efficient
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B1 adjective ɪˈfɪʃ.ənt

efficient

Meaning
Working in a well-organized way; competent and effective in performance.
Example
Efficient farming methods improve yields.
A2 noun /ˈheəkʌt/

haircut

Meaning
the act or style of cutting hair
Example
I got a haircut before the wedding.
B2 adjective /ˈprɛf(ə)rəb(ə)l/

preferable

Meaning
more desirable or suitable; better than something else
Example
It is preferable to take the train rather than drive in heavy traffic.
C2 noun /buːb/

boob

Meaning
a foolish or clumsy person; an informal and sometimes rude term for a woman's breast
Example
He felt like a complete boob after forgetting the meeting.
C1 adjective /ˈɪntrɪkət/

intricate

Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
B2 verb ˈel.ɪ.veɪt

elevate

Meaning
To lift to a higher position; to raise to a more important or impressive level.
Example
Good leadership can elevate team performance.
B2 noun ˈmɪdl klæs

middle-class

Meaning
The social group between the upper and working classes, typically consisting of well-educated people.
Example
The middle-class was largely affected by the decision.
A2 noun /ˈplen.ti/

Plenty

Meaning
a large or sufficient amount; abundance
Example
There is plenty of food for everyone at the party.
A1 pronoun /ˈʌðərz/

others

Meaning
people or things distinct from the ones already mentioned or known
Example
I like to spend time with others.
A1 adverb /ˈɔːlsoʊ/

also

Meaning
in addition; too
Example
She sings beautifully and also plays the guitar.
C1 noun /ˈvɜːrtɛks/

vertex

Meaning
The highest point; the top or the apex.
Example
The climber reached the vertex of the mountain.
B2 noun prəˈsiːdɪŋz

proceedings

Meaning
An event or a series of activities involving a formal or set procedure.
Example
The proceedings discussed language issues.
C2 adjective /ˈtæsɪtɜrn/

taciturn

Meaning
reserved or uncommunicative in speech; saying little
Example
He was a taciturn man who rarely spoke in meetings.
B1 adverb /pɑːrˈtɪkjʊləli/

particularly

Meaning
to a higher degree than is usual or expected
Example
She is particularly fond of Italian food.
C1 noun /ˈfɔːreɪ/

foray

Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
B2 noun /ˌdɪstrɪˈbjuːʃən/

distribution

Meaning
the act of sharing or delivering something to multiple people or places
Example
The company manages the distribution of food supplies to rural areas.
A1 noun /eər/

Air

Meaning
the invisible gaseous substance surrounding the earth; a mixture mainly of oxygen and nitrogen
Example
Fresh air is essential for good health.
B2 noun /ˈklær.ɪ.ti/

clarity

Meaning
The quality of being coherent and intelligible; transparency or lucidity.
Example
The speaker's clarity made the concept easy to understand.
A2 noun /sɔːlt/

Salt

Meaning
white crystalline substance used for seasoning food; sodium chloride
Example
Please add some salt to the soup to enhance its flavor.
B2 adjective /ˈwɪəri/

Weary

Meaning
feeling or showing extreme tiredness; tired and lacking energy
Example
She felt weary after working twelve hours straight.
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
B2 adverb /ʌnˈplɛzəntli/

unpleasantly

Meaning
in a way that causes discomfort, annoyance, or displeasure; in an unfriendly or disagreeable manner
Example
The room was unpleasantly hot during the afternoon.
C1 adjective /ˈspjʊəriəs/

spurious

Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
C1 adverb /ʌnˈnætʃrəli/

unnaturally

Meaning
in a way that is not natural or normal; excessively or strangely
Example
He smiled unnaturally, making everyone feel uncomfortable.
C1 noun /ˈkwɔːrəm/

quorum

Meaning
The minimum number of members needed to conduct official business in a meeting.
Example
The board meeting was postponed because there was no quorum.
C2 noun ˌsaɪ.bəˈnet.ɪks

cybernetics

Meaning
The science of communications and automatic control systems in both machines and living things.
Example
Cybernetics plays a crucial role in artificial intelligence.
C2 noun /kænt/

cant

Meaning
Hypocritical and insincere talk, especially about moral or religious principles.
Example
The politician's speech was filled with cant about honesty and integrity.
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.
A2 noun ˈhɪrəʊ

hero

Meaning
A person who is admired or idealized for courage, outstanding achievements, or noble qualities.
Example
Sydney Carton becomes the ultimate hero through his sacrifice.
B2 noun bækˈtɪə.ri.ə

bacteria

Meaning
A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus.
Example
Specialized bacteria aid in waste decomposition.
C1 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
B2 noun, adjective /prɪˈmɪər/ or /ˈpriːmiər/

premier

Meaning
the head of government in some countries; first in importance or rank
Example
The French premier addressed the nation.
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
A1 noun /bæk/

