air pollution
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B1 noun /ɛr pəˈluːʃən/

air pollution

Meaning
The presence of harmful or poisonous substances in the air, typically caused by industrial processes, vehicle emissions, or other human activities.
Example
Air pollution from factories led to the first environmental movement.
B1 noun /ˈeɪ.dʒən.si/

Agency

Meaning
a business or organization that provides a particular service
Example
She works for a travel agency downtown.
B1 adjective /æmˈbɪʃ.əs/

Ambitious

Meaning
having strong desire for success or achievement; aspiring
Example
She is ambitious and works hard to achieve her goals.
B1 noun /ˈælkəhɒl/

alcohol

Meaning
A colorless volatile liquid that is the intoxicating constituent of wine, beer, spirits, and other drinks.
Example
Too much alcohol can damage your liver.
B1 noun /əˈtæʧmənt/

attachment

Meaning
a strong feeling of affection or connection
Example
The attachment he felt to his hometown was undeniable.
B1 noun /ˈæl.ɪ.ɡeɪ.tər/

Alligator

Meaning
a large reptile similar to a crocodile but with a shorter, wider head
Example
The alligator basked in the sun on the riverbank.
B1 verb /əˈtɛmpt/

attempt

Meaning
to make an effort to achieve or complete something difficult
Example
He attempted to climb the mountain despite the bad weather.
B1 adverb /ˈɔːfəli/

awfully

Meaning
in a very great degree; extremely; in a way that is very bad or unpleasant
Example
I am awfully glad to see you again.
B1 adjective /əˈmjuː.zɪŋ/

Amusing

Meaning
causing laughter or providing entertainment; funny; enjoyable
Example
The children found the clown's performance very amusing.
B1 noun /ˈɔːtəmoʊbiːl/

automobile

Meaning
a road vehicle powered by an engine, typically with four wheels
Example
He bought a new automobile last week.
B1 verb /əˈproʊtʃ/

approach

Meaning
to move closer to someone or something; to deal with a situation or problem
Example
The teacher approached the student to offer help.
B1 noun /ˈæksɛnt/

accent

Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
B1 adverb /ˌɔːl.təˈɡeð.ər/

Altogether

Meaning
completely; in total; considering everything
Example
The project cost altogether five thousand dollars.
B1 verb /əˈlɑːrm/

alarm

Meaning
to warn of danger; to frighten or disturb
Example
The loud noise alarmed the residents.
B1 noun /əkˈsɛptəns/

acceptance

Meaning
the act of agreeing to receive or undertake something offered
Example
Her acceptance of the award was met with applause.
B1 verb /əˈdɒpt/

adopt

Meaning
To take something as your own, such as a child, idea, or method.
Example
They decided to adopt a child from the orphanage.
B1 verb /əˈpruːv/

approve

Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
B1 noun əˈwɛrnɪs

Awareness

Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.
B1 adjective /ˌækəˈdɛmɪk/

academic

Meaning
related to education, learning, or scholarly activities
Example
She has an outstanding academic record.
B1 adjective /əˈlaɪk/

Alike

Meaning
similar in appearance or nature; in the same way
Example
The two sisters look very much alike.
B1 adverb /ˈɑːf.tə.wərdz/

Afterwards

Meaning
at a later time; after an event or time that has already been mentioned
Example
We had dinner and afterwards we watched a movie.
B1 noun /ˈær.əb/

arab

Meaning
a person belonging to the Semitic people of the Middle East and North Africa
Example
He is an Arab living in Dubai.
B1 adjective /ədˈvɛnʧərəs/

adventurous

Meaning
Willing to take risks or try out new methods, ideas, or experiences.
Example
They participated in adventurous activities like kayaking and hiking.
B1 noun /ˈeɪ.dʒənt/

agent

Meaning
A person who acts on behalf of another person or organization.
Example
The real estate agent showed us several houses.
B1 noun /əˈtendəns/

