optics
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C1 noun /ˈɒptɪks/

optics

Meaning
The branch of physics dealing with light and vision.
Example
She studied optics to understand how lenses work.
B1 noun /tɪn/

tin

Meaning
a metal container; a chemical element (Sn)
Example
She bought a tin of biscuits from the store.
C2 adjective /ˈtrɛmjələs/

tremulous

Meaning
shaking or quivering slightly, often from nervousness or weakness
Example
Her voice was tremulous as she gave her speech.
B2 noun /dɛk/

deck

Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
B2 noun/verb /ˈaʊtreɪdʒ/

outrage

Meaning
A strong feeling of anger and shock; to arouse anger or shock.
Example
The unfair decision caused public outrage.
C1 verb /ɪnˈstɪl/

instill

Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
C1 verb /ˈdræm.ə.taɪz/

dramatize

Meaning
to present a story in a dramatic way, or to exaggerate something
Example
The novel was dramatized into a popular TV series.
B1 verb /tʃuː/

chew

Meaning
to bite food into smaller pieces with your teeth before swallowing it
Example
You should chew your food properly to help with digestion.
C1 noun /bəˈbuːn/

Baboon

Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
B2 verb /ˌoʊvərˈiːt/

overeat

Meaning
To eat more food than the body needs.
Example
She tends to overeat when she is stressed.
B1 verb /seɪl/

sail

Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
A2 verb /daɪ/

die

Meaning
to stop living; to cease to exist
Example
The flowers will die without water.
B2 verb /skwɒʃ/

squash

Meaning
to crush or squeeze something with force so that it becomes flat or broken
Example
She accidentally squashed the bug with her shoe.
B2 noun /ˈbætʃələr/

Bachelor

Meaning
an unmarried man; a person who holds a first degree from a university
Example
He remained a bachelor all his life and earned a bachelor's degree in engineering.
A2 verb əˈdres

address

Meaning
To deal with or tackle (a problem or issue); to focus attention on.
Example
The government must address the issues of student politics.
C1 noun /ˈtɛstəmənt/

testament

Meaning
a person's will; or strong evidence of something
Example
His success is a testament to his hard work and dedication.
C1 adjective /ˈkɒɡ.nɪ.zənt/

cognizant

Meaning
Having knowledge or being aware of something.
Example
He was cognizant of the risks before starting the project.
B1 noun rɪˈdʌk.ʃən

reduction

Meaning
The action or fact of making a specified thing smaller or less in amount, degree, or size.
Example
Greenhouse gas reduction is a primary global goal.
A2 verb /əˈnaʊns/

announce

Meaning
to make a formal public statement about something
Example
The company will announce the new product tomorrow.
B1 adjective /ˈfluː.ənt/

Fluent

Meaning
able to speak a language easily and accurately; flowing smoothly and gracefully
Example
She is fluent in three languages including English and French.
C1 noun /niːʃ/

Niche

Meaning
A specialized segment of the market for a particular kind of product or service.
Example
Finding the right niche is key to a successful business.
C1 noun /fəˈrɒs.ə.ti/

ferocity

Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
C2 adjective /ˌsæpəˈneɪʃəs/

saponaceous

Meaning
Soapy or having the qualities of soap.
Example
The plant has saponaceous leaves that produce foam when rubbed in water.
C2 adjective /dɪˈluːsəri/

delusory

Meaning
Based on illusion; not real.
Example
He was filled with delusory hopes of becoming famous overnight.
C1 verb /ɪnˈdʒen.dər/

engender

Meaning
To cause or give rise to a feeling, situation, or condition.
Example
The speech engendered hope among the people.
C1 noun /ˌpɜːrspəˈreɪʃn/

perspiration

Meaning
The process of sweating.
Example
Heavy exercise causes perspiration.
C2 noun /ˈmeɪleɪ/

melee

Meaning
A noisy, confused fight or crowd situation.
Example
A melee broke out during the football match.
C1 noun ˈvæljuː beɪst ˌɛdjuːˈkeɪʃən

