tireless
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B2 adjective /ˈtaɪərləs/

tireless

Meaning
Showing great effort or energy without becoming tired.
Example
She worked tirelessly to complete the project on time.
B2 noun /ˈsleɪvəri/

slavery

Meaning
the system or state of being owned and forced to work for someone else
Example
Slavery was abolished in most countries in the 19th century.
B2 noun/verb rɪˈfɔːm

reform

Meaning
Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
Example
Reform in the education system was a priority.
B2 adjective /ʌnˈfeɪ.vər.ə.bəl/

Unfavourable

Meaning
not helpful or advantageous; adverse
Example
The weather conditions were unfavourable for our outdoor event.
B2 noun /ˈkaʊnsələr/

counsellor

Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
C1 adjective kəʊˈhiː.sɪv

cohesive

Meaning
Characterized by or causing cohesion; forming a united whole.
Example
The team displayed a cohesive strategy.
A1 verb /raɪd/

ride

Meaning
to travel on or in a vehicle; to sit on and control a horse
Example
She likes to ride her bicycle to work.
C1 adjective /ˈpæl.ə.tə.bəl/

palatable

Meaning
pleasant or acceptable to the taste, mind, or feelings
Example
The meal was simple but quite palatable.
A1 adverb /ɔːf/

off

Meaning
away from a place, position, or time; not functioning
Example
He turned off the light before leaving the room.
A2 adverb /ɪnˈdiːd/

indeed

Meaning
used to emphasize or confirm a statement
Example
It was a long journey indeed.
B1 verb /əˈdʒʌst/

adjust

Meaning
to change something slightly to make it more suitable or effective
Example
She adjusted the mirror to see the road clearly.
A2 noun /sɜːr/

sir

Meaning
a respectful or formal form of address used for a man, typically one of higher social status or authority
Example
Sir, may I assist you with your order?
C2 adjective /ɡoʊʃ/

gauche

Meaning
lacking social grace, sensitivity, or tact; awkward
Example
His gauche remarks embarrassed everyone at the dinner party.
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
C2 noun /ˈpoʊtənˌteɪt/

potentate

Meaning
A monarch or ruler, especially one with absolute power.
Example
The ancient land was ruled by a powerful potentate.
B1 adjective /ˈsætɪsfaɪd/

satisfied

Meaning
Pleased or content with what has been achieved or received.
Example
He felt satisfied after finishing his project.
B2 noun noʊˈbel praɪz

Nobel Prize

Meaning
Any of six international prizes awarded annually for outstanding work in physics, chemistry, physiology or medicine, literature, economics, and the promotion of peace.
Example
Nobel Prize recognition evaded Bose's contributions.
C2 noun /koʊˈædʒətər/

coadjutor

Meaning
a person who helps or assists another, especially in a religious or official capacity
Example
The bishop appointed a coadjutor to assist him with his duties.
C1 adjective /ˈtæk.taɪl/

tactile

Meaning
Connected with the sense of touch; perceptible by touch or giving a sensation when touched.
Example
The tactile experience of the fabric was soft and smooth.
B2 adjective /ˈsɜːdʒɪkəl/

surgical

Meaning
relating to or involving surgery
Example
She underwent surgical treatment to repair the damage.
B2 noun /ˈæɡ.ə.ni/

Agony

Meaning
extreme physical or mental suffering; intense pain
Example
He was in agony after the accident.
B1 noun /ˈvæl.juː/

Value

Meaning
the importance or worth of something; the amount of money that something is worth
Example
This antique vase has great sentimental value to our family.
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.
B2 noun /ˈek.oʊ/

