Sub-marine
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B1 noun /ˈsʌb.mə.riːn/

Sub-marine

Meaning
a warship with a streamlined hull designed to operate completely submerged in the sea
Example
The submarine dived deep into the ocean to avoid detection.
B1 verb /ɪnˈʃʊər/

ensure

Meaning
To make certain that something will happen or be the case.
Example
Please ensure that the door is locked before you leave.
B1 adjective /ˈpeɪn.fəl/

painful

Meaning
causing physical or emotional pain
Example
The injury was very painful, and he needed immediate care.
B1 noun /tʌn/

ton

Meaning
A unit of weight equal to 2,000 pounds (US) or 1,000 kilograms (metric); a large amount of something
Example
The truck carried a ton of apples to the market.
B1 noun /feɪm/

Fame

Meaning
the condition of being known or talked about by many people
Example
The young actor achieved international fame with his latest movie.
B1 noun /ˈkɒnsɪkwənsɪz/

consequences

Meaning
Results or effects of an action or condition.
Example
The consequences of ignoring safety protocols can be severe.
B1 noun/verb /koʊd/

code

Meaning
a system of words, letters, or symbols used to represent information or instructions
Example
He wrote a code to solve the problem on the computer.
B1 noun /lɪd/

Lid

Meaning
a removable or hinged cover for the top of a container
Example
Please put the lid back on the jar.
B1 adjective /prɪˈsaɪs/

precise

Meaning
Marked by exactness and accuracy of expression or detail.
Example
She gave precise instructions for the experiment.
B1 noun /sɔɪl/

soil

Meaning
The upper layer of earth in which plants grow.
Example
The soil in this area is reddish.
B1 noun /ˈlaɪ.ər/

Liar

Meaning
a person who tells lies; someone who does not tell the truth
Example
Nobody trusts him because he is a liar.
B1 adjective /ˈdʒɛnjʊɪn/

genuine

Meaning
real and authentic; not fake or artificial
Example
This is a genuine leather bag.
B1 noun /bɪˈliːf/

Belief

Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
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 verb /beɪð/

bathe

Meaning
to wash oneself; to clean the body with water
Example
I bathe every morning before going to work.
B1 noun /laɪt ˈkʌlər/

Light Colour

Meaning
a pale or bright shade of any color
Example
The walls were painted in light colours to make the room look bigger.
B1 noun /ˈtʃɛərmən/

chairman

Meaning
the leader or head of a meeting, committee, or organization
Example
The chairman opened the meeting with a short speech.
B1 noun /ˈfɪzɪks/

physics

Meaning
the natural science that studies matter, energy, and the interactions between them
Example
She decided to major in physics at the university.
B1 noun /ˌkjʊr.iˈɑs.ɪ.ti/

Curiosity

Meaning
a strong desire to know or learn something; an unusual or interesting object or fact
Example
Her curiosity about different cultures led her to travel around the world.
B1 verb /səˈraʊnd/

surround

Meaning
To be all around someone or something.
Example
Mountains surround the small village.
B1 verb /lend/

lend

Meaning
to give temporarily; to allow someone to use something
Example
Can you lend me your pen?
B1 noun /kəˈrɛkʃən/

correction

Meaning
the action or process of correcting something
Example
The teacher made a correction to the student's essay.
B1 noun

Loneliness

B1 noun /dɪsk/

disk

Meaning
a flat, circular object, often used to store data electronically
Example
All the data is saved on a hard disk.
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 noun /ˈprəʊɡræmɪŋ/

programming

Meaning
the process of designing and writing computer programs
Example
He has been learning programming for several months now.
B1 noun /tɪn/

tin

Meaning
a metal container; a chemical element (Sn)
Example
She bought a tin of biscuits from the store.
B1 noun /ˈɑp.ʃən/

Option

Meaning
a thing that is or may be chosen; an alternative course of action
Example
You have the option to work from home or office.
B1 noun ˌdʒɛnəˈreɪʃənz

