naphtha
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C2 noun /ˈnæfθə/

naphtha

Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
A2 noun /ˈplænɪt/

Planet

Meaning
a celestial body moving in an elliptical orbit around a star
Example
Mars is the fourth planet from the sun.
C1 adjective /dɪˈsperɪŋ/

Despairing

Meaning
feeling hopeless; in despair
Example
She felt despairing after losing her job.
A2 adverb /pəˈhæps/

Perhaps

Meaning
possibly; maybe; used to express uncertainty or make a suggestion
Example
Perhaps we should call before visiting to make sure they're home.
C2 adjective /ɪˈpɪstələri/

epistolary

Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
B1 noun kəˈpæs.ə.ti

capacity

Meaning
The maximum amount that something can contain or produce; the ability or power to do or understand something.
Example
The cable has the capacity to handle vast data traffic.
B2 noun /wɜːrld ɪnˈvaɪrənmənt deɪ/

World Environment Day

Meaning
An annual global event celebrated on June 5 to raise awareness about environmental protection and encourage action for environmental conservation.
Example
World Environment Day is celebrated every year on June 5.
B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
B2 noun /ˈæl.oʊ ˈvɪər.ə/

Aloe Vera

Meaning
a succulent plant with thick fleshy leaves and medicinal properties; produces tubular flowers
Example
The aloe vera plant blooms with orange or yellow tubular flowers.
C1 adverb /ˈhɒtli/

hotly

Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
C2 adjective /ˈpʌkɪʃ/

puckish

Meaning
playfully mischievous
Example
The child gave a puckish grin before hiding the toy.
C1 noun /wɪk/

Wick

Meaning
a cord or strand of cotton that burns to provide light in a candle or lamp
Example
The candle wick needs to be trimmed for better burning.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
A1 adjective /ˈdɪf.ər.ənt/

different

Meaning
Not the same as another; distinct or unlike.
Example
Her opinion was completely different from mine.
B2 adverb /pəˈtɛnʃəli/

potentially

Meaning
with the possibility of becoming something in the future
Example
This project is potentially a huge success.
B1 adjective /kənˈviː.ni.ənt/

Convenient

Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
C1 verb /ˌɪn.trəˈspekt/

introspect

Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
B2 adjective /ˈpen.dɪŋ/

Pending

Meaning
awaiting; not yet decided or settled; in the process of being completed
Example
The application is still pending approval.
C1 verb /dɔːnt/

daunt

Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
B2 noun /ˈreɪn.dʒər/

ranger

Meaning
A person responsible for protecting and managing forests, parks, or natural areas.
Example
The park ranger guided the tourists through the forest trail.
C2 verb /kənˈdəʊl/

condole

Meaning
To express sympathy for someone who is suffering or grieving.
Example
Neighbors came to condole with the family after the tragedy.
C1 verb /ˈprɒfəsaɪ/

prophesy

Meaning
to state or predict that something will happen in the future, especially as if divinely inspired
Example
The monk prophesied that peace would return to the land.
C2 adjective /ˌpjuːsɪˈlænɪməs/

pusillanimous

Meaning
showing a lack of courage or determination; timid
Example
The pusillanimous leader avoided making tough decisions.
B2 noun /ˈoʊtˌmiːl/

oatmeal

Meaning
A type of porridge made from ground oats, often eaten for breakfast.
Example
She eats a bowl of oatmeal every morning for breakfast.
C2 noun /broʊɡ/

brogue

Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
A2 noun /ˈsɪl.vər/

Silver

Meaning
a shiny white precious metal used for making jewelry and ornaments
Example
The silver ring sparkled in the sunlight.
C2 noun /ˈmaɪkrəˌkɒzəm/

microcosm

Meaning
A small, representative system having analogies to a larger system; a miniature version of something.
Example
The small town is a microcosm of the entire nation.
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
B1 adjective /ˌʌnˈɪntrəstɪŋ/

uninteresting

Meaning
not holding attention or curiosity; boring
Example
The lecture was uninteresting and difficult to stay focused on.
C2 adjective /ˈbʌmpʃəs/

bumptious

Meaning
Arrogantly self-assertive or conceited.
Example
The bumptious student interrupted the teacher several times.
C1 adjective /ˈmɔːrbɪd/