Echo

Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
B1 noun /ˈpaɪn.æp.əl/

Pine Apple

Meaning
a large tropical fruit with a tough skin and sweet yellow flesh
Example
The pineapple has a crown of spiky leaves on top.
A2 noun /ˈmoʊtərˌsaɪkəl/

motorcycle

Meaning
a two-wheeled motor-powered vehicle designed for transportation
Example
He rides his motorcycle to work every morning.
C1 noun /ˈiːzl̩/

easel

Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
C2 noun /ɪmˈpɒs.tʃər/

Imposture

Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
B1 adjective /dɪsˈɒnəst/

Dishonest

Meaning
not honest; fraudulent; deceitful
Example
The dishonest salesman tried to sell them a broken car.
C2 verb əˈmiːljəreɪt

ameliorate

Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
B2 verb /ɪnˈflɪkt/

inflict

Meaning
to cause something unpleasant or painful to be suffered by someone or something
Example
The storm inflicted considerable damage to the city.
C1 noun /ˌloʊkəˈmoʊʃən/

locomotion

Meaning
movement or the ability to move from one place to another
Example
Walking is the most common form of human locomotion.
A2 noun /ˈɛər.laɪn/

airline

Meaning
A company that provides regular flights for passengers and goods.
Example
The airline announced a discount on international tickets.
B1 noun ˈbæriə(r)

barrier

Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
C2 adjective /ˈfɒksi/

foxy

Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
A2 noun /ˈmɪljən/

million

Meaning
the number equivalent to one thousand thousand (1,000,000)
Example
The movie earned over a million dollars in its first week.
B2 adjective ˈkɒɡnɪtɪv

cognitive

Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
C2 verb /ˈæntɪkweɪt/

antiquate

Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
B2 noun /steɪn/

Stain

Meaning
a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation
Example
There was a coffee stain on his white shirt.
C2 adjective /læŋk/

lank

Meaning
Tall, thin, and often awkward in appearance.
Example
The lank teenager towered over his classmates.
C2 noun /əˈvɪdəti/

avidity

Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
A2 noun /ˈsɪz.ərz/

Scissors

Meaning
a cutting instrument with two sharp blades that are joined and work against each other
Example
She used scissors to cut the paper into small pieces.
C1 noun /ˈpiː.kɒk ˈflaʊ.ər/

Peacock flower

Meaning
a tropical tree with bright orange and red flowers that resemble a peacock's tail
Example
The peacock flower tree blooms with stunning orange flowers in summer.
C1 noun /kənˈfaɪnmənt/

confinement

Meaning
the state of being confined or restricted
Example
The prisoner endured years of confinement.
A1 noun /ˈfɑːðər/

father

Meaning
A male parent of a child.
Example
His father taught him how to ride a bicycle.
B2 noun /brest/

Breast

Meaning
the front surface of a person's or animal's body between the neck and the stomach
Example
The baby fell asleep on her mother's breast.
C2 noun /ˈmɪsənˌθroʊp/

misanthrope

Meaning
a person who dislikes or distrusts humankind
Example
The old man was considered a misanthrope who avoided all social gatherings.
B1 adverb /ˈɔːfəli/

awfully

Meaning
in a very great degree; extremely; in a way that is very bad or unpleasant
Example
I am awfully glad to see you again.
B2 adjective /ˈhek.tɪk/

Hectic

Meaning
very busy and full of activity; frantic; characterized by intense activity or excitement
Example
My schedule has been hectic lately with back-to-back meetings.
B1 adjective /ˌælfəˈbɛtɪkəl/

alphabetical

Meaning
Arranged in the order of the letters of the alphabet.
Example
The names were listed in alphabetical order.
B1 adverb /ˌnesəˈserəli/

Necessarily

Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
B2 noun /ˈpɒm.ɪˌɡræn.ɪt/

Pomegranate

Meaning
a round fruit with thick red skin containing many small red seeds with juice
Example
The pomegranate seeds were sweet and refreshing.
B2 noun/verb /ɡʌt/

gut

Meaning
The stomach or belly; also used for courage, instinct, or to remove the inside of something.
Example
He had the guts to stand up for his beliefs.
C2 adjective /vɪˈtjuːpərətɪv/

vituperative

Meaning
Characterized by abusive or harsh language.
Example
The teacher’s vituperative remarks left the students in tears.
C1 adjective /ˈbuːzi/

boozy

Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
B2 adjective /ˈneɪ.kɪd/

Naked

Meaning
without clothes or covering; bare; exposed; unclothed
Example
The naked truth about the situation shocked everyone.
C1 adjective /ˈreɪ.si/

racy

Meaning
Lively, entertaining, or slightly shocking (especially in a sexual way).
Example
The novel was full of racy dialogues.
B2 verb /ɪnˈteɪl/