Generations

Meaning
All of the people born and living at about the same time, regarded collectively.
Example
The family tree spans several generations.
B1 noun ˈseɪ.vɪŋ

saving

Meaning
The practice of keeping and accumulating money for future use rather than spending it immediately.
Example
Regular saving habits ensure financial security.
B1 adverb /ˈtɛmpərɛrɪli/

temporarily

Meaning
for a limited time; not permanently
Example
The road is closed temporarily for repairs.
B1 noun /ˈɡrænd.tʃaɪld/

grandchild

Meaning
the child of one's son or daughter
Example
They love spending time with their grandchild on weekends.
B1 noun /tʃɪn/

Chin

Meaning
the protruding part of the face below the mouth, formed by the apex of the lower jaw
Example
He stroked his beard thoughtfully, resting his hand on his chin.
B1 noun ˈbæriə(r)

barrier

Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
B1 noun /kriˈeɪ.ʃənz/

creations

Meaning
Things that have been created, especially works of art or imaginative works.
Example
His creations astonished the world.
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 /ˈɔr.ə.ʒɪn/

Origin

Meaning
the point or place where something begins, arises, or is derived; the source
Example
Scientists are studying the origin of the universe.
B1 verb /ˈwɪsəl/

whistle

Meaning
to make a high-pitched sound by blowing air through lips or teeth
Example
He likes to whistle while working.
B1 noun /ˈbækʌp/

backup

Meaning
a copy of data stored separately to protect against loss
Example
Make sure to have a backup of your important files.
B1 adverb /ˈkɒnstəntli/

Constantly

Meaning
continuously over a period of time; always; without stopping
Example
The baby was constantly crying throughout the night.
B1 noun /ˈmʌðər ˈlæŋɡwɪdʒ/

mother language

Meaning
the first language a person learns from childhood; native language
Example
Children learn best when they are taught in their mother language.
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
B1 noun /ˈwɔːtərfɔːl/

Waterfall

Meaning
a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline
Example
The magnificent waterfall attracts thousands of tourists every year.
B1 noun /ˌɪntərˈækʃən/

interaction

Meaning
The process of people or things acting upon or influencing each other.
Example
The teacher encouraged more interaction between students.
B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

Meaning
A person chosen or appointed to act or speak for another or others.
Example
The representative addressed critical issues.
B1 adverb /ˌɔːl.təˈɡeð.ər/

Altogether

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

Definite

Meaning
clearly stated or decided; not vague or uncertain; specific
Example
We need a definite answer by tomorrow.
B1 adverb /ˈniːtli/

Neatly

Meaning
in a tidy and orderly way; carefully and precisely
Example
She arranged the books neatly on the shelf.
B1 noun /ˈfæktər/

factor

Meaning
A circumstance, fact, or influence that contributes to a result.
Example
Weather is an important factor in crop production.
B1 noun /ˈhaʊswaɪf/

housewife

Meaning
a married woman who manages a household and whose main occupation is caring for her family and home
Example
She chose to work as a housewife while raising her children.
B1 verb /kənˈtrɪbjuːt/

contribute

Meaning
to give something, especially money, time, or effort, to help achieve or provide something
Example
Everyone contributed money to buy a farewell gift for the teacher.
B1 adverb /ˈspeʃ.əl.i/

Specially

Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
B1 noun /stiːl/

steel

Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
B1 adjective ʌnˈplænd

unplanned

Meaning
Not planned or arranged in advance; happening spontaneously without preparation.
Example
Unplanned urbanization contributes to environmental issues.
B1 noun /ˈdaɪəɡræm/

diagram

Meaning
a simplified drawing that shows the structure, relationship, or process of something
Example
The teacher explained the system using a clear diagram.
B1 verb /ˈɛstɪˌmeɪt/

estimate

Meaning
To roughly calculate or judge the value, number, quantity, or extent of something.
Example
The engineer estimated the cost of the project at $5 million.
B1 adjective /ʌnˈeɪ.bəl/

Unable

Meaning
lacking the power, skill, or means to do something
Example
He was unable to attend the meeting.
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 /kəmˈbaɪn/

combine

Meaning
To bring two or more things together to form a single unit.
Example
They decided to combine their resources for the project.
B1 adjective /ɪˈsɛnʃəl/

essential

Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
B1 adverb /ˈber.li/

Barely

Meaning
scarcely; only just; almost not
Example
I barely passed the exam.
B1 noun ˈproʊtest

protest

Meaning
A statement or action expressing disapproval of or objection to something.
Example
Students organized a protest.
B1 noun /ˈtʃæptər/

chapter

Meaning
A main division of a book or a period in someone's life.
Example
I just finished the first chapter of the novel.
B1 noun /ˈɪnstrəmənt/

instrument

Meaning
A tool or device used for a particular purpose, especially for scientific or musical work.
Example
The doctor used a special instrument during the surgery.
B1 noun /ˈɑː.lɪv/