Back

Meaning
the rear surface of the human body from the shoulders to the hips; the spine
Example
She hurt her back while lifting heavy boxes.
C1 noun /ˈnɑv.ɪs/

Novice

Meaning
a person new to or inexperienced in a field or situation; a beginner
Example
As a novice driver, she was very careful on the road.
B1 noun /træm kɑːr/

Tram car

Meaning
An electric vehicle that runs on rails along the street
Example
The tram car stopped at every station in the city center.
C1 noun /ˈkɔːrdən/

cordon

Meaning
a line or circle of police, soldiers, or guards preventing access
Example
The police set up a cordon around the crime scene.
C1 adjective, noun /ˈkeɪnaɪn/

canine

Meaning
Relating to dogs; also refers to the pointed teeth in humans and animals
Example
The police trained a canine unit for search operations.
B1 verb /pɑːrˈtɪsɪpeɪt/

participate

Meaning
to take part in or become involved in an activity
Example
Students are encouraged to participate in extracurricular activities.
A1 noun /bʌs/

Bus

Meaning
a large motor vehicle carrying passengers by road
Example
I take the bus to work every morning.
B2 noun /ˌep.ɪˈdem.ɪk/

Epidemic

Meaning
a widespread occurrence of an infectious disease in a community
Example
The flu epidemic affected thousands of people across the country.
B2 noun kəˈmɪʃ.ən

commission

Meaning
An official group of people entrusted by a government with a particular function.
Example
The commission recommends constitutional reforms.
A2 adjective /wiːk/

Weak

Meaning
lacking physical strength; not strong; fragile
Example
After the illness, he felt weak and tired.
C2 noun /ˈbrɪɡ.ənd/

brigand

Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
A2 noun /ˈklɑːsmeɪt/

classmate

Meaning
a person who is in the same class or course of study as another
Example
I met one of my old classmates at the university event.
C1 noun /ˌɪnkjʊˈbeɪʃən/

incubation

Meaning
the process of keeping eggs, cells, or organisms in the right conditions for development
Example
The incubation of the eggs lasted for three weeks.
B2 verb /hɔːlt/

halt

Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
A2 noun /ˈɒpərə/

opera

Meaning
a dramatic performance in which the actors sing most of their lines
Example
We watched a beautiful opera at the theater last night.
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
C1 noun /krɛst/

crest

Meaning
the top of a hill, wave, or mountain; a symbol of identity
Example
The hikers reached the crest of the mountain at sunrise.
C1 verb /ˈɪnfɪltreɪt/

infiltrate

Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
C2 noun /ˈkær.ə.weɪ siːdz/

Caraway seeds

Meaning
aromatic seeds of the caraway plant used as a spice in cooking and baking
Example
The bread was flavored with caraway seeds.
C2 adjective /ˈkæloʊ/

callow

Meaning
Inexperienced and immature.
Example
The callow intern made several mistakes on his first day.
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
A2 noun /ˈsɒftweə/

software

Meaning
the programs and other operating information used by a computer
Example
He installed the software to enhance the performance of his computer.
C2 verb /dʒɛˈstɪkjʊleɪt/

gesticulate

Meaning
to use gestures, especially dramatic ones, instead of speaking or to emphasize one's words
Example
He gesticulated wildly to get their attention.
C1 /ˈdʒɛtɪsən/

jettison

Meaning
to throw or drop something from a ship, aircraft, or vehicle to lighten the load; to abandon something no longer wanted
Example
The crew had to jettison cargo to save the sinking ship.
B2 adjective /ˈspeɪ.ʃəs/

Spacious

Meaning
having a lot of space; roomy and comfortable
Example
The house has a spacious living room with high ceilings.
B1 adjective /ˈkɔːʃəs/

cautious

Meaning
careful to avoid potential problems or dangers
Example
She was cautious about trusting strangers.
C2 adjective /ˈoʊ.pən ˈhæn.dɪd/

