oscillation
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C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
C1 adverb /pɜːr ˈseɪ/

per se

Meaning
By or in itself; intrinsically.
Example
The idea is not bad per se, but it needs improvement.
C2 adjective, noun /pləˈbiːən/

plebian

Meaning
alternate spelling of 'plebeian'; common or ordinary
Example
His tastes were rather plebian, favoring simple food and clothes.
C1 verb /ˈməʊbɪlaɪz/

mobilize

Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
B2 adjective səˈsteɪ.nə.bəl

sustainable

Meaning
Able to be maintained at a certain rate or level; conserving an ecological balance.
Example
Sustainable practices mitigate environmental impact.
C1 noun /pɪˌdɛs.tri.ə.naɪˈzeɪ.ʃən/

pedestrianization

Meaning
Making areas pedestrian-friendly, closing any area to vehicle traffic and making it open only for pedestrians.
Example
The pedestrianization of city centers reduces pollution.
B2 noun/verb /ˈbʌfər/

buffer

Meaning
Something that lessens or absorbs the impact of a shock; to act as a protective barrier.
Example
The organization acts as a buffer between workers and management.
C1 noun /kəˈres/

Caress

Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
A2 noun /ˈkloʊðɪŋ/

clothing

Meaning
items worn to cover the body; apparel collectively
Example
Warm clothing is essential in winter.
C1 verb /ˌaʊtˈstrɪp/

outstrip

Meaning
To go faster or do better than someone or something; to surpass.
Example
The company outstripped its competitors in sales last year.
B1 noun əˈwɛrnɪs

Awareness

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

recording

Meaning
the act or process of recording something
Example
The recording of the interview was clear and loud.
C1 noun /ˈpɪl.fər.ɪdʒ/

Pilferage

Meaning
the theft of small amounts or items, especially from one's workplace
Example
The company installed cameras to prevent pilferage.
C1 adjective /ˈɪnsələnt/

insolent

Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
C2 noun ˈvɜː.mɪ.kʌl.tʃər

vermiculture

Meaning
The cultivation of earthworms, especially for use in composting organic waste.
Example
Vermiculture enriches soil with natural nutrients.
B2 verb /reɪn/

reign

Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
C1 adjective /steɪd/

staid

Meaning
Serious, respectable, and unadventurous.
Example
He came from a staid family background.
C2 verb /ˌkɒnvəˈlɛs/

convalesce

Meaning
to recover health and strength after illness or medical treatment
Example
After the surgery, she spent several weeks convalescing at home.
A1 noun /bɔɪ/

boy

Meaning
a male child or young male person
Example
The boy ran across the playground.
A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

Meaning
the course or path on which someone or something is moving; instructions on what to do
Example
He asked for directions to the train station.
B2 noun /ˈprɒs.pekts/

prospects

Meaning
The possibility or likelihood of some future event occurring.
Example
The prospects for growth look promising.
C2 adjective /ˈmɪnətɔːri/

minatory

Meaning
Expressing a threat; menacing.
Example
The criminal gave the witness a minatory look.
A1 noun /mʌnθ/

month

Meaning
a period of about four weeks or one-twelfth of a year
Example
She visits her grandparents once a month.
C2 adjective /ˈblæs.fə.məs/

blasphemous

Meaning
showing disrespect or lack of reverence for God or sacred things
Example
The book was banned for its blasphemous content.
B1 noun /əˈpruː.vəl/

approval

Meaning
official permission or agreement for something
Example
The project received government approval.
C1 verb ˈplʌmɪtɪŋ

plummeting

Meaning
Falling or dropping suddenly and steeply; decreasing rapidly
Example
The fertility rate in Bangladesh is plummeting.
C2 noun /ˈdaɪɡræf/

digraph

Meaning
A pair of letters representing a single sound, such as 'sh' in 'ship'.
Example
In the word 'phone', the letters 'ph' form a digraph.
A2 abbreviation (noun/pronoun) /ˈsʌmθɪŋ/

sth.