morbid

Meaning
Having an abnormal interest in disturbing or unpleasant subjects such as death or disease.
Example
She had a morbid fascination with crime stories.
A2 noun /ˈɔːtəm/

autumn

Meaning
the season between summer and winter, when leaves fall from trees
Example
The trees look beautiful in autumn, with colorful leaves falling.
C2 noun /ˌkɒməˈsɛəriət/

commissariat

Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
B2 noun ˈrɛvənuː

revenue

Meaning
Income, especially when of a company or organization.
Example
The company's revenue grew by 10% this year.
A2 noun/adjective /ˈekspɜːt/

expert

Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
A1 adjective /ɡʊd/

Good

Meaning
satisfactory; pleasant; beneficial; of high quality
Example
She is a good student.
A1 noun /pɑːrk/

park

Meaning
a large public area of land with grass, trees, and paths, where people can walk or relax
Example
The children were playing in the park.
C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
B1 noun/adjective /ˈɪnstənt/

instant

Meaning
A very short period of time; happening immediately.
Example
He replied in an instant without hesitation.
A2 adjective /hjuːdʒ/

huge

Meaning
extremely large in size or amount
Example
The stadium was filled with a huge crowd.
C2 noun /kəˈpærɪsən/

caparison

Meaning
an ornamental covering for a horse; rich and elaborate clothing or decoration
Example
The king’s horse was adorned with a golden caparison.
B2 adjective /raɪp/

Ripe

Meaning
fully developed and ready to eat; mature; ready for action or use
Example
The bananas are ripe and ready to eat.
C2 verb /ˌsuːpərˈæd/

superadd

Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
B2 adjective /hɑːrˈmoʊ.ni.əs/

harmonious

Meaning
Characterized by agreement or concord; forming a pleasing or consistent whole.
Example
A harmonious work environment boosts productivity.
C2 verb /rɪˈtrɛntʃ/

retrench

Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
B1 noun /ˈdaɪ.ə.lɑːɡ/

Dialogue

Meaning
a conversation between two or more people; discussion aimed at exploration of a subject
Example
The political leaders engaged in meaningful dialogue to resolve the conflict.
C1 adjective /ʌnˈsəʊʃəbl/

unsociable

Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
B2 verb /kreɪv/

crave

Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
B2 noun /ˈhɛdˌkwɔːrtərz/

headquarters

Meaning
The main office or center of operations of an organization.
Example
The company’s headquarters is located in New York.
C2 noun /ˈsteɪtkraft/

statecraft

Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
B1 verb /dɪˈfiːt/

Defeat

Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
B1 adjective /ʌnˈjuzd/

Unused

Meaning
not being used; not having been used before
Example
There are many unused rooms in this old mansion.
C2 noun/verb /ɡraʊtʃ/

grouch

Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
B2 adjective /ˈmæn.ju.əl/

Manual

Meaning
done by hand; operated by hand; not automatic
Example
This is a manual process that requires careful attention.
B2 verb /ˌoʊvərˈwɛlm/

overwhelm

Meaning
to overpower someone emotionally or physically; to be too much to handle
Example
She was overwhelmed with gratitude after receiving the help.
C2 noun, verb /ˈfɪlɪˌbʌstər/

filibuster

Meaning
a tactic of delaying legislative action by prolonged speech; to use such a tactic
Example
The senator filibustered for hours to prevent the bill from passing.
B2 noun /ˌɑb.zɚˈveɪ.ʃən/

Observation

Meaning
the action of watching something carefully; a comment or remark
Example
The scientist made careful observations of the experiment.
C1 noun /ˈdɑːsieɪ/

dossier

Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
C1 noun /ɪnˈsæn.ə.ti/

Insanity

Meaning
the state of being seriously mentally ill; extreme foolishness or irrationality
Example
The defense lawyer argued that his client was not guilty by reason of insanity.
B2 noun /brɪŋk/

brink

Meaning
The edge or point just before a significant event or change.
Example
The company was on the brink of bankruptcy.
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
B1 noun /ˈlaɪ.kɪŋ/

