hydraulic
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C1 adjective /haɪˈdrɔːlɪk/

hydraulic

Meaning
operated by the pressure of liquid, especially water or oil
Example
The mechanic repaired the hydraulic system of the machine.
B1 verb /ˈkælkjəˌleɪt/

calculate

Meaning
to determine by mathematical computation; to estimate
Example
I need to calculate the total cost.
C2 noun /blɑːtʃ/

blotch

Meaning
a large, irregular spot or stain, often on skin or fabric
Example
His shirt had a red blotch from the spilled juice.
C1 adjective /kənˈsɛntrɪk/

concentric

Meaning
having a common center, as in circles or spheres
Example
The artist drew concentric circles on the canvas.
B2 noun /vaɪs/

Vice

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

decameter

Meaning
A metric unit of length equal to ten meters.
Example
The field was measured in decameters for accuracy.
C2 adjective /ˌɛfləˈrɛsənt/

efflorescent

Meaning
in the process of blooming or flourishing
Example
The efflorescent trees made the park look beautiful.
C2 verb /dɪsˈbɜːrdən/

disburden

Meaning
to relieve someone of a burden or load
Example
She disburdened herself of worries by sharing them with her friend.
C1 adjective /ʌnˈvaɪəbl/

unviable

Meaning
Not capable of working successfully; not feasible or practical.
Example
The project was deemed unviable due to high costs.
B1 noun /ˈkwɒn.tə.ti/

Quantity

Meaning
an amount or number of something; the measurable property of something
Example
The quantity of water in the bottle is sufficient for the trip.
B2 verb /ɪnˈdeɪndʒər/

endanger

Meaning
To put someone or something at risk or in danger.
Example
Cutting down forests can endanger many species of animals.
A1 noun /reɪn/

Rain

Meaning
water that falls from clouds in small drops
Example
The heavy rain forced us to stay indoors.
A2 noun /ˈhɛdeɪk/

headache

Meaning
a continuous pain in the head; something that causes worry or difficulty
Example
Too much screen time can give you a terrible headache.
A2 noun /ˈruːlər/

ruler

Meaning
A person who governs or controls a country; a straight-edged tool used for measuring or drawing lines
Example
The ruler drew a straight line on the paper while the king was a powerful ruler of his kingdom.
C1 noun /ˈrʌbəl/

rubble

Meaning
Broken stone, bricks, or debris from a collapsed building or structure.
Example
The rescue team searched through the rubble after the earthquake.
B2 adjective /ˈsændi/

Sandy

Meaning
covered with sand; containing sand; having the texture of sand
Example
The sandy beach stretched for miles along the coast.
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
A1 noun /ˈsʌmər/

summer

Meaning
the warmest season of the year, between spring and autumn
Example
We love going to the beach during summer.
C2 adjective /ˈsʌpliənt/

suppliant

Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
C2 noun /ˈtʃæt.əl/

chattel

Meaning
a personal possession; historically, movable property including slaves
Example
In the past, slaves were considered the chattel of their owners.
C2 adjective, noun /bɪˈtroʊðd/

betrothed

Meaning
Engaged to be married; a person who is engaged.
Example
She introduced him as her betrothed.
B2 verb /ɪˈmɪt/

emit

Meaning
to send out something such as light, heat, sound, or gas
Example
The factory emits smoke into the atmosphere.
B2 adjective /ˈæfluənt/

affluent

Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
C2 noun /ˈjoʊkəl/

yokel

Meaning
An uneducated and unsophisticated person from the countryside; a bumpkin.
Example
The city folks laughed at the yokel's simple ways.
B1 adjective /ˌstreɪt ˈfɔːr.wərd/

Straight forward

Meaning
honest and open; not complicated; easy to understand
Example
His explanation was very straightforward and easy to follow.
C2 noun /ˈæmɪti/

amity

Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
C2 adverb /ˈtrɛbli/

trebly

Meaning
in a triple manner or to a threefold degree
Example
The sound was trebly distorted through the old speakers.
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
C2 adjective /lɪˈtɪdʒəs/

litigious

Meaning
prone to engage in lawsuits or overly inclined to argue legally
Example
He is known as a litigious neighbor who often sues people.
C2 adjective /ˈæsənənt/

assonant

Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
C1 noun /ˈweɪs(t).koʊt/

waistcoat

Meaning
a sleeveless garment worn over a shirt and under a jacket
Example
He wore a black waistcoat with his suit.
C1 noun /ɪˈnɔːrmɪti/

enormity

Meaning
The extreme scale, seriousness, or extent of something perceived as bad or morally wrong.
Example
The enormity of the crime shocked the entire community.
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
B2 adjective /ˈvɪɡ.ər.əs/

vigorous

Meaning
Characterized by high energy and vitality.
Example
Regular exercise keeps the body vigorous and healthy.
C1 adjective /ˈpɛtjʊlənt/

petulant

Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
A1 noun /ˈeɪprɪl/

april

Meaning
the fourth month of the year in the Gregorian calendar
Example
April is known for its pleasant spring weather.
B2 noun /kənˈspɪrəsi/

conspiracy

Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
C1 noun /oʊˈmɪʃ.ən/

Omission

Meaning
the action of excluding or leaving out someone or something; a failure to include
Example
The omission of his name from the list was intentional.
C1 noun /ˈkɒmən kɑːp/