Meaning
abbreviation for 'something'
Example
Can you give me sth. to write with?
B1 adjective /kəmˈpetətɪv/

competitive

Meaning
relating to or characterized by competition; having a strong desire to win or be more successful
Example
She has a competitive spirit that drives her to excel.
B2 noun /ˈaʊtˌfɪt/

outfit

Meaning
A set of clothes worn together, often for a particular occasion.
Example
She wore a beautiful outfit to the party.
C1 noun /streɪt/

strait

Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
C1 verb /ˌdɪskənˈsɜːrt/

disconcert

Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
B1 noun /ˈmiːtər/

meter

Meaning
A unit of length in the metric system equal to 100 centimeters; also, a device that measures quantity such as electricity or gas.
Example
The technician came to check the electricity meter.
A2 noun tuːlz

Tools

Meaning
A device or implement used to carry out a particular function.
Example
You can use online tools like FamilySearch to create a family tree.
B2 noun /kənˈstɪtʃ.u.ənts/

constituents

Meaning
Components or elements used to create something.
Example
Proteins and vitamins are essential constituents of a healthy diet.
C1 noun, adjective /ˈpɑːrtɪzən/

partisan

Meaning
A strong supporter of a party, cause, or person; showing biased allegiance.
Example
The debate quickly turned partisan, with each side defending their own agenda.
A2 noun /ˈdɪs.təns/

Distance

Meaning
the length of space between two points; remoteness in place, time, or relationship
Example
The distance between the two cities is approximately three hundred kilometers.
C1 noun, adjective /ˈrɛvərənd/

reverend

Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
C1 verb /ˈʃʌdər/

shudder

Meaning
to tremble or shake suddenly, often due to fear, cold, or strong emotion
Example
She shuddered at the thought of walking alone in the dark forest.
B1 noun /ˈrʌbər/

rubber

Meaning
a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.
Example
The tires are made of natural rubber.
C1 noun /klaʊt/

clout

Meaning
influence or power, especially in politics or business
Example
The businessman has a lot of political clout.
B1 adjective /ˈdɪstənt/

Distant

Meaning
far away in space or time; remote
Example
We could see a distant mountain on the horizon.
B2 noun /ɪnˈventər/

inventor

Meaning
a person who creates or designs something new, especially a device, method, or process
Example
The inventor patented her new medical device.
C2 verb /ˈkɒsɪt/

cosset

Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
C1 adjective /ˈwaɪ.li/

Wily

Meaning
clever; cunning; sly
Example
The wily fox escaped from the trap using his cunning intelligence.
A2 noun/verb /ˈbʌdʒɪt/

budget

Meaning
An estimate of income and expenditure for a set period of time; to plan expenses and income.
Example
The family created a budget to manage their expenses.
C2 noun /mæŋˈɡoʊ.li.ə/

Mangolia

Meaning
a type of flowering tree with large, fragrant pink or white flowers
Example
The beautiful magnolia tree bloomed in spring with pink flowers.
A1 verb /wɜːrk/

work

Meaning
to perform tasks or duties to earn money or achieve goals
Example
He works as a teacher at the local school.
C2 noun /ˌpɒl.iˈsɪl.ə.bəl/

polysyllable

Meaning
a word with more than one syllable
Example
The word 'elephant' is a polysyllable because it has three syllables.
C2 adjective /ˈdɪstəl/

distal

Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
B2 adjective /ˌɑːrkɪˈtɛktʃərəl/

architectural

Meaning
relating to the design and style of buildings and structures
Example
The city is known for its beautiful architectural designs.
C1 noun /sɪv/

sieve

Meaning
a utensil with a mesh or perforated bottom, used for straining or sifting
Example
She used a sieve to strain the pasta.
C2 noun /sɪlf/

sylph

Meaning
A mythical spirit of the air; also refers to a slender, graceful woman.
Example
She moved across the stage like a sylph, light and graceful.
B1 noun /mæsk/

Mask

Meaning
covering for the face or head; disguise or protection
Example
She wore a mask to protect herself from dust.
B1 noun /dɪˈtɛktɪv/

detective

Meaning
a person whose job is to investigate and solve crimes
Example
The detective solved the mystery in just two days.
B1 noun /ˈpæsɪdʒ/

passage

Meaning
a narrow way through or between; a section of text or music; the process of moving from one state or place to another
Example
The narrow passage led from the courtyard to the library.
B2 noun /ˈriːteɪlər/

retailer

Meaning
a person or business that sells goods to consumers rather than to other businesses
Example
The retailer offers discounts on electronic products.
B2 adjective /fɔːrˈsiːəbl/

foreseeable

Meaning
Able to be predicted or expected in advance
Example
The company is unlikely to make changes in the foreseeable future.
B2 adjective /ˈʃɒkɪŋ/

shocking

Meaning
causing surprise or disbelief; startling
Example
The news of the accident was shocking to everyone.
B2 noun /lɔːntʃ/