Attendance

Meaning
the action or state of going regularly to or being present at a place or event
Example
The teacher takes attendance at the beginning of each class.
B1 noun /əˈtʃiːvmənt/

achievement

Meaning
Something that has been successfully completed or accomplished through effort or skill.
Example
Graduating from university was her greatest achievement.
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.
B1 noun /əˈpɒlədʒi/

apology

Meaning
a statement expressing regret for something wrong or hurtful
Example
He offered an apology for being late to the meeting.
B1 verb /əˈtætʃ/

attach

Meaning
to join or fasten something to another thing
Example
Please attach the document to the email before sending.
B1 noun /ˈɑː.kɪ.tekt/

architect

Meaning
a person who designs buildings and oversees their construction
Example
The architect designed a modern office building.
B1 noun /əˈfer/

Affair

Meaning
an event or situation; a matter that someone deals with
Example
The wedding was a grand affair with hundreds of guests.
B1 noun æmˈbɪʃ.ən

ambition

Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.
B1 adjective /əˈsoʊsieɪtɪd/

associated

Meaning
connected or related to something or someone
Example
She is closely associated with environmental movements.
B1 verb /əˈkjuːz/

accuse

Meaning
to charge someone with a crime or wrongdoing
Example
She accused him of stealing her wallet.
B1 noun /əˈtrækʃən/

Attraction

Meaning
the action or power of evoking interest or pleasure in something; a place that draws visitors
Example
The museum is the main attraction for tourists in this city.
B1 verb /ədˈmaɪər/

admire

Meaning
To respect, appreciate, or look up to someone or something.
Example
I really admire her dedication to education.
B1 adverb /əˈsaɪd/

Aside

Meaning
to one side; apart; away from the main part
Example
Please set your book aside and listen to me.
B1 noun /ədˌmɪn.ɪˈstreɪ.ʃən/

Administration

Meaning
the process of managing or organizing something; a government or organization
Example
The university administration announced new policies.
B1 adjective /ˈeɪn.ʃənt/

Ancient

Meaning
belonging to the very distant past; very old; historical
Example
We visited the ancient ruins of the Roman empire.
B1 verb əˈdrɛst

addressed

Meaning
To think about and begin to deal with an issue or problem.
Example
Addressing key problems is vital for long-term change.
B1 verb /əˈsɛs/

assess

Meaning
to evaluate or estimate the nature, ability, or quality of something
Example
The teacher assessed the students' progress.
B1 noun /əˈdʒen.də/

Agenda

Meaning
a list of items to be discussed at a meeting; a plan of action
Example
The meeting agenda includes budget discussions.
B1 adjective /ˌælfəˈbɛtɪkəl/

alphabetical

Meaning
Arranged in the order of the letters of the alphabet.
Example
The names were listed in alphabetical order.
B1 verb /əˈfɛkt/

affect

Meaning
to influence or make a difference to something
Example
The weather can greatly affect our mood.
B1 noun, verb /eɪd/

aid

Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
B1 noun /ˈædʒɪktɪv/

adjective

Meaning
a word that describes or modifies a noun by giving more information about its quality, quantity, or state
Example
The adjective in the sentence adds more detail to the noun.
B1 verb /əˈmeɪz/

amaze

Meaning
to fill someone with great surprise or wonder
Example
The magician’s final trick amazed the audience.
B1 adjective /əkˈsɛptəbəl/

acceptable

Meaning
able to be agreed upon; satisfactory or suitable
Example
Your proposal is acceptable to the committee.
B1 verb /əˈpriːʃieɪt/

appreciate

Meaning
to recognize the value or significance of; to be grateful for
Example
I really appreciate your help with this project.
B1 noun /əˈsɛmbli/

assembly

Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
B1 adjective /əˈdɪʃənəl/

additional

Meaning
added, extra, or supplementary to what already exists
Example
The teacher gave the students additional homework.
B1 adjective /eɪdʒd/

aged

Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
B1 adverb /ˌæbsəˈluːtli/

Absolutely

Meaning
completely; totally; without exception
Example
I absolutely agree with your decision.
B1 verb /əˈweɪk/

awake

Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
B1 noun əˈses.mənt

assessment

Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
B1 noun əˈnæl.ə.sɪs

analysis

Meaning
Detailed examination and evaluation of data or information to understand its components and relationships.
Example
Data analysis is crucial for machine learning models.
B1 noun /əˈpruː.vəl/

approval

Meaning
official permission or agreement for something
Example
The project received government approval.
B1 noun /ədˈmɪʃ.ən/