Open-handed

Meaning
Generous; liberal; giving freely;
Example
He is very open-handed with his money and always helps those in need.
C1 noun /ˈblʌdˌbæθ/

bloodbath

Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
C2 noun /ˈklɔɪstər/

cloister

Meaning
a covered walk in a convent, monastery, or cathedral, typically with a wall on one side and a colonnade open to a quadrangle on the other.
Example
The monks walked silently through the cloister.
C2 noun /ˈkloʊtʃər/

cloture

Meaning
a procedure for ending a debate and taking a vote.
Example
The Senate invoked cloture to end the lengthy debate.
B2 noun ˈrɛvənuː

revenue

Meaning
Income, especially when of a company or organization.
Example
The company's revenue grew by 10% this year.
B2 adjective ˈsiːm.ləs

seamless

Meaning
A process or service that works without any interruption.
Example
A seamless checkout process improves user satisfaction.
C1 adjective /ɪˈnæmərd/

enamored

Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
B2 verb /dwel/

dwell

Meaning
to live in a place; to think about something for a long time
Example
They dwell in a small cottage by the lake.
B2 noun /meɪz/

Maze

Meaning
A network of paths designed as a puzzle; a confusing situation
Example
The children got lost in the corn maze at the harvest festival.
B2 noun helθ ˈhæzərdz

health hazards

Meaning
Risks or dangers to physical health and well-being that can cause illness or injury.
Example
Plastic usage leads to significant health hazards.
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
C1 verb /ˈtɛðər/

tether

Meaning
To tie an animal with a rope or chain so it cannot move far.
Example
The farmer tethered the goat to a post.
C2 adjective /ˈsætərˌnaɪn/

saturnine

Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
C1 noun /məˈtɪəriəlɪzəm/

Materialism

Meaning
A tendency to consider material possessions more important than spiritual values
Example
The rise of materialism in modern society concerns many philosophers.
B2 verb /ˌmɪsˈjuːz/

misuse

Meaning
To use something incorrectly or for the wrong purpose.
Example
Misusing social media profiles can harm relationships.
B1 noun/verb /əˈwɔːrd/

award

Meaning
a prize or recognition given for an achievement; to give a prize or recognition
Example
She received an award for her outstanding performance.
C1 adjective /rɪˈdʌn.dənt/

redundant

Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
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.
C1 noun /ˈprɒmɪnəns/

prominence

Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
C1 noun ˌɪndɪˈspensəbl̩ ˈkɒmpɪtənsi

indispensable competency

Meaning
Essential skill or ability that cannot be done without; a crucial capability that is absolutely necessary.
Example
Digital literacy is an indispensable competency in the 21st century.
C1 adjective /ˈvɪskəs/

viscous

Meaning
Having a thick, sticky consistency between solid and liquid.
Example
Honey is a viscous liquid that flows slowly.
B2 noun /ˈkɑːmpaʊnd/

compound

Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
B2 verb /ɪkˈspɛl/

expel

Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
C2 adjective /ˌæntɪməˈrɪdiən/

antemeridian

Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
B2 noun /ˈʒɑːn.rə/

genre

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

sneeze

Meaning
to expel air involuntarily from the nose and mouth due to irritation; the act of sneezing
Example
I had to sneeze during the meeting.
C2 verb /ˈkævəl/

cavil

Meaning
to make petty or unnecessary objections
Example
She caviled at every detail of the plan.
C2 noun /neɪv/

nave

Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
C2 adjective /ˈprɒɡnəθəs/

prognathous

Meaning
Having jaws that project forward beyond the rest of the face.
Example
The fossil displayed a distinctly prognathous skull structure.
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
C1 adjective /ˈdɪs.ə.plɪ.ner.i/

Disciplinary

Meaning
relating to discipline; intended to correct behavior
Example
The company took disciplinary action against the employee.
C2 noun /ˌvɑːljəˈbɪləti/

volubility

Meaning
The quality of talking fluently, readily, or incessantly.
Example
His volubility made him a successful radio host.
C2 noun /ˌrɛprəˈbeɪʃən/

reprobation

Meaning
Strong disapproval or condemnation; rejection by God as beyond salvation.
Example
The teacher’s face showed clear reprobation at the student’s rude remark.
B2 noun /ˈlɪtə(r)/

liter

Meaning
a metric unit of volume equal to one cubic decimeter
Example
The recipe calls for two liters of water.
A2 noun ˈbræntʃɪz