Launch

Meaning
a large motorboat or a boat used to transport people and goods
Example
We took a launch to cross the river.
C1 noun /krʌks/

crux

Meaning
the most important or decisive point of an issue
Example
The crux of the problem lies in poor communication.
C2 adjective /ˈsɪlvən/

sylvan

Meaning
Relating to or characteristic of the woods or forest.
Example
The cottage was set in a sylvan landscape full of tall trees.
B2 noun, verb /ɪntʃ/

inch

Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
C2 noun /ˈpær.əkˌsɪz.əm/

paroxysm

Meaning
A sudden, violent outburst of emotion or activity.
Example
She was seized by a paroxysm of laughter.
A2 noun /ˈɪm.ɪdʒ/

Image

Meaning
a representation of the external form of a person or thing in art; a mental picture or impression
Example
The company worked hard to improve its public image after the scandal.
C2 adjective /ˈpæsɪbəl/

passible

Meaning
capable of feeling or suffering; susceptible to sensation or emotion (often theological)
Example
In some traditions, deities are described as passible, sharing human emotions.
C2 verb /ɪkˈstɛnjueɪt/

extenuate

Meaning
to make an offense, fault, or situation seem less serious by providing an excuse or explanation
Example
The lawyer tried to extenuate his client's actions by highlighting his difficult childhood.
B2 verb /maɪˈɡreɪt/

migrate

Meaning
To move from one region or habitat to another, especially regularly according to the seasons or for work.
Example
Birds migrate south during the winter.
B2 noun ɪˈroʊʒən

erosion

Meaning
The gradual destruction or diminishing of something.
Example
Power struggles often lead to the erosion of humanity.
C1 verb /pɑːrs/

parse

Meaning
to analyze a sentence or text grammatically or logically
Example
The software can parse large amounts of text data efficiently.
B1 adjective /ˈmɪzərəbəl/

Miserable

Meaning
very unhappy; wretched; causing suffering
Example
He felt miserable after losing his job.
B1 adverb /ˈmiːn.waɪl/

Meanwhile

Meaning
at the same time; during the same period
Example
She was cooking dinner, meanwhile he was setting the table.
C1 adjective /ˌhɑːrdˈhɑːrtɪd/

hard-hearted

Meaning
showing no kindness or sympathy; cruel
Example
The landlord was hard-hearted and refused to help the poor family.
C1 verb /ɡloʊt/

gloat

Meaning
To take pleasure in someone else's misfortune or to show smug satisfaction.
Example
He couldn't help but gloat over his rival's failure.
B2 noun /ɪmˈpaʊə.mənt/

empowerment

Meaning
Authority or power given to someone to do something.
Example
Empowerment initiatives enhance confidence.
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.
C1 noun, verb /ˈtætər/

tatter

Meaning
A torn piece of cloth or clothing; to become ragged or torn.
Example
The old flag hung in tatters after the storm.
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
C2 adjective /ədˈmɒnɪtəri/

admonitory

Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
C1 adjective /ˈdɔːr.mənt/

Dormant

Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
C1 verb /ˈrʌm.ɪdʒ/

rummage

Meaning
to search through something in a disorderly way
Example
He rummaged through the drawer for his keys.
C1 verb /rɪˈvɪər/

revere

Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
C2 verb /ˈstɪp.əl/

stipple

Meaning
to cover a surface with numerous small dots or specks, often in drawing or painting
Example
The artist stippled the canvas to create a textured effect.
B1 noun /ˈɡrænd.tʃaɪld/

grandchild

Meaning
the child of one's son or daughter
Example
They love spending time with their grandchild on weekends.
C1 noun /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
C1 noun /ˈhɑː.stɪdʒ/

