudly so everyone in the room could hear him.
B2 adjective /ˈhoʊmli/

Homely

Meaning
simple and comfortable; unpretentious; plain in appearance; cozy and familiar
Example
She enjoyed the homely atmosphere of the small café.
C1 noun ˈdɛf.ər.əns

deference

Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
C2 verb /dɪsˈkaʊntənəns/

discountenance

Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
B2 adjective /ˈæm.pəl/

Ample

Meaning
large in size, extent, or capacity; plentiful; more than enough
Example
We have ample time to finish the project before the deadline.
B2 noun ˈhæbɪtæt lɒs

Habitat Loss

Meaning
The destruction or disappearance of natural environments where organisms live.
Example
Habitat loss is one of the biggest threats to butterflies.
C2 adjective /ˈfʌŋɡəs/

fungous

Meaning
relating to or resembling a fungus
Example
The damp basement had a fungous smell.
B2 noun /ɡloʊb/

Globe

Meaning
a spherical or rounded object; the earth; a spherical model of the earth
Example
The teacher used a globe to show the students the locations of different countries.
C2 adjective /ˈɒpjʊlənt/

opulent

Meaning
Ostentatiously rich, luxurious, or lavish.
Example
They hosted an opulent wedding with gold decorations.
A2 adjective /ˌwelˈnoʊn/

well-known

Meaning
known by many people; famous or recognized
Example
He is a well-known actor in his country.
C1 noun /ˈweɪs(t).koʊt/

waistcoat

Meaning
a sleeveless garment worn over a shirt and under a jacket
Example
He wore a black waistcoat with his suit.
A2 noun /hɔːl/

Hall

Meaning
a large room for meetings, concerts, or other events; a corridor in a building
Example
The graduation ceremony was held in the main hall of the university.
A2 noun /ˈɒbdʒɪkt/

object

Meaning
a thing that can be seen and touched
Example
The table is an object in the room.
C1 adjective /rɪˈvenʒ.fəl/

Revengeful

Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
C1 noun /ˌʌnbɪˈliːf/

Unbelief

Meaning
lack of religious belief; skepticism or doubt
Example
His unbelief in the supernatural made him a skeptic.
B2 noun /kɜːrd/

Curd

Meaning
a white dairy product made by coagulating milk; yogurt
Example
She added fresh curd to the salad for a tangy flavor.
C1 verb /trænˈspaɪər/

transpire

Meaning
to occur, happen, or become known
Example
It transpired that he had lied about his age.
B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

Meaning
A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
Example
Chronic inflammation can lead to severe diseases.
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
B2 adjective /slaɪ/

sly

Meaning
Clever in a deceitful or cunning way.
Example
She gave him a sly smile.
C1 noun /ɪmˈpɛd.ɪ.mənt/

impediment

Meaning
A hindrance or obstruction in doing something; something that prevents progress.
Example
Lack of funds is a major impediment to the project.
A2 verb /ˈɔːfər/

offer

Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
B2 noun /ˈsɑːrˌkæzəm/

sarcasm

Meaning
The use of irony to mock or convey contempt.
Example
His sarcasm often made people laugh but sometimes offended them.
B1 adjective /ɪkˈspɛktɪd/

expected

Meaning
Regarded as likely to happen; anticipated or predicted.
Example
The unemployment rate is expected to decline further.
A1 noun/verb /fɪʃ/

fish

Meaning
an aquatic animal with gills, or to try to catch such animals
Example
He went to the lake to fish early in the morning.
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
A2 adjective /sɪk/

Sick

Meaning
unwell; having a disease or illness; feeling nauseous
Example
She stayed home from work because she was feeling sick.
C2 noun /kəˈbɑːdi/

kabadi

Meaning
a person who collects and sells scrap or recyclable materials, especially in South Asia
Example
The kabadi came every week to collect old newspapers and bottles.