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C2 adjective /saɪˈdɪəriəl/

sidereal

Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
C1 verb /ˈpɑːzɪt/

posit

Meaning
To assume or suggest something as a fact or basis for reasoning.
Example
The scientist posited a new theory to explain the phenomenon.
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
A1 noun /tuː/

two

Meaning
the number following one
Example
She has two children.
C1 adjective /ʌnˈfɛtərd/

unfettered

Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
B1 verb /sərˈvaɪv/

survive

Meaning
To continue to live or exist after a difficult event or situation.
Example
He managed to survive the storm.
B1 adjective ˈkɒmplɛks

complex

Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
B2 noun /vaɪs/

Vice

Meaning
an immoral or wicked behavior; a moral failing or fault
Example
Smoking is his only vice.
C2 noun /liːdʒ/

liege

Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
C1 verb /dɔːnt/

daunt

Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
C1 verb /ˈprɪkəl/

prickle

Meaning
to cause a slight stinging or tingling sensation on the skin
Example
Her skin began to prickle in the cold wind.
B1 adverb /ɪnˈkriːsɪŋli/

increasingly

Meaning
more and more over time
Example
People are increasingly concerned about climate change.
C1 adjective /ˈloʊli/

lowly

Meaning
humble in status, position, or manner
Example
She rose from a lowly position to become the company's CEO.
B2 noun /ˌkɒmplɪˈkeɪʃən/

complication

Meaning
A problem or difficulty that makes a situation harder to deal with.
Example
His illness led to serious complications after surgery.
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
B1 adjective /ˌoʊvərˈsiːz/

overseas

Meaning
in or to a foreign country across the sea
Example
He went overseas for higher education.
C2 adjective /ˈtrɛmjələs/

tremulous

Meaning
shaking or quivering slightly, often from nervousness or weakness
Example
Her voice was tremulous as she gave her speech.
C1 noun /ˈɛər.luːm/

heirloom

Meaning
a valuable object that has belonged to a family for several generations
Example
The ring is a family heirloom passed down from her grandmother.
B1 adjective /ʌnˈlaɪkli/

Unlikely

Meaning
not likely to happen; improbable
Example
It's unlikely to rain today with such clear skies.
B2 adjective /ˈhɒs.taɪl/

Hostile

Meaning
unfriendly; aggressive; antagonistic;
Example
The hostile environment made it difficult to work.
A2 conjunction /nɔːr/

nor

Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
C1 verb /ɪkˈstoʊl/

extol

Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
C2 noun /rɪˈsɪʒən/

rescission

Meaning
the cancellation or annulment of a law, contract, or agreement
Example
The rescission of the contract left both parties disappointed.
B2 noun ˈsəʊ.lər ˈen.ə.dʒi

solar energy

Meaning
Energy from the sun that is converted into thermal or electrical energy.
Example
Solar energy is vital for reducing carbon emissions.
A2 noun /ˈkrɪk.ɪt/

Cricket

Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
B2 noun /ˈɔːltər/

Altar

Meaning
a raised structure on which offerings or sacrifices are made to a deity
Example
The bride and groom stood before the altar during the ceremony.
C2 adjective /ˌmæl.əˈfɪʃ.ənt/

maleficient

Meaning
Doing harm or evil; having a harmful effect.
Example
The maleficient acts of the tyrant ruined the kingdom.
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 adjective /ˈɑːr.dənt/

Ardent

Meaning
very enthusiastic; passionate; fervent
Example
She is an ardent supporter of environmental conservation.
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.
C1 noun /ˈɜːr.θən pɒt/