Liking

Meaning
a feeling of regard or fondness; a preference or taste for something
Example
She has developed a liking for classical music.
B1 noun ˈdɪsɪplɪn

discipline

Meaning
The practice of training people to obey rules or a code of behavior, using punishment to correct disobedience
Example
Discipline helps maintain focus and productivity.
C2 noun /ˈtʃælɪs/

chalice

Meaning
A large cup or goblet, typically used for drinking wine in religious ceremonies.
Example
The priest lifted the golden chalice during the ceremony.
A2 adjective /ˈpriː.vi.əs/

Previous

Meaning
occurring before in time or order; earlier; former
Example
I reviewed the previous chapter before starting the new one.
A1 noun /haʊs/

house

Meaning
A building for people to live in, usually with rooms and a roof.
Example
They bought a new house in the city.
C1 adjective /ˌæntiˈneɪtl/

antenatal

Meaning
Relating to the medical care and treatment given to a pregnant woman before the birth of her child.
Example
She attended regular antenatal checkups throughout her pregnancy.
C1 adjective daɪˈvɜː.dʒənt

divergent

Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
C1 adjective /ɪnˈtrɛntʃt/

entrenched

Meaning
Firmly established and unlikely to change.
Example
Corruption is deeply entrenched in the system.
C2 adjective /ˌmɪsənˈθrɑːpɪk/

misanthropic

Meaning
having or showing a dislike of humankind
Example
His misanthropic attitude made it difficult for him to make friends.
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.
C1 noun /ˈtrɪŋkɪt/

trinket

Meaning
a small ornament or piece of jewelry that is not expensive
Example
She bought a little trinket from the beach market as a souvenir.
B1 adjective /ʌnˈedjʊkeɪtɪd/

Uneducated

Meaning
lacking education; not having received formal schooling or training
Example
Many uneducated workers struggle to find well-paying jobs.
B2 adjective /əˈnɒn.ɪ.məs/

Anonymous

Meaning
having an unknown name or identity; nameless
Example
The author published the book under an anonymous pseudonym.
B2 noun /ˈpɪs.təl/

Pistol

Meaning
a small gun that can be held and fired with one hand
Example
The officer drew his pistol from the holster.
B1 verb /əˈrɛst/

arrest

Meaning
to catch and hold by legal authority; to stop suddenly
Example
The police will arrest the suspect tomorrow.
C2 verb /dɪsˈteɪn/

distain

Meaning
to treat with scorn or contempt (archaic form of disdain)
Example
He would never distain those who had less fortune than him.
B1 noun /twɪn/

twin

Meaning
either of two children born at the same time to the same mother
Example
They have twin girls.
B2 verb /ɪnˈheɪl/

inhale

Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
C2 noun /ˈkɒŋ.kɔː.dæt/

concordat

Meaning
An agreement or treaty, especially between the Vatican and a secular government.
Example
The concordat established the rights of the church within the country.
C2 noun /lɒx/

loch

Meaning
a lake or sea inlet, especially in Scotland
Example
Tourists visit Loch Ness to search for the legendary monster.
C2 verb /səˈfjuːz/

suffuse

Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

Meaning
A machine that generates electricity; a person with great energy and enthusiasm.
Example
She is the real dynamo behind the success of the company.
C1 noun /sərˈveɪər/

surveyor

Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
B2 noun /ʌnˈkɒnʃəsnəs/

unconsciousness

Meaning
the state of being unaware of and unable to respond to one's surroundings
Example
After the accident, he was in a state of unconsciousness for several hours.
B2 adjective, noun /ˈfeɪʃəl/

facial

Meaning
Relating to the face; a beauty treatment for the face
Example
She booked a facial at the spa.
C1 noun ɪˌræʃ.ənˈæl.ɪ.ti

irrationality

Meaning
The quality of being illogical or unreasonable; lack of rational thought.
Example
His decision was driven by complete irrationality.
A2 noun /ˈroʊbɒt/

robot

Meaning
a machine capable of carrying out a complex series of actions automatically
Example
The factory uses robots to assemble cars efficiently.
C2 noun /ˈfʌstɪən/

fustian

Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
B1 noun ɪˈməʊʃənz

emotions

Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
C1 verb /lɜːrk/

lurk

Meaning
to remain hidden so as to wait for an opportunity to attack or observe
Example
A stranger lurked in the shadows.
B2 noun /ˈraɪvəlri/

