perpendicular
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C1 adjective /ˌpɜːrpənˈdɪkjələr/

perpendicular

Meaning
At an angle of 90 degrees to a given line, plane, or surface.
Example
The ladder was placed perpendicular to the ground for safety.
B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

Meaning
A rule or directive made and maintained by an authority.
Example
Government regulation ensures fair business practices.
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
C2 adjective /əˈsɪdjʊləs/

acidulous

Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
A2 noun /ˈfaɪəˌwɜːk/

firework

Meaning
a device that explodes or creates a display of lights and sounds, often used in celebrations
Example
The fireworks lit up the sky during the New Year's Eve celebration.
C2 noun /ˌfɑːrməkəˈpiːə/

pharmacopoeia

Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
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.
C1 verb /priːn/

preen

Meaning
To groom or dress oneself with care; to show pride in one's appearance.
Example
She preened in front of the mirror before leaving for the party.
B1 noun ˈvɪktəri

victory

Meaning
The act of defeating an enemy or opponent in a battle, game, or other competition.
Example
The victory of Bangladesh on December 16 is a moment of pride.
C2 noun /ˈhɪlək/

hillock

Meaning
A small hill or mound.
Example
The children climbed up the grassy hillock to watch the sunset.
A2 noun /ˈlæd.ər/

Ladder

Meaning
a structure consisting of two upright parallel sides connected by rungs, used for climbing up or down
Example
He climbed the ladder to reach the books on the top shelf.
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
B1 noun /ruːˈtiːn/

routine

Meaning
A sequence of actions regularly followed; a fixed program.
Example
A well-structured routine improves productivity.
A2 verb /ɪnˈkri:s/

increase

Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
C2 noun/verb /ˈsʌkər/

succor

Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
C1 noun /ˈlaɪbəl/

libel

Meaning
a published false statement that damages a person's reputation
Example
The newspaper was sued for libel after publishing false claims.
C1 noun /ˈlænd.slaɪd/

Landslide

Meaning
a collapse of a mass of earth or rock from a mountain or cliff; an overwhelming victory in an election
Example
Heavy rains triggered a massive landslide that blocked the mountain highway.
C2 verb /ˈʌndərˌmæn/

underman

Meaning
to supply with fewer workers or personnel than needed
Example
The hospital was undermanned during the flu outbreak.
C1 noun ˌkæp.ɪ.təl.aɪˈzeɪ.ʃən

capitalization

Meaning
The total market value of a company's shares or the provision of capital for a company or activity.
Example
The company's capitalization reached $1 billion in market value.
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
B2 verb ɪnˈhɑːnst

enhanced

Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
B2 noun /əkˈsɛsəri/

accessory

Meaning
a thing which can be added to something else to make it more useful, versatile, or attractive; a person who assists in committing a crime
Example
She bought some stylish accessories for her new phone.
A1 noun /ˈkæm.rə/

camera

Meaning
a device used for taking photographs or recording videos
Example
She bought a new camera for her photography class.
C2 noun /lɪnt/

lint

Meaning
small soft fibers that come off cloth, often found in dryers or on clothes
Example
There was lint all over his black shirt after the wash.
C1 noun /ˈstaɪpend/

Stipend

Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
B1 adjective /ˌʌndərˈstændəbl/

understandable

Meaning
Able to be understood; reasonable or justifiable.
Example
Her reaction was understandable given the situation.
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
A2 noun /frɒɡ/

Frog

Meaning
a small amphibian animal that lives both in water and on land
Example
The frog jumped from the lily pad into the pond.
B1 noun /plʌm/

Plum

Meaning
a small round fruit with smooth red or purple skin, sweet flesh, and a single large seed
Example
The purple plum was juicy and delicious.
C1 adjective, noun /rɪˈsiːvəbl/

receivable

Meaning
Money that is owed to a company and is expected to be paid.
Example
The company's receivables increased significantly this quarter.
C2 noun /ˌnɒn ˈsɛkwɪtər/

non sequitur

Meaning
a statement or conclusion that does not logically follow from the previous statement
Example
His comment about the weather was a complete non sequitur during the budget discussion.
C2 verb /prəˈroʊɡ/

prorogue

Meaning
to discontinue a session of a parliament or assembly without dissolving it
Example
The president decided to prorogue parliament until the crisis was resolved.
C1 noun