Branches

Meaning
A part of a tree that grows out from the trunk or from a bough.
Example
Family tree branches show the relationship between family members.
C1 verb /ˈtrɪkl̩/

trickle

Meaning
To flow or fall in a small, slow stream or drops.
Example
Water began to trickle down the wall after the heavy rain.
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

Meaning
the act of gradually intruding or taking over someone’s rights, land, or space
Example
The villagers protested against the encroachment on their farmland.
A2 noun ˌedʒ.ʊˈkeɪ.ʃən

education

Meaning
The process of receiving or giving systematic instruction, especially at a school or university.
Example
Quality education is key to progress.
B2 adjective /hɑːˈspɪtəbəl/

Hospitable

Meaning
friendly and welcoming to strangers or guests; generous in receiving guests
Example
The local people were very hospitable to the tourists.
C2 adjective /ˈɡaɪlləs/

guileless

Meaning
Innocent and without deceit
Example
Her guileless smile won everyone’s heart.
B1 adjective /ˈɜːrbən/

urban

Meaning
related to, characteristic of, or situated in a city or town
Example
Urban areas often have higher population density than rural areas.
B2 adjective /əkˈsel.ə.reɪ.tɪd/

accelerated

Meaning
Happening or developing faster than usual.
Example
The project progressed at an accelerated pace.
C1 noun /ˈvænɡɑːrd/

vanguard

Meaning
the forefront of an action, movement, or military force
Example
The company is at the vanguard of technological innovation.
C1 adjective /ˈtrænziənt/

Transient

Meaning
lasting for only a short time; temporary
Example
The beauty of spring flowers is transient.
A2 noun /fɪər/

Fear

Meaning
an unpleasant emotion caused by the belief that someone or something is dangerous
Example
She overcame her fear of heights by taking rock climbing lessons.
C2 noun /ʌnˈkloʊðɪŋ/

unclothing

Meaning
the act or process of removing clothing
Example
The child quickly ran inside for unclothing after playing in the mud.
A1 noun /kəmˈpjuːtə(r)/

computer

Meaning
an electronic device for storing and processing data
Example
I bought a new computer for my office work.
C1 noun səbˈsɪs.təns

subsistence

Meaning
The action or fact of maintaining or supporting oneself at a minimum level.
Example
Many farmers depend on subsistence agriculture.
C1 noun /ˌtrɛpɪˈdeɪʃən/

trepidation

Meaning
a feeling of fear or anxiety about something that may happen
Example
She opened the letter with some trepidation.
C1 noun /kənˈstɪtʃuənsi/

constituency

Meaning
A geographical area whose residents elect a representative to a legislative body.
Example
She campaigned tirelessly across her constituency.
C2 noun dʒʊˈdɪʃəsnɪs

judiciousness

Meaning
Having, showing, or done with good judgment or sense.
Example
Her judiciousness in making decisions was appreciated.
C1 verb /ˈdʒenərəlaɪz/

generalize

Meaning
To make a broad statement by inferring from specific cases.
Example
It is wrong to generalize based on a few experiences.
C1 noun ˈsɪn.tæks

syntax

Meaning
The arrangement of words and phrases to create well-formed sentences in a language.
Example
Programming languages follow strict syntax rules.
C1 noun /ɪˌluːmɪˈneɪʃən/

illumination

Meaning
the act of lighting something or making something clear
Example
The street was filled with bright illumination from the lamps.
C2 noun /fækˈtoʊtəm/

factotum

Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
C2 noun /ˌnɒvəˈlɛt/

novellette

Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
C1 noun /ˈpræɡmətɪst/

pragmatist

Meaning
A person who deals with things in a practical and realistic way.
Example
He is a true pragmatist who values results over ideals.
C1 adjective /pərˈveɪsɪv/

pervasive

Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
B2 noun /ˈoʊvərpæs/

overpass

Meaning
A bridge that carries one road or railway over another.
Example
The new overpass reduced traffic congestion in the city.
B2 noun /dɪˈveləpər/

developer

Meaning
a person or company that creates software, buildings, or land projects
Example
She works as a software developer at a tech company.