Hostage

Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
C1 noun /ruːz/

Ruse

Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
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.
C1 noun/verb /ˈhɛmərɪdʒ/

hemorrhage

Meaning
A significant loss of blood from a ruptured blood vessel, or to lose blood heavily.
Example
The patient suffered a severe brain hemorrhage.
C2 noun /ˈmɪn.i.ən/

minion

Meaning
A follower or underling of a powerful person, especially a servile one.
Example
The dictator was surrounded by loyal minions who carried out his orders.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
A2 noun /fraɪd raɪs/

Fried rice

Meaning
a dish of cooked rice that has been stir-fried in a wok or frying pan
Example
We ordered chicken fried rice from the Chinese restaurant.
A2 adjective /ˈpraɪ.vət/

Private

Meaning
personal; confidential; not public; individual
Example
This is a private conversation between two friends.
C1 noun /səbˈmɜːrdʒəns/

submergence

Meaning
the act or process of being submerged or going underwater
Example
The submergence of coastal areas is a major concern due to rising sea levels.
A2 noun /miːl/

Meal

Meaning
food that is prepared and eaten at a specific time
Example
We enjoyed a delicious meal at the restaurant.
B2 noun /ˈden.sə.ti/

Density

Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
C1 verb /ʌnˈrævəl/

unravel

Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
B1 noun /ˈvaɪ.ə.ləns/

Violence

Meaning
behavior involving physical force intended to hurt, damage, or kill; extreme force or intensity
Example
The government condemned all forms of violence against civilians.
C2 noun /laʊt/

lout

Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

Meaning
The process or activity of accurately ascertaining one's position and planning and following a route.
Example
GPS technology has improved the navigation of self-driving cars.
B1 noun ˈtɑː.ɡɪt

target

Meaning
An object, person, or place selected as the aim of an attack or focus of attention.
Example
Achieving energy targets is critical for global progress.
C2 noun /ˈspæŋɡəl/

spangle

Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
A2 noun /ˈdɪkʃəˌnɛri/

dictionary

Meaning
A reference book or electronic resource containing words, usually arranged alphabetically, with information about their meanings, pronunciations, etymologies, and usage.
Example
I looked up the word in the dictionary to understand its meaning.
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
C2 adjective /ˈtaɪmwɔːrn/

timeworn

Meaning
Worn or impaired by age; old and used many times.
Example
The timeworn house carried a sense of history and nostalgia.
C1 verb /ˈrɛlɪɡeɪt/

relegate

Meaning
to assign to a lower rank, position, or category
Example
The manager decided to relegate the player to the bench.
B2 noun /ˈsɛnətər/

senator

Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
C1 verb /slɪŋk/

slink

Meaning
to move quietly and secretly, often to avoid being noticed
Example
The cat slunk into the room without making a sound.
C2 noun /dɪsˈtɛmpər/

distemper

Meaning
a viral disease affecting animals, especially dogs; also refers to a state of disorder
Example
The dog was diagnosed with distemper and needed immediate care.
B2 adjective /veɪɡ/

Vague

Meaning
unclear or uncertain in meaning; not clearly expressed
Example
His explanation was too vague for me to understand.
B2 adverb /ˈdʒɛnjʊɪnli/

genuinely

Meaning
in a truthful and sincere way
Example
She genuinely cares about the environment.
A1 pronoun /ðɛm/

them

Meaning
used to refer to people or things previously mentioned or easily identified
Example
I saw them at the park yesterday.
B2 verb /poʊk/

poke

Meaning
to push or prod with a finger or pointed object
Example
Don't poke me with your finger.
B1 noun /kəmˈpleɪnt/

complaint

Meaning
a statement that something is wrong or not satisfactory
Example
The manager received a complaint from a customer about poor service.
A1 pronoun /ðoʊz/

those

Meaning
used to refer to people or things that are far away or distant in space, time, or thought
Example
Those are the shoes I want.
C1 noun /ˈslændər/

Slander

Meaning
the action of making false spoken statements damaging to someone's reputation
Example
The politician sued the newspaper for slander.
C1 verb ˈhɪndər

hinder

Meaning
To obstruct or delay the progress of something
Example
Excessive rain hinders vegetable growth.
C1 noun /ˈkɒn.vɔɪ/

convoy

Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.