Peck

B2 noun /vaɪn/

vine

Meaning
a climbing or trailing plant with long stems; a plant that produces grapes
Example
The vine climbed up the wall and covered it with green leaves.
A2 noun /væn/

van

Meaning
a large vehicle used for transporting goods or people
Example
The delivery van stopped in front of our house.
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
A2 noun /θɔːts/

thoughts

Meaning
An idea or opinion produced by thinking, or occurring suddenly in the mind.
Example
Focus your thoughts on positive outcomes.
C2 noun /ˈɡloʊmɪŋ/

gloaming

Meaning
The time of day after the sun has set and before it is completely dark; twilight.
Example
We walked home together in the quiet gloaming.
C2 noun /ˈpɑːdreɪ/

padre

Meaning
A title for a priest, especially in the Roman Catholic Church; also used informally for 'father'.
Example
The soldiers attended mass led by the padre.
B1 noun ˌkriː.eɪˈtɪv.ɪ.ti

creativity

Meaning
The ability to use imagination to produce original ideas or to make something new or imaginative.
Example
His creativity was evident in his artwork.
B1 noun, verb /eɪd/

aid

Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
B2 noun /ˈspaɪs bɒks/

Spice box

Meaning
a container used to store various spices and seasonings
Example
She opened the spice box to find cumin for her curry.
B1 noun /ˈpʌn.ɪʃ.mənt/

Punishment

Meaning
penalty given for doing something wrong or breaking a rule
Example
The student received punishment for cheating on the exam.
B2 adjective /ˈsɛntɪɡreɪd/

centigrade

Meaning
Relating to the Celsius temperature scale, where water freezes at 0° and boils at 100°.
Example
The weather forecast predicted 30 degrees centigrade.
A2 noun /əˈpɑːrtmənt/

apartment

Meaning
a set of rooms forming a residence within a building
Example
She rented an apartment in the city center.
C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

Meaning
Beyond criticism; faultless.
Example
The judge was known for his irreproachable integrity.
C1 noun /ˈtruː.ənt/

Truant

Meaning
a student who stays away from school without permission; a person who shirks duty
Example
The principal called the parents when their child was caught playing truant.
C2 adjective /ˈroʊziət/

roseate

Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
C2 adjective /ˈdʌlsɪt/

dulcet

Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
A2 noun /ˈpʊd.ɪŋ/

Pudding

Meaning
a sweet dessert typically made by boiling or steaming
Example
My grandmother makes delicious chocolate pudding for dessert.
A1 preposition /ˈɪntuː/

into

Meaning
expressing movement or direction to the inside of something
Example
She walked into the room quietly.
C2 noun /ˌtrænsfəˈriː/

transferee

Meaning
A person to whom a right, property, or responsibility is transferred.
Example
The transferee must sign the contract before taking ownership.
A2 noun /ˈstreɪndʒər/

Stranger

Meaning
a person whom one does not know or with whom one is not familiar
Example
Never take candy from a stranger.
B2 adverb /ˈkæʒ.u.ə.li/

Casually

Meaning
in a relaxed and informal way; without much thought or preparation
Example
He casually mentioned that he was leaving.
B2 verb /ɪnˈfɔːrs/

enforce

Meaning
to make sure that a rule, law, or policy is obeyed
Example
The police are responsible for enforcing the law.
B2 noun /ɪkˈspəʊʒər/

exposure

Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
C1 noun /lɪˈɡæl.ə.ti/

Legality

Meaning
the quality or state of being legal; accordance with the law
Example
The lawyer questioned the legality of the contract.
B2 noun /ɡoʊld rɪŋ/

Gold ring

Meaning
a circular band of gold worn as jewelry, typically on a finger
Example
He gave her a beautiful gold ring for their anniversary.
B1 adjective /ˈneɪtɪv/

native

Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
A2 verb /əˈnaʊns/

announce

Meaning
to make a formal public statement about something
Example
The company will announce the new product tomorrow.
B1 noun /swiːt pəˈteɪtoʊ/