entail

Meaning
to involve something as a necessary or inevitable part or consequence
Example
The job will entail a lot of travel across the country.
C1 noun /ˈkwæɡˌmaɪər/

quagmire

Meaning
a soft, wet area of land that gives way underfoot; a complex or dangerous situation
Example
The hikers were trapped in a political quagmire.
C1 adjective /lʌʃ/

lush

Meaning
rich, abundant, and luxurious, especially referring to vegetation
Example
The valley was filled with lush green fields.
A1 adjective/noun /fɔːrθ/

fourth

Meaning
Constituting number four in a sequence; coming after the third in position.
Example
He finished in fourth place in the race.
C2 noun əˈdrɔɪt.nəs

adroitness

Meaning
Cleverness or skill, especially in using the hands or mind; skillful dexterity.
Example
His adroitness in negotiations secured the deal.
B1 adjective /ʌnˈfeər/

Unfair

Meaning
not right or just; treating people in a way that favors some over others
Example
It's unfair to blame her for something she didn't do.
B1 verb /spɛl/

spell

Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
A2 adjective /niːt/

Neat

Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
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.
C1 noun /dɪˈrɪʒən/

derision

Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
C2 noun /ˈtrʌmpəri/

trumpery

Meaning
worthless nonsense or showy but worthless things
Example
The speech was full of political trumpery.
C2 adjective /ˈlaɪbələs/

libelous

Meaning
containing or constituting a false published statement that damages a person's reputation
Example
The article was found to be libelous and had to be retracted.
C1 noun /ˌmɪsˈkɒn.dʌkt/

Misconduct

Meaning
Unacceptable or improper behavior, especially by a professional person
Example
The officer was dismissed for professional misconduct.
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
B2 verb səˈsteɪnd

sustained

Meaning
Strengthened and supported; not allowed to weaken or fail.
Example
The proposal was not sustained.
C1 noun /ˈɒptɪks/

optics

Meaning
The branch of physics dealing with light and vision.
Example
She studied optics to understand how lenses work.
C2 noun /ˈɡrændɪləkwəns/

grandiloquence

Meaning
Pompous or extravagant language, style, or manner, often intended to impress
Example
The politician’s speech was full of empty grandiloquence.
A1 noun /stɑːr/

Star

Meaning
a fixed luminous point in the night sky that produces light and heat through nuclear fusion
Example
Thousands of stars are visible in the clear night sky.
B2 adjective /kənˈtɛntɪd/

contented

Meaning
Feeling or expressing happiness and satisfaction.
Example
She was contented with her simple life.
C1 adjective /sɑːrˈdɒnɪk/

sardonic

Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
C1 noun /ˈwɪtʃ.krɑːft/

witchcraft

Meaning
the practice of magical skills, spells, and abilities
Example
In old times, many people believed in witchcraft.
A2 noun /læb/

lab

Meaning
a place equipped for scientific experiments, research, or teaching
Example
The students conducted an experiment in the chemistry lab.
B1 noun, verb /ɡreɪd/

grade

Meaning
A level of quality, rank, or performance; to assign a score or mark to work or performance.
Example
The teacher graded all the papers by the weekend.
C2 verb /ʃiːð/

sheathe

Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
C2 adjective /səˈlɪsɪtəs/

solicitous

Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
A1 noun /mæn/

man

Meaning
an adult human male
Example
The man helped the child cross the street.
C2 adjective /ˈfraɪəbl/

friable

Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
C1 noun /kəˈlaɪdəˌskoʊp/

kaleidoscope

Meaning
A toy or instrument with mirrors and colored pieces that create changing patterns when rotated; also used metaphorically for a constantly changing sequence of patterns or elements.
Example
The city lights turned into a kaleidoscope of colors as the festival began.
B1 noun /ˈtɛmpəl/

temple

Meaning
a building used for the worship of a god or gods
Example
They visited an ancient temple during their trip to India.
B2 adjective /ʌnˈɑːrmd/

unarmed

Meaning
Not equipped with or carrying weapons
Example
The police found the suspect unarmed during the search.
B2 noun ˈmɛn.təl ˈfoʊ.kəs