Olive

Meaning
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
Example
Olive oil is considered one of the healthiest cooking oils available.
B1 noun /ˈpeɪstri/

pastry

Meaning
a baked food product made from flour, fat, and water, often sweet or savory
Example
I bought a box of fresh pastries for breakfast.
B1 noun /ˈdɛkeɪd/

decade

Meaning
A period of ten years.
Example
The country has changed a lot in the past decade.
B1 noun /dɪˈbeɪt/

Debate

Meaning
a formal discussion of opposing viewpoints; argument with reasoned points
Example
The political debate lasted for three hours with passionate arguments.
B1 noun /ɪkˈsep.ʃən/

Exception

Meaning
a person or thing that is excluded from a general statement or does not follow a rule
Example
Most students passed the exam, with the exception of a few who were absent.
B1 verb /kənˈsʌlt/

consult

Meaning
To seek advice or information from someone with expertise.
Example
You should consult a doctor before starting the treatment.
B1 noun /ˈmoʊ.ʃən/

Motion

Meaning
the action of moving or being moved; a formal proposal
Example
The car was in constant motion during the journey.
B1 verb /ˈmʌltɪplaɪ/

multiply

Meaning
to increase in number; to perform mathematical multiplication
Example
The bacteria multiply rapidly in warm conditions.
B1 verb /rɪˈvaɪz/

revise

Meaning
To change, improve, or update something, especially a written work.
Example
She had to revise her essay before submission.
B1 noun /twɪn/

twin

Meaning
either of two children born at the same time to the same mother
Example
They have twin girls.
B1 adjective /ˈsɪvəl/

civil

Meaning
Relating to ordinary citizens and their concerns, or being polite and courteous.
Example
They settled the matter through civil discussion.
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.
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 /ˈbɔr.dər/

Border

Meaning
a line separating two political or geographical areas, especially countries
Example
They crossed the border between France and Spain by train.
B1 noun ˈliː.də.ʃɪp

leadership

Meaning
The action of leading a group of people or an organization.
Example
Leadership is crucial for institutional success.
B1 verb /ˈmɛʒər/

measure

Meaning
to determine the size, amount, or degree of something
Example
She measured the length of the table.
B1 preposition /θruːˈaʊt/

throughout

Meaning
in every part of a place or during the whole time of an event
Example
She worked throughout the night.
B1 noun /aʊl/

Owl

Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
B1 noun /ˈhɑːrdˌwɛr/

hardware

Meaning
the physical parts of a computer or electronic system, such as the monitor, keyboard, and processor
Example
The company upgraded its computer hardware to improve performance.
B1 adjective /ɪˈliː.ɡəl/

illegal

Meaning
Not allowed by law; unlawful.
Example
It is illegal to drive without a valid license.
B1 adjective /ˌɔːtəˈmætɪk/

automatic

Meaning
working by itself without direct human control
Example
This car has an automatic transmission.
B1 noun /bæŋ/

Bang

Meaning
a sudden loud noise; a hard blow or hit
Example
The door closed with a loud bang that woke everyone up.
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 /ˌiː.kəˈnɒm.ɪk ɡrəʊθ/

Economic Growth

Meaning
The increase in the production of goods and services in an economy over time, measured by the expansion of economic output, income, and investment.
Example
The country's economic growth has been remarkable over the past decade.
B1 adjective /dɪsˈɒnəst/

Dishonest

Meaning
not honest; fraudulent; deceitful
Example
The dishonest salesman tried to sell them a broken car.
B1 noun /slaɪs/

Slice

Meaning
a thin, flat piece cut from something larger
Example
Would you like a slice of pizza?
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 verb /dɪsˈtrɪbjuːt/

distribute

Meaning
to give out or spread something among several people or places
Example
The teacher will distribute the test papers.
B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