Sweet potato

Meaning
A root vegetable with sweet flesh, typically orange or purple in color
Example
Roasted sweet potato makes a healthy and delicious side dish.
B2 noun /ˈoʊ.vər ɡroʊθ/

Over growth

Meaning
excessive growth beyond normal size; too much development or expansion
Example
The overgrowth of weeds made the garden look untidy.
C2 noun /hɜːrˈbɛəriəm/

herbarium

Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
B2 verb /ɪnˈroʊl/

enrol

Meaning
To officially register or sign up for a course, program, or membership
Example
She decided to enrol in a language course to improve her skills.
B1 noun /ˈwɜːrkpleɪs/

workplace

Meaning
a place where people work, such as an office, factory, or shop
Example
Maintaining good communication is vital in the workplace.
B1 noun /peɪs/

pace

Meaning
the speed at which something happens or is done
Example
She walked at a slow pace.
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.
C2 adjective /ˌsɒpəˈrɪfɪk/

soporific

Meaning
tending to induce drowsiness or sleep; causing sleepiness
Example
The professor's lecture was so soporific that half the class fell asleep.
A2 noun /ˈbʊkstɔːr/

bookstore

Meaning
a shop where books are sold
Example
She spent an entire afternoon browsing in the bookstore.
C1 verb /ˈɡɑː.nər/

garner

Meaning
To gather or collect, especially information, support, or approval.
Example
The politician garnered support from young voters.
B2 adjective ɪkˈstɪŋkt

extinct

Meaning
No longer in existence; having died out completely.
Example
Some species are becoming extinct due to overfishing.
C1 adjective ˈɒb.stɪ.nət

obstinate

Meaning
Refusing to change one's mind or accept others' advice easily.
Example
He remained obstinate despite the logical arguments.
C1 noun /ˈnɪkəl/

nickel

Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
C2 noun /aɪˈoʊtə/

iota

Meaning
An extremely small amount.
Example
He did not show an iota of fear.
A2 adjective, adverb /ˈfʊl taɪm/

full-time

Meaning
working or studying for the whole standard period of time
Example
She works full-time as a teacher.
B1 noun /fəˈsɪl.ɪ.ti/

facility

Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
The facility was well-maintained.
C2 noun /ˈdʒɪŋɡoʊɪst/

jingoist

Meaning
a person who supports jingoism; an extreme nationalist with aggressive foreign policies
Example
He was labeled a jingoist for his extreme views.
C2 noun /ˈpriːsɛpt/

precept

Meaning
A general rule intended to regulate behavior or thought.
Example
Honesty is a fundamental precept in all religions.
B1 adjective /ɪnˌvaɪrənˈmɛntl/

environmental

Meaning
relating to the natural world and the impact of human activity on its condition
Example
The company adopted new policies to reduce environmental damage.
A2 noun /ˈfiːtʃər/

feature

Meaning
a distinctive attribute or aspect of something; a characteristic
Example
The new phone has a unique camera feature.
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
C2 adjective /ˈfrɒθi/

frothy

Meaning
Full of or covered with small bubbles; light and insubstantial.
Example
She ordered a cup of frothy cappuccino.
C1 adjective /rɪˈbel.jəs/

Rebellious

Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
C1 adjective /ʌnˈʃeɪkən/

Unshaken

Meaning
not disturbed or affected; firm and steady; unwavering
Example
Her faith remained unshaken despite all the challenges.
B2 adjective /ɪˈmjuːn/

immune

Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
C1 noun /kəˈluːʒən/

collusion

Meaning
A secret agreement or cooperation, especially for an illegal or dishonest purpose.
Example
There was evidence of collusion between the officials and the contractors.
B2 noun /dʒɔː/

Jaw

Meaning
either of the two bones forming the framework of the mouth in most vertebrates
Example
She broke her jaw in the accident.
C2 adjective /ˈek.wə.bəl/

Equable

Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
A2 pronoun /ˈnoʊˌbɑːdi/

nobody

Meaning
no person; not anyone
Example
Nobody came to the party.
B2 noun /ˈven.juː/