Earthen pot

Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
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.
B2 adjective /slæk/

slack

Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
C2 verb /meɪm/

maim

Meaning
To wound or injure someone so that part of the body is permanently damaged.
Example
The accident maimed several passengers.
C1 noun /daɪˈsɛkʃən/

dissection

Meaning
the act of cutting apart or analyzing something in detail, especially a body or structure
Example
The dissection of the specimen revealed important details about its structure.
C2 adjective /ˈfæl.oʊ/

fallow

Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
C2 noun /ˈlæsɪtjuːd/

lassitude

Meaning
a state of physical or mental weariness; lack of energy
Example
After the long hike, a feeling of lassitude swept over the group.
B1 noun /tæŋk/

Tank

Meaning
a heavily armored fighting vehicle moving on a continuous track
Example
The tank rolled through the battlefield with powerful armor.
B2 verb /ˈbrɔːdən/

broaden

Meaning
to make wider or larger in scope; to expand ideas, experience, or understanding
Example
Travel can broaden your perspective on different cultures.
C2 verb /ɪmˈbɪtər/

embitter

Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
B2 noun /ˌref.jʊˈdʒiː/

Refugee

Meaning
a person who has been forced to leave their country in order to escape war, persecution, or natural disaster
Example
The refugee camp provided temporary shelter for thousands of displaced families.
B1 noun/verb /ˈdɒkjʊmənt/

document

Meaning
Noun: A written, printed, or electronic record that provides information or evidence. Verb: To record information in written or electronic form.
Example
She carefully documented all the expenses of the trip.
B1 noun ɪnˈvestmənt

investment

Meaning
The action or process of investing money for profit or material result.
Example
Investment in waste management infrastructure is essential.
C1 verb rɪˈpel

repel

Meaning
To push away or force apart due to similar charges or properties.
Example
Protons repel each other.
B1 verb /ˈstɒpɪŋ/

stopping

Meaning
Coming to a halt or pause.
Example
The ship is stopping at the Falkland Islands.
C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
C1 noun /deɪˈtɑːnt/

detente

Meaning
the easing of hostility or strained relations, especially between countries
Example
The two nations worked toward detente after decades of conflict.
C2 noun /ˌfaɪ.təʊˈkem.ɪ.kəlz/

phytochemicals

Meaning
Natural chemical compounds produced by plants that provide health benefits beyond basic nutrition, often having antioxidant properties.
Example
Phytochemicals in green tea help reduce inflammation.
A1 noun /ˈnʌmbər/

number

Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
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.
B2 noun /ɪnˈtɪəriər/

interior

Meaning
the inside part of something; inner area of a place or object
Example
The interior of the hotel was beautifully decorated.
C2 adjective /ˈneɪtl/

natal

Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
C2 verb /ˈsnʌfəl/

snuffle

Meaning
to breathe noisily through the nose, often because of crying or a cold
Example
The child began to snuffle after crying for a long time.
C2 verb /ˈsɜːrkəmskraɪb/

circumscribe

Meaning
to limit or restrict something within boundaries
Example
The rules circumscribe the powers of the committee.
C1 noun /ˌjuːθəˈneɪʒə/

euthanasia

Meaning
The practice of intentionally ending a life to relieve pain and suffering.
Example
The debate about euthanasia raises difficult ethical questions.
B2 noun /ˈmeɪnˌlænd/

mainland

Meaning
the principal landmass of a country or continent, as opposed to the surrounding islands
Example
The mainland of Australia is home to most of its population.
C1 adjective /ɪnˈfɜːm/

infirm

Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
B1 noun /prəˈməʊ.ʃən/

Promotion

Meaning
the act of raising someone to a higher position; advertising to increase sales
Example
She received a promotion to manager after five years of hard work.
C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

Meaning
In a way that is naturally or inherently part of something's essential nature.
Example
Some people are intrinsically motivated to learn.
C1 noun /ˌɪn.trəˈspek.ʃən/

introspection

Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
C1 verb /dɪsˈbænd/

disband

Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
C1 noun/verb /ˈsuː.tʃər/

suture

Meaning
A stitch or row of stitches holding together the edges of a wound or surgical incision.
Example
The doctor used a suture to close the wound.
C1 noun/verb /rɪˈproʊtʃ/

reproach

Meaning
An expression of disapproval or disappointment; to criticize someone for doing wrong.
Example
She reproached him for arriving late to the meeting.
C2 noun /dʒenˈtɪl.ə.ti/