Admission

Meaning
the process of entering or being allowed to enter a school or organization; accepting that something is true
Example
She gained admission to Harvard University.
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.
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
B1 verb /əˈsuːm/

assume

Meaning
to think that something is true without proof
Example
I assume he will be late to the meeting.
B1 noun /ˈætməsˌfɪər/

Atmosphere

Meaning
the envelope of gases surrounding the earth or another planet; the pervading tone or mood of a place
Example
The atmosphere protects us from harmful solar radiation.
B1 noun /ədˈvæns/

Advance

Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
B1 noun /ˈæs.pekt/

aspect

Meaning
A particular part, feature, or view of something.
Example
One important aspect of health is regular exercise.
B1 noun ˈɑːkɪtektʃə(r)

architecture

Meaning
The art or science of designing and constructing buildings.
Example
Ancient architecture is fascinating.
B1 verb /əˈdæpt/

adapt

Meaning
to adjust or change something to suit new conditions or situations
Example
He quickly adapted to the new environment.
B1 noun /ˈeər fɔːrs/

Air force

Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
B1 adjective /ɑːrmd/

armed

Meaning
equipped with or carrying weapons
Example
The bank was robbed by armed men.
B1 adjective /ˈæŋk.ʃəs/

Anxious

Meaning
feeling worried or nervous; eager with concern
Example
She felt anxious about her upcoming job interview.
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.
B1 adverb /ˈæftərwərd/

afterward

Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
B1 noun /ˈænəlɪst/

analyst

Meaning
a person who studies or examines something carefully to understand it or make decisions
Example
The financial analyst predicted a rise in the stock market.
B1 noun əˈdɒp.ʃən

adoption

Meaning
The process of accepting, embracing, or taking up something new, such as a practice, technology, or idea.
Example
The adoption of electric vehicles is increasing worldwide.
B1 adverb /əˈperəntli/

Apparently

Meaning
seemingly; as far as one knows or can see; clearly; evidently
Example
Apparently, the meeting has been postponed to next week.
B1 noun /əˈkaʊntənt/

accountant

Meaning
a person whose job is to keep or check financial accounts
Example
The accountant prepared the financial reports for the company.
B1 noun /aɪl/

aisle

Meaning
a passage between rows of seats or shelves
Example
She walked down the aisle to find her seat.
B1 noun /ˈæʃ.treɪ/

Ash tray

Meaning
a receptacle for tobacco ash and cigarette butts
Example
Please use the ash tray for your cigarette.
B1 adverb /əˈprɒk.sɪ.mət.li/

approximately

Meaning
used to show that something is almost, but not completely, accurate or exact
Example
The journey takes approximately three hours.
B1 preposition/adverb /əˈkɔːrdɪŋ/

according

Meaning
As stated by or in agreement with.
Example
According to the report, sales increased last quarter.
B1 noun /ˈæŋkəl/

ankle

Meaning
the joint connecting the foot with the leg
Example
He twisted his ankle while playing football.
B1 adjective, verb /əˈproʊpriət/ (adj), /əˈproʊprieɪt/ (verb)

appropriate

Meaning
suitable or proper in the circumstances (adj); to take something for one’s own use, often without permission (verb)
Example
Wearing formal clothes was appropriate for the ceremony.
B1 verb /əˈsɪst/

assist

Meaning
to help or support someone in doing something
Example
The nurse will assist the doctor during the surgery.
B1 adjective /ˈæk.jə.rət/

Accurate

Meaning
correct, exact, and without any mistakes
Example
The weather forecast was completely accurate.
B1 noun əˈreɪndʒmənt

arrangement

Meaning
The way things are organized, positioned, or structured.
Example
The arrangement of protons in the nucleus is critical.
B1 adjective /əˈʃeɪmd/

Ashamed

Meaning
feeling embarrassed or guilty because of one's actions
Example
He was ashamed of his poor performance.
B1 noun /ˈætɪˌtjuːd/

attitude

Meaning
A settled way of thinking or feeling about someone or something, often reflected in behavior.
Example
Her positive attitude helped her overcome many challenges.
B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
B1 noun /ˈæbsəns/