Meaning
a statement or account that makes something clear; clarification of meaning
Example
The teacher gave a detailed explanation of the complex mathematical concept.
B1 noun /ˈfʌndɪŋ/

funding

Meaning
financial support for a project or organization
Example
The startup is seeking funding from investors.
B1 verb /ˈedɪt/

edit

Meaning
to make changes to improve or correct something
Example
I need to edit this document before submission.
B1 verb /ɪnˈɡeɪdʒ/

engage

Meaning
To participate or become involved in; to attract or hold attention.
Example
The teacher tried to engage the students in the discussion.
B1 noun aɪˈdɛntɪti

identity

Meaning
The fact of being who or what a person or thing is; the characteristics determining who or what a person or thing is.
Example
The day reinforces our national identity.
B1 noun ˈbreɪvəri

bravery

Meaning
Courageous behavior or character; the quality of being brave.
Example
The bravery of our soldiers is unforgettable.
B1 adjective /feɪld/

failed

Meaning
not successful in achieving a desired result
Example
The project failed to meet the expectations.
B1 noun /ˈkwɔː.tər/

Quarter

Meaning
one of four equal parts of something; a period of three months
Example
The company reported strong profits in the first quarter of the year.
B1 noun /ˈbles.ɪŋ/

Blessing

Meaning
a beneficial thing for which one is grateful; divine favor
Example
Having good health is a blessing that we should cherish.
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

Meaning
a formal test of knowledge or ability
Example
She is preparing for her final examination.
B1 noun /striːm/

stream

Meaning
A small, narrow river; a continuous flow of something.
Example
The stream of life is unstoppable.
B1 noun /ˌdɛfɪˈnɪʃən/

definition

Meaning
a statement that explains the meaning of a word or concept
Example
The dictionary gives a clear definition of the word.
B1 noun /ruːt/

route

Meaning
a way or course taken to get from one place to another
Example
The best route to the airport is through the highway.
B1 adverb /ðʌs/

thus

Meaning
as a result or consequence of something previously stated
Example
He was late, thus he missed the meeting.
B1 noun /məˈtɪəriəl/

Material

Meaning
The matter from which a thing is or can be made; fabric or cloth
Example
The building was constructed using the finest materials available.
B1 noun /ˈpɑr.səl/

Parcel

Meaning
an object or collection of objects wrapped in paper for carrying or sending by mail; a piece of land
Example
The postman delivered a parcel to our door.
B1 adjective /ˌælfəˈbɛtɪkəl/

alphabetical

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

sadly

Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
B1 adjective /ˈvaɪə.lət/

Violet

Meaning
of a bluish-purple color
Example
She wore a beautiful violet dress to the party.
B1 noun /kɒp/

cop

Meaning
a police officer (informal)
Example
The cop stopped the car for speeding.
B1 noun/adjective /ˌdɒkjʊˈmɛntri/

documentary

Meaning
A film or television program that provides a factual record or report.
Example
We watched a documentary about climate change.
B1 noun /hoʊst/

Host

Meaning
a person who receives or entertains other people as guests; a large number of things
Example
The gracious host welcomed all the guests with warm smiles and refreshments.
B1 verb /ˈdekəreɪt/

decorate

Meaning
to make something look more attractive by adding ornaments
Example
We will decorate the room for the party.
B1 noun, verb /ˈɡrædʒuət/ (noun), /ˈɡrædʒueɪt/ (verb)

graduate

Meaning
As a noun: a person who has completed a course of study; As a verb: to complete a course of study successfully.
Example
She will graduate from university next year.
B1 verb /kəmˈpiːt/

compete

Meaning
to try to win or be more successful than others in a contest or activity
Example
Several companies compete for dominance in the market.
B1 noun /baɪˈɒlədʒi/

biology

Meaning
The scientific study of living organisms.
Example
Biology explains how plants and animals function.
B1 noun, verb /ˈkrɛdɪt/

credit

Meaning
As a noun: the ability to obtain goods or services before payment; recognition for an achievement. As a verb: to publicly acknowledge someone's contribution.
Example
She received credit for her contribution to the project.
B1 verb /rɑːb/

rob

Meaning
to steal money or property from a person or place; to commit robbery
Example
The thief tried to rob the bank last night.