Rivalry

Meaning
competition for the same objective or for superiority in the same field; the state of being rivals
Example
The rivalry between the two teams made the match exciting.
B1 noun ˈpʌb.lɪk ˈspiː.kɪŋ

public speaking

Meaning
The skill of speaking confidently in front of an audience.
Example
Public speaking skills are essential for leadership roles.
C2 adjective kaɪˈmɛr.ɪ.kəl

chimerical

Meaning
Illusory or impossible to achieve; existing only in imagination.
Example
His chimerical ideas often baffled realists.
C2 noun /lɔːŋ ˈpepər/

Long pepper

Meaning
a flowering vine in the family Piperaceae, cultivated for its fruit which is used as a spice
Example
Long pepper was more valuable than black pepper in ancient times.
B2 noun /ˈspəʊkswɪmən/

spokeswoman

Meaning
a woman who speaks on behalf of a group or organization
Example
The spokeswoman for the company announced the new product.
B1 verb /rɪˈvjuː/

review

Meaning
to examine or assess something again; to write a critical evaluation
Example
I need to review my notes before the exam.
B2 noun /ˌsɛlf ɪˈstiːm/

self-esteem

Meaning
confidence in one's own worth or abilities; self-respect
Example
Building self-esteem takes time and consistent effort.
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
B2 noun ɪnˈsɛntɪvz

incentives

Meaning
Things that motivate or encourage one to do something.
Example
Tax incentives are used to encourage investment in renewable energy.
B2 noun /kraɪˈtɪəriən/

criterion

Meaning
A standard or rule used to make a judgment or decision.
Example
Honesty is an important criterion for this job.
C2 noun /ˈkætɪtʃuː/

Catechu

Meaning
an extract from a tropical Asian plant, used in tanning and dyeing
Example
Catechu extract is commonly used in traditional medicine.
C2 verb /ɡɪld/

gild

Meaning
to cover something with a thin layer of gold or to make something appear more attractive than it really is
Example
The craftsman gilded the frame to give it a luxurious look.
C1 verb /ˈæmbʊʃ/

ambush

Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
C2 adjective /ɪmˈpɪəriəs/

imperious

Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
A2 noun /ˈnæpkɪn/

napkin

Meaning
a piece of cloth or paper used to wipe the mouth and hands while eating
Example
She placed a napkin on her lap before eating.
C1 noun /prəʊˌkræs.tɪˈneɪ.ʃən/

procrastination

Meaning
The act of delaying or postponing tasks or activities.
Example
Procrastination is the enemy of success.
C2 verb /kənˈtɔːrt/

contort

Meaning
to twist or bend out of the normal shape
Example
She contorted her face in pain after the injury.
C1 adjective /ˈriːɡəl/

regal

Meaning
Resembling or fit for a king; majestic or royal.
Example
The queen entered the hall with a regal presence.
C1 adjective /ˈmæn.li/

Manly

Meaning
having qualities traditionally associated with men; brave; courageous
Example
He showed manly courage during the crisis.
C2 noun /ˈdɪfθɒŋ/

diphthong

Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
C2 adjective /ʌnˈtʃeɪst/

Unchaste

Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
C1 noun /dɪˈsiːt/

Deceit

Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
B2 adjective ˈɡluːmi

gloomy

Meaning
Dark or poorly lit; depressing or pessimistic.
Example
The atmosphere suddenly turned gloomy.
B2 noun dɪˈstrækʃən

distraction

Meaning
Something that prevents concentration or takes attention away from something else.
Example
Distraction during study time can hinder learning.
B2 noun /ˌdʒen.əˈrɒs.ə.ti/

Generosity

Meaning
the quality of being kind and generous; willingness to give money, help, kindness freely
Example
The billionaire's generosity was evident in his numerous charitable donations to hospitals.
C1 noun məˈnjʊər

manure

Meaning
Animal dung used for fertilizing land; organic matter used as fertilizer.
Example
Organic manure enhances soil fertility.
C2 verb /ˈɡɑːrbəl/

garble

Meaning
To reproduce a message in a confused, distorted, or unclear way.
Example
The poor phone connection garbled his words.
C2 adjective /ɪkˈskɜːsɪv/

excursive

Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.