mental focus

Meaning
The ability to concentrate deeply on a specific task or thought; mental concentration and attention.
Example
Meditation improves mental focus and cognitive performance.
B2 noun /paʊtʃ/

pouch

Meaning
a small bag or pocket, often used to carry small items
Example
She kept her coins in a small leather pouch.
B2 verb /ˈnæreɪt/

narrate

Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
B1 noun /stæf/

staff

Meaning
a group of employees working together in an organization
Example
The staff at the hospital are very helpful.
B2 noun /plʌɡ/

plug

Meaning
a device used to connect or block an opening
Example
She inserted the plug into the socket.
A1 verb /stɒp/

stop

Meaning
to cease moving or operating; to halt; to prevent
Example
Please stop talking during the movie.
C1 adjective ˈsɪŋ.krə.nəs

synchronous

Meaning
Existing or occurring at the same time.
Example
Synchronous learning involves live online classes.
B2 adjective /ˌɔːɡənaɪˈzeɪʃənəl/

organizational

Meaning
relating to the structure or arrangement of a company or group
Example
He works on improving the organizational structure of the company.
C1 adjective /ˈpæs.ə.bəl/

passable

Meaning
good enough to be accepted, though not excellent
Example
The road is barely passable after the storm.
C2 adjective /ˌsuːpərˈæn.ju.eɪ.tɪd/

superannuated

Meaning
old and no longer useful or valid; retired due to age
Example
The factory was filled with superannuated machines that slowed production.
A1 noun /ˈsɪstər/

sister

Meaning
a female sibling; a girl or woman in relation to other children of her parents
Example
My sister is coming to visit us next week.
C1 noun /ɡruːv/

groove

Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
C1 noun /ˈoʊvərˌtoʊn/

overtone

Meaning
A subtle quality, implication, or additional meaning beyond the obvious.
Example
His speech had political overtones that were hard to ignore.
B2 noun /ˈaʊtlet/

outlet

Meaning
a means by which something is released, expressed, or distributed
Example
Art is a great outlet for emotions.
B2 noun /ˈbiː.təl/

Beetle

Meaning
a hard-bodied insect with wing covers
Example
The black beetle scurried across the garden path.
C2 noun /ˈrɛkluːsəri/

reclusory

Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
B2 noun /dɪˈstɪŋk.ʃən/

Distinction

Meaning
a difference or contrast between similar things; excellence that sets someone apart; honor or recognition
Example
She graduated with distinction, earning the highest honors in her class.
C2 noun /ˈhaɪərəˌɡlɪf/

hieroglyph

Meaning
A picture or symbol used in ancient writing systems, especially Egyptian writing.
Example
The walls of the temple were covered in hieroglyphs.
C2 noun /ˈlæki/

lackey

Meaning
a person who is overly willing to serve or obey someone else
Example
He treated his assistant like a mere lackey.
B1 noun /ˌkwɒl.ɪ.fɪˈkeɪ.ʃən/

Qualification

Meaning
official record showing that someone has finished a training course or has necessary skills; condition or requirement
Example
She has the right qualifications for this engineering job.
C2 verb /kəˈvɔrt/

cavort

Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
A2 adjective /ˈsɪli/

Silly

Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
B2 verb /piːp/

peep

Meaning
to look quickly or secretly; to make a short high sound
Example
The child tried to peep through the keyhole.
B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
C2 noun /dɪˈdʒɛnərəsi/

degeneracy

Meaning
The state of decline or deterioration, often in moral, cultural, or physical qualities.
Example
The novel portrays the moral degeneracy of a corrupt society.
A2 noun /ækˈtɪv.ə.ti/

Activity

Meaning
something that you do for interest or pleasure, or in order to achieve a particular aim
Example
Physical activity is important for good health.
B2 verb /bɑːrk/

bark

Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
C1 noun /slæɡ/

slag

Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
C1 adjective /ʌnˈkɛmpt/

unkempt

Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
C1 noun /ɪnˈsek.tɪ.saɪd/

Insecticide

Meaning
a substance used for killing insects; a chemical pesticide that targets insects
Example
The farmer sprayed insecticide on his crops to protect them from harmful bugs.