Absence

Meaning
the state of being away from a place or person; lack or non-existence
Example
His absence from the meeting was noticed by everyone.
B1 noun ɔːlˈtɜːrnətɪv

alternative

Meaning
(Of one or more things) available as another possibility or choice.
Example
Finding an alternative to plastic is essential.
B1 noun /əˌsoʊsiˈeɪʃən/

association

Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
B1 noun ədˈvɛnʧər ˈsiːkərz

Adventure Seekers

Meaning
People who actively look for exciting and potentially risky activities or experiences.
Example
Sajek Valley is a popular destination for adventure seekers.
B1 noun /əˈkaʊnt/

Account

Meaning
a record of money received and paid out; a report or description of an event
Example
She opened a savings account at the bank.
B1 verb /əˈdʒʌst/

adjust

Meaning
to change something slightly to make it more suitable or effective
Example
She adjusted the mirror to see the road clearly.
B1 noun /æks/

Axe

Meaning
a tool with a heavy blade for cutting wood
Example
The lumberjack swung his axe to chop the tree.
B1 noun /ˈɑːrtwɜːrk/

artwork

Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
B1 verb /əˈmjuːz/

amuse

Meaning
to entertain or make someone laugh or smile; to occupy pleasantly
Example
The clown amused the children at the party.
B1 adjective əkˈsep.tɪd

accepted

Meaning
Generally believed or recognized to be valid or correct.
Example
The accepted terms were discussed in detail.
B1 adjective /ænˈtiːk/

Antique

Meaning
old and valuable; belonging to ancient times
Example
She collected antique furniture from the Victorian era.
B1 noun, adjective, gerund /ˈæk.tɪŋ/

acting

Meaning
the art or profession of performing in plays, films, or television; temporary performance of duties; the process of performing an action
Example
She is studying acting to become a professional actress.
B1 noun /ədˈvaɪzər/

adviser

Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
B1 noun/adjective /ˌæfrɪkən əˈmɛrɪkən/

african-american

Meaning
A person of African descent living in or originating from the United States; relating to such people.
Example
She is proud of her African-American heritage.
B1 noun ɔːˈθɒrəti

authority

Meaning
The power or right to give orders, make decisions, and enforce obedience; a person or organization having power or control.
Example
Regional authority was emphasized.
B1 noun /əˈkædəmi/

academy

Meaning
an institution of learning or training
Example
He enrolled in a military academy.
B1 noun /əˈnaʊnsmənt/

announcement

Meaning
a public or formal statement giving information
Example
The principal made an important announcement about the new schedule.
B1 verb /əˈrɛst/

arrest

Meaning
to catch and hold by legal authority; to stop suddenly
Example
The police will arrest the suspect tomorrow.
B1 adjective /əˈtætʃt/

attached

Meaning
joined or fastened to something; emotionally connected or fond of someone or something
Example
The file is attached to the email.
B1 noun /ˈæmətər/

amateur

Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
B1 noun /ˈæŋɡl/

angle

Meaning
The space between two intersecting lines or surfaces at the point where they meet.
Example
The teacher explained how to measure an angle in geometry.
B1 noun /ˈɛər.kræft/

aircraft

Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
B1 noun /əˈfek.ʃən/

Affection

Meaning
a feeling of liking or caring for someone or something
Example
She has deep affection for her grandmother.
B1 verb /əˈsoʊsiˌeɪt/

associate

Meaning
to connect or link things together; to spend time with someone
Example
I associate this song with summer.
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.
B1 noun /əˌkɒməˈdeɪʃən/

Accommodation

Meaning
a room, group of rooms, or building in which someone may live or stay
Example
The hotel provides comfortable accommodation for tourists.
B1 adjective /ˈæbsənt/

absent

Meaning
not present at a place or event
Example
She was absent from the meeting yesterday.
B1 adverb /ˌɔːtəˈmætɪkli/

automatically

Meaning
without human control or intervention; done by itself
Example
The door closes automatically after you enter.
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.
B1 noun /əˈpiːl/

Appeal

Meaning
a serious or urgent request, typically to the public; the quality of being attractive or interesting
Example
The charity made an appeal for donations.
B1 adjective /ɑːrˈtɪstɪk/

artistic

Meaning
having or revealing natural creative skill
Example
She has an artistic sense of design.
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.
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
B1 verb /ədˈvaɪz/

advise

Meaning
to recommend what should be done; to give advice
Example
The doctor advised him to rest for a week.