Gentility

Meaning
social superiority as demonstrated by polite and refined manners; the quality of being well-mannered and refined
Example
Her natural gentility and grace made her popular among high society circles.
C2 adjective /æbˈstiːmiəs/

abstemious

Meaning
not allowing oneself much food or drink; marked by moderation
Example
She lived an abstemious life, avoiding all luxuries.
A2 noun /pɛt/

pet

Meaning
a domesticated animal kept for companionship or pleasure
Example
My dog is my favorite pet.
C2 verb əˈmiːljəreɪt

ameliorate

Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
C1 noun /ˌriː.pəˈkʌʃ.ən/

repercussion

Meaning
An unintended consequence occurring some time after an event or action.
Example
The economic crisis had severe repercussions on global trade.
B1 noun /trænzˈleɪʃən/

translation

Meaning
the process of converting text or speech from one language into another
Example
She completed the translation of the book within two months.
C1 adjective /ˈskeɪðɪŋ/

scathing

Meaning
severely critical; harshly scornful
Example
The critic wrote a scathing review of the movie.
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.
A2 verb /hɜːrt/

hurt

Meaning
to cause pain or injury; to feel pain physically or emotionally
Example
My back hurts from sitting too long.
C2 noun /ˈkʌlvərt/

culvert

Meaning
a tunnel or drain that carries water under a road or railway
Example
The heavy rainwater flowed through the culvert under the bridge.
C2 noun /ˈmɒnəˌsɪləbəl/

monosyllable

Meaning
A word consisting of only one syllable.
Example
Words like 'yes' and 'no' are monosyllables.
B2 noun /ˈprɒvɪns/

province

Meaning
a principal administrative division of certain countries or empires.
Example
The province is known for its rich cultural heritage and stunning landscapes.
A2 noun /bɔːrd/

board

Meaning
a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization
Example
The board decided to increase the budget.
C2 noun /ˌmɑːrtəˈnɛt/

martinet

Meaning
A strict disciplinarian who demands rigid adherence to rules.
Example
The new manager was such a martinet that even minor infractions were punished.
B2 adjective /ˈædɪkwət/

adequate

Meaning
sufficient or acceptable in quality or quantity
Example
The food was adequate for the small group.
C1 verb /ˌɪntərˈsɛpt/

intercept

Meaning
to stop, catch, or seize something on its way from one place to another
Example
The police intercepted the stolen car before it crossed the border.
C1 adjective /ˈkjuːmjələtɪv/

cumulative

Meaning
Increasing gradually by addition; growing in quantity, force, or effect.
Example
The cumulative effect of stress can harm your health.
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.
C1 verb /ˈfʌmbəl/

fumble

Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
C2 verb /poʊˈtɛnʃiˌeɪt/

potentiate

Meaning
To increase the power, effect, or likelihood of something.
Example
Caffeine can potentiate the effects of some medicines.
C1 noun /pæŋ/

pang

Meaning
a sudden sharp feeling of pain or emotional distress
Example
She felt a pang of guilt after the argument.
B2 noun /ˈɡæm.blər/

Gambler

Meaning
a person who gambles regularly, typically someone who cannot resist the urge to gamble
Example
The experienced gambler knew when to fold his cards and when to bet big.
C1 adjective /ɪnˈsɛp(ə)rəbəl/

inseparable

Meaning
Unable to be separated or always together.
Example
The two friends have been inseparable since childhood.
B2 verb, noun /stæb/

stab

Meaning
to pierce or wound with a pointed weapon or object
Example
He was stabbed in the back during the altercation.
B2 noun /ˈmes.ɪn.dʒər/