value-based education

Meaning
Education that emphasizes moral principles and ethical values.
Example
Value-based education shapes moral character.
C1 noun /slæb/

slab

Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
C1 noun /ˈtɪt.bɪt/

Titbit

Meaning
a small piece of tasty food; a small interesting piece of information
Example
She served delicious titbits at the party.
B2 verb /ɪnˈspekt/

inspect

Meaning
to examine something carefully to check for problems or faults
Example
The engineer will inspect the building for structural damage.
C2 noun /lɒx/ or /lɒk/

lough

Meaning
An Irish or Scottish word for a lake or sea inlet.
Example
The fishermen lived by the lough for generations.
B1 adjective ɪˈməʊʃənl

emotional

Meaning
Having feelings that are easily excited and openly displayed.
Example
Visiting the burial site made him emotional.
B1 adjective /ˌoʊvərˈsiːz/

overseas

Meaning
in or to a foreign country across the sea
Example
He went overseas for higher education.
B1 noun /ˈmɪd.naɪt/

Midnight

Meaning
Twelve o'clock at night; the middle of the night
Example
The clock struck midnight and the new day began.
C2 verb /ˈɡɑːrbəl/

garble

Meaning
To reproduce a message in a confused, distorted, or unclear way.
Example
The poor phone connection garbled his words.
A2 verb /əˈtæk/

attack

Meaning
to use violence against someone; to criticize strongly
Example
The enemy forces attacked at dawn.
C1 noun /ˈlɪməˌziːn/

limousine

Meaning
a large, luxurious car driven by a chauffeur.
Example
The bride arrived in a white limousine.
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.
C2 adjective /ˈsiːkwənt/

sequent

Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
B2 noun /tɔːrˈneɪdoʊ/

tornado

Meaning
a rapidly rotating column of air in contact with the ground and clouds, often destructive
Example
The tornado destroyed several houses in the village.
C2 noun /ˌlɪt.əˈrɑː.ti/

literati

Meaning
well-educated, literary, or scholarly people
Example
The event was attended by poets, critics, and other members of the literati.
C1 noun /ɪkˈspoʊnənt/

exponent

Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
C2 noun /fɪntʃ/

finch

Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
C2 adjective /ˈven.tʃər.əs/

Venturous

Meaning
willing to take risks; adventurous; bold
Example
The venturous explorer climbed the dangerous mountain.
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
C1 adjective ɪˈveɪ.sɪv

evasive

Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
B1 noun /ˈdʒuː.ni.ər/

Junior

Meaning
a person who is younger or lower in rank than someone else; relating to young people
Example
The junior employee was eager to learn from senior colleagues.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
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.
B1 noun /əˈmjuːzmənt/

Amusement

Meaning
the state or experience of finding something funny; entertainment or recreational activities
Example
The children's laughter showed their amusement at the clown's performance.
B2 adverb /ʌnˈnesəserəli/

Unnecessarily

Meaning
to a greater extent than is needed; without necessity
Example
Don't worry unnecessarily about the exam.
B2 verb /ˈwɪɡəl/

wiggle

Meaning
To move or cause to move with small rapid movements from side to side.
Example
The baby wiggled happily in her mother's arms.
B2 noun /kəˈrʌp.ʃən/

Corruption

Meaning
dishonest or fraudulent conduct by those in power; the process of decay or decomposition
Example
The government launched a campaign to fight corruption in public offices.
B1 noun /ˈprəʊsesɪŋ/

processing

Meaning
the series of actions or steps taken to achieve a particular end, especially in data or food handling
Example
Data processing takes place in the server.
C2 noun /ˌmɔːzəˈliːəm/

mausoleum

Meaning
A large stately building that houses a tomb or several tombs.
Example
The king was buried in a grand mausoleum.
A2 adjective /fɪfθ/

fifth

Meaning
constituting number five in a sequence
Example
She lives on the fifth floor of the building.
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
A2 adjective /ˈsɪli/