Common Carp

Meaning
A large freshwater fish widely cultivated for food
Example
Common carp is an important fish in aquaculture.
C2 adjective /ɪnˈkɒŋɡruənt/

incongruent

Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
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.
A2 noun /ˈkɒlɪdʒ/

college

Meaning
An educational institution where students study for degrees or professional qualifications.
Example
She hopes to attend college in the city next year.
C2 verb /bɪˈsiːtʃ/

beseech

Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
C2 noun /ˈræŋ.kər/

rancor

Meaning
A feeling of deep and bitter anger or resentment.
Example
There was a rancor between the two rivals that never faded.
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 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.
B2 adjective /ˌkaɪnd ˈhɑːrtɪd/

kind-hearted

Meaning
Having a kind and generous nature; showing compassion and care for others.
Example
She is known as a kind-hearted teacher who always helps her students.
A2 adjective /ˈkʌlərfəl/

colorful

Meaning
having bright colors; full of variety or interest
Example
The festival was full of colorful decorations.
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 /tʃɑːrt/

chart

Meaning
a sheet of information in the form of a table, graph, or diagram
Example
The teacher used a chart to explain the statistics.
A1 adjective /θɜrd/

third

Meaning
constituting number three in a sequence
Example
She finished in third place.
A1 noun /ˈɡɑːr.dən/

Garden

Meaning
a piece of ground, often near a house, used for growing flowers, fruit, or vegetables
Example
She spent her morning tending to the roses in her beautiful garden.
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.
B2 adjective /ˈtɪm.ɪd/

Timid

Meaning
shy and lacking confidence; easily frightened
Example
She was too timid to speak in public.
B2 noun /ˈtreɪdmɑːrk/

trademark

Meaning
a symbol, word, or words legally registered or established by use as representing a company or product
Example
The company’s logo is its trademark.
C2 verb /ˈæd.l̩/

addle

Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
A2 verb /kaʊnt/

count

Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
C1 adjective /bəˈzɜːrk/

berserk

Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
A2 noun /ˈket.əl/

Kettle

Meaning
a container used for boiling water, typically with a lid, spout, and handle
Example
The electric kettle whistled when the water reached boiling point.
C2 adjective /sɪˈdɪʃəs/

seditious

Meaning
Encouraging rebellion against authority.
Example
The activist spread seditious pamphlets among the crowd.
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.
C2 adjective /ˌkɒnsæŋˈɡwɪniəs/

consanguineous

Meaning
Related by blood; descended from the same ancestor.
Example
The study focused on genetic disorders in consanguineous families.
B2 noun /ˈblæk.smɪθ/

Blacksmith

Meaning
a person who makes and repairs things made of iron
Example
The blacksmith hammered the hot iron into a horseshoe.
B1 verb /əˈweɪk/

awake

Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
C2 noun /dɪsˈjuːnjən/

disunion

Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
C1 verb /ˈtræmpəl/

trample

Meaning
to tread heavily on something and cause damage or injury
Example
The crowd trampled the flowers in the park.
C2 noun /ˈtændʒənsi/

tangency

Meaning
the condition of touching but not intersecting, especially in geometry
Example
The circle and the line are in a state of tangency at one point.
B2 verb /saɪ/

sigh

Meaning
to let out a long, deep breath as an expression of tiredness, relief, or sadness
Example
She sighed with relief when she heard the good news.
B1 noun /rɪˈsɔːrs/

resource

Meaning
A supply of materials, money, or assets that can be used when needed.
Example
Water is a vital natural resource.
A1 noun /kiːp/

Keep

Meaning
food and other things necessary for living; the strongest part of a castle
Example
He worked hard to earn his keep and support his family.
C1 noun /ˌlɪbəˈreɪʃən wɔːr/

liberation war

Meaning
a war fought to gain freedom from foreign rule, occupation, or oppression; an armed struggle for national independence
Example
The liberation war reshaped the nation’s history and identity.
B1 noun /ədˈvæns/

Advance

Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
C2 verb /ˈfɛstər/

fester

Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
C2 adjective /ˈkwɒdreɪt/

quadrate

Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
C2 adjective /ˈfɛkləs/

feckless

Meaning
lacking initiative or strength of character; irresponsible
Example
His feckless attitude at work caused several missed deadlines.
B1 adjective, verb (past participle of wear) /wɔːrn/

worn

Meaning
damaged, weakened, or deteriorated from use or age
Example
His shoes were old and worn.
B2 noun kənˈsen.səs

consensus

Meaning
A general agreement among all members of a group.
Example
Consensus was reached after long deliberation.
B2 noun /ˌprɒp.əˈɡæn.də/

Propaganda

Meaning
information spread to promote a particular political cause or point of view
Example
The government used propaganda to influence public opinion during the war.
A2 adjective /kənˈsɜːnd/

concerned

Meaning
worried or anxious about something; involved or interested in something
Example
She was concerned about her mother's health.
B1 noun /ɪˈdɪʃən/

edition

Meaning
a particular version or printing of a book, newspaper, or other publication
Example
The latest edition of the magazine sold out quickly.
B2 adjective /æpt/

apt

Meaning
Appropriate or suitable; having a natural tendency or quick to learn.
Example
She is an apt student who quickly understands new concepts.
A2 noun, verb /ˈriːzən/

reason

Meaning
A cause, explanation, or justification for an action or event; to think or argue logically.
Example
There is no reason to be upset.
C1 noun /ˈkaʊntərˌpɔɪnt/

counterpoint

Meaning
an argument, idea, or theme contrasting with another; also a musical term for independent melody
Example
Her calm attitude was a counterpoint to his anger.
B2 verb, noun, adjective /ˈtɛndər/

tender

Meaning
to offer formally; soft and delicate in texture or character; a formal offer or proposal
Example
The company tendered its resignation to the board.