Venue

Meaning
a place where an event or activity takes place
Example
The wedding venue was beautifully decorated.
B2 noun /ˈdʌmi/

dummy

Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
C1 adjective /kənˈspɪkjuəs/

conspicuous

Meaning
Easily noticeable; attracting attention due to being unusual or prominent.
Example
Her red dress made her conspicuous at the party.
C1 noun /ˌɪnkoʊˈhɪrəns/

incoherence

Meaning
The quality of being unclear, confused, or lacking logical connection.
Example
His speech was full of incoherence and difficult to follow.
B1 verb /sərˈvaɪv/

survive

Meaning
To continue to live or exist after a difficult event or situation.
Example
He managed to survive the storm.
B2 noun /ɡʌlf/

Gulf

Meaning
a deep inlet of the sea almost surrounded by land; a wide gap or difference between people or groups
Example
The Persian Gulf is an important waterway for international shipping and oil transport.
C1 adjective /ˈtʌtʃi/

Touchy

Meaning
easily upset or offended; overly sensitive
Example
He's very touchy about his height.
C2 noun /məˈʃiː.nɪst/

machinist

Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
A2 noun /ˈθɪŋkɪŋ/

thinking

Meaning
the process of considering or reasoning about something
Example
Her thinking was clear and precise.
C1 adjective /prəˈlɪf.ɪk/

prolific

Meaning
Present in large numbers or quantities; plentiful; producing many works, results, or offspring.
Example
The author is prolific, having written over 30 books.
B2 adjective /ˌpɑːrləˈmɛntri/

parliamentary

Meaning
relating to a parliament or its members; relating to a system of government with parliamentary authority
Example
The country follows a parliamentary form of government.
B2 noun /ˈprɛmɪs/

premise

Meaning
a statement or idea on which reasoning or an argument is based; also a building or property
Example
His argument was based on a false premise.
B2 noun rɪˈtɛnʃən

retention

Meaning
The continued possession, use, or control of something
Example
The retention of information is essential for academic success.
C1 noun /krʊk/

crook

Meaning
a dishonest person, especially a criminal
Example
The police finally caught the crook who had been stealing cars.
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
B2 verb /wiːv/

weave

Meaning
to make cloth by interlacing threads; to move in and out
Example
She learned to weave beautiful carpets.
C1 noun /jɑːrn/

Yarn

Meaning
spun thread used for knitting, weaving, or sewing; a long or rambling story
Example
She bought colorful yarn for knitting a sweater.
C1 noun/verb /tɔːrˈpiːdoʊ/

torpedo

Meaning
A self-propelled underwater missile; to attack or destroy something suddenly and forcefully.
Example
The submarine launched a torpedo at the enemy ship.
C2 adjective /paɪd/

pied

Meaning
having two or more different colors, typically in blotches
Example
The pied cat had black and white patches all over its body.
B2 noun /ˈboʊlər/

bowler

Meaning
a person who delivers the ball in cricket; also a type of hard felt hat with a rounded crown
Example
The bowler took three wickets in the first over.
C1 noun /tiˈɑː.rə/

Tiara

Meaning
a jeweled ornamental crown worn on formal occasions
Example
The princess wore a sparkling diamond tiara at the royal ball.
C2 noun /ˌɪnkəˈpæsəti/

incapacity

Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
C1 verb /ˈkɪndəl/

kindle

Meaning
to light a fire; to arouse or inspire
Example
She kindled the campfire with dry wood.
C2 noun /oʊliˈændər/

Oleander

Meaning
a poisonous evergreen shrub with clusters of white, pink, or red flowers
Example
The beautiful oleander flowers bloomed in the garden despite their toxic nature.
C1 noun /ˈflæn.əl/

Flannel

Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
B1 noun ˈseʃən

session

Meaning
A meeting of an official body, especially a legislature, council, or court of law, to conduct its business.
Example
The session was held on February 25.
B1 verb /rɪˈflekt/

reflect

Meaning
to think deeply about; to mirror back light or image
Example
The mirror reflects her beautiful face.
C2 adjective /ˈhɔːri/

hoary

Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
B1 noun /ˈɪn.flu.əns/

Influence

Meaning
the capacity to have an effect on the character, development, or behavior of someone or something
Example
The teacher's positive influence helped the student overcome his learning difficulties.