Silly

Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
C1 adjective tɪˈneɪ.ʃəs

tenacious

Meaning
Not readily letting go of, giving up, or separated from an object that one holds, a position, or a principle; persistent.
Example
Her tenacious spirit helped her overcome hardships.
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
C1 adjective /pɜːrt/

pert

Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
B2 verb /kəmˈpaɪl/

compile

Meaning
to collect information or material and put it together in a list, report, or book
Example
She compiled the research data into a detailed report.
B2 verb /ˈpjʊərɪfaɪ/

purify

Meaning
to make clean or pure; to remove impurities
Example
This filter will purify the water effectively.
C2 noun /ˈɑb.lə.kwi/

Obloquy

Meaning
harsh criticism or verbal abuse; strong public condemnation
Example
The politician faced obloquy after the scandal.
C1 adjective/verb /ˈleɪ.bərd/

labored

Meaning
done with great effort and difficulty; or past tense of labor
Example
He gave a labored explanation that confused the audience.
C2 noun /ˈmaɪtər/

miter

Meaning
a tall, pointed hat worn by bishops; also a type of joint made between two pieces of material
Example
The bishop placed the miter on his head during the ceremony.
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.
B1 noun /ˈɑːrtwɜːrk/

artwork

Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
C1 verb /ˈlɪŋɡər/

linger

Meaning
to stay in a place longer than necessary; to persist
Example
The smell of coffee lingered in the kitchen.
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
B2 noun /əˌdæptəˈbɪləti/

adaptability

Meaning
The quality of being able to adjust to new conditions or circumstances
Example
Adaptability to changing environments is crucial in business.
B2 adjective ˌprəʊˈæk.tɪv

proactive

Meaning
Taking action by causing change and not only reacting to change when it happens.
Example
Proactive strategies are needed to combat scarcity.
A2 pronoun /ˈnoʊˌbɑːdi/

nobody

Meaning
no person; not anyone
Example
Nobody came to the party.
C2 verb /ˈdʒɛn.juˌflɛkt/

genuflect

Meaning
to bend one or both knees as a sign of reverence or worship
Example
The worshippers genuflect before the altar.
C2 noun /ˈhen.ə/

Henna

Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
C1 adjective /ˈpriːmə/

prima

Meaning
first or most important; excellent
Example
She was treated as the prima ballerina of the troupe.
A1 adjective /hoʊl/

Whole

Meaning
complete; entire; all of something
Example
He ate the whole pizza by himself.
C2 noun /tiːˈtoʊtəlɪzəm/

teetotalism

Meaning
the practice or principle of abstaining completely from alcoholic drinks
Example
He practiced teetotalism throughout his life.
C2 verb /leɪv/

lave

Meaning
To wash or bathe.
Example
She laved her face with cool water.
B2 verb /hæk/

hack

Meaning
to cut or chop roughly; to gain unauthorized access to a computer system
Example
The programmer managed to hack into the system.
C1 verb /sɪˈkriːt/

secrete

Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
A1 noun, adjective /hæf/

half

Meaning
one of two equal parts of something
Example
He ate half of the cake.
B1 noun /dɒt/

dot

Meaning
a small round mark or spot
Example
She drew a red dot on the paper.
C2 noun /ˈkɪldʒɔɪ/

killjoy

Meaning
a person who spoils the fun or enjoyment of others
Example
Don’t be a killjoy at the party.
B2 verb /feɪd/

fade

Meaning
To gradually lose brightness, color, or strength.
Example
The colors of the old photo have started to fade.
B2 adjective /rɪˈlʌktənt/

Reluctant

Meaning
unwilling; hesitant; disinclined to do something;
Example
She was reluctant to share her personal information.
C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

Meaning
a return to a worse or less developed state
Example
The country experienced economic retrogression after the crisis.
C1 adjective ˈfæʃ.ɪst

fascist

Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
B1 noun /ˈvæl.i/

Valley

Meaning
a low area of land between hills or mountains
Example
The green valley stretched for miles between the mountains.
C1 adjective /ʌnˈvɔɪst/

unvoiced

Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
C2 verb /ˌdɪspəˈzɛs/

dispossess

Meaning
to deprive someone of land, property, or other possessions
Example
The new law threatened to dispossess many farmers of their land.
A2 adjective /ˌwelˈnoʊn/

well-known

Meaning
known by many people; famous or recognized
Example
He is a well-known actor in his country.
B2 adjective /əˈpəʊzd/

opposed

Meaning
being against or in disagreement with something
Example
She is strongly opposed to animal testing.
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
B2 adjective /ˈnær.ə.tɪv/