Messenger

Meaning
a person who carries messages or communications between parties
Example
The messenger delivered important battle plans to the commander.
C1 verb /ɪmˈpɪndʒ/

impinge

Meaning
to have an effect or impact on something; to encroach or infringe
Example
The noise from the construction site impinges on our daily activities.
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
B2 adjective /ˈfræʤaɪl/

fragile

Meaning
Easily broken or damaged; delicate.
Example
Be careful with that vase, it's very fragile.
B2 noun /dɪˈstɜː.bəns/

Disturbance

Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
C1 adjective /ˈfɛrəl/

feral

Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
B2 noun /ˈtɛnənsi/

tenancy

Meaning
The possession or occupation of land or property as a tenant.
Example
The tenancy agreement was signed for two years.
C1 noun/verb /ˈoʊvərˌhæŋ/

overhang

Meaning
To extend outward and hang over something; a projecting part.
Example
The roof overhang provides shade in the summer.
C2 noun /ˌjuːnɪˈtɛəriən/

unitarian

Meaning
A person who believes that God exists as one entity rather than as a Trinity; a member of a religious denomination that emphasizes individual freedom of belief.
Example
The Unitarian church is known for its inclusive and open-minded approach.
A1 adverb /ˈsʌm.taɪmz/

Sometimes

Meaning
at times; occasionally; now and then
Example
Sometimes I go for a walk in the evening.
C1 verb /ɡʌʃ/

gush

Meaning
to flow out suddenly and forcefully, or to express something enthusiastically
Example
Tears began to gush from her eyes.
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
C1 adjective /əˈrɛstɪŋ/

arresting

Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
C1 verb ɔːɡˈmɛntɪŋ

augmenting

Meaning
Increasing; making something greater in size, number, or degree
Example
Life expectancy is augmenting with advancements in healthcare.
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
A2 adjective /ˈsaɪ.lənt/

Silent

Meaning
making no sound; quiet; not speaking
Example
The library was completely silent during study hours.
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.
B2 adverb /ˈsoʊʃəli/

socially

Meaning
in a way that relates to society or social interaction
Example
He is very active socially and attends many events.
C2 noun /ˈpeɪpəsi/

papacy

Meaning
The office or authority of the Pope in the Roman Catholic Church.
Example
The papacy played a significant role in medieval European politics.
C1 verb /ˈpɪlfər/

pilfer

Meaning
to steal things of small value or in small quantities
Example
The employee was caught pilfering office supplies.
C2 noun /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
C2 adjective /rɪˈkʌmbənt/

recumbent

Meaning
lying down or in a resting position
Example
He was found recumbent on the sofa after a long day.
B2 noun /ˈprɛʃər ˈkʊkər/

Pressure cooker

Meaning
a sealed cooking pot that uses steam pressure to cook food faster
Example
Using a pressure cooker reduces cooking time by more than half.
C2 noun /dɪˈsɪstəns/

desistance

Meaning
The act of stopping or ceasing from some action or behavior.
Example
The court urged his desistance from further unlawful activities.
C1 adjective /ˈfaɪə.ri/

Fiery

Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
B2 noun /ˈænθəm/

anthem

Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
B1 noun /feɪθ/

Faith

Meaning
complete trust or confidence in someone or something; strong belief in religion
Example
She had unwavering faith in her team's ability to succeed.
B1 noun /ˈɡæsəˌliːn/

gasoline

Meaning
a liquid fuel made from petroleum, used mainly to power engines in vehicles
Example
The price of gasoline has increased significantly this month.
C1 noun /mɪsˈɡɪv.ɪŋ/

Misgiving

Meaning
A feeling of doubt or apprehension about the outcome or consequences of something
Example
She had serious misgivings about accepting the job offer.
C1 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
B2 noun /ˈɡælən/

gallon

Meaning
a unit of measurement for liquid capacity, equal to 4 quarts or approximately 3.8 liters
Example
He bought a gallon of milk.