Narrative

Meaning
relating to storytelling; descriptive; telling a story; recounting events
Example
The narrative structure of the novel was quite complex.
A2 verb /stɔːr/

store

Meaning
to keep things in a place for future use; to save information
Example
She stores her winter clothes in the attic.
C1 verb /rɪˈmɪt/

remit

Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
A2 noun ˈkæm.pɪŋ

camping

Meaning
Living outdoors temporarily, especially for recreation; staying in a tent or similar shelter.
Example
Many families go camping during holidays.
C1 adjective ˌdet.rɪˈmen.təl

detrimental

Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
B2 noun /ˈækni/

acne

Meaning
a skin condition in which pores become inflamed and clogged, causing pimples and spots
Example
Regular cleansing and a balanced diet can help reduce acne.
B2 noun /ˈmɛntɔːr/

mentor

Meaning
an experienced person who advises and guides someone less experienced
Example
She acted as a mentor for the new employees.
A2 modal verb /ʃæl/

shall

Meaning
used to express the future or indicate an intention or determination
Example
I shall return before sunset.
C2 adjective /ˈoʊ.kən/

oaken

Meaning
made of or resembling oak wood
Example
The villagers gathered around the oaken table in the hall.
C1 adverb /ˈhɑr.tɪ.li/

Heartily

Meaning
in a sincere and enthusiastic manner; wholeheartedly
Example
She heartily welcomed her guests to the party.
C1 adjective /ˌaʊtˈlændɪʃ/

outlandish

Meaning
Looking or sounding bizarre or unfamiliar; strange.
Example
He wore an outlandish costume to the festival.
C1 verb/noun /ˈsɒldər/

solder

Meaning
To join metal parts together by melting and putting a filler metal into the joint
Example
He soldered the broken wires back together.
C2 verb /ˈɑːbdʒərˌɡeɪt/

objurgate

Meaning
to scold or rebuke severely
Example
The teacher objurgated the student for being dishonest.
C2 adjective /ɪkˈspɒzɪtəri/

expository

Meaning
intended to explain or describe something
Example
The teacher gave an expository lecture on the topic.
B1 adjective /fɒnd/

fond

Meaning
having a strong liking or affection for something or someone
Example
She is fond of painting and spends hours in front of her canvas.
B2 noun /hʊd/

Hood

Meaning
the expandable neck region of certain snakes like cobras; a covering for the head
Example
The cobra spread its hood when it felt threatened.
C1 verb /əˈdʒuːdɪˌkeɪt/

adjudicate

Meaning
to make a formal judgment or decision about a problem or dispute
Example
The committee was formed to adjudicate disputes between the parties.
B2 noun /fɪˈzɪʃən/

physician

Meaning
a person qualified to practice medicine; a doctor
Example
The physician prescribed some medicine to treat the condition.
B2 noun /ˈklʌstər/

cluster

Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
B1 noun /kɒp/

cop

Meaning
a police officer (informal)
Example
The cop stopped the car for speeding.
B2 noun /ˈmɛtəfɔːr/

metaphor

Meaning
A figure of speech in which a word or phrase is applied to something to which it is not literally applicable.
Example
Time is a thief is a common metaphor for how quickly life passes.
A1 noun /ˈtɔɪlət/

toilet

Meaning
a fixture used for the disposal of human waste
Example
The public toilet was clean and well maintained.
C1 verb /ˌriːəˈfɜːrm/

reaffirm

Meaning
To state again strongly; to confirm or strengthen a statement or belief.
Example
The president reaffirmed his commitment to education reform.
C1 adjective /ˈdestatəʊt/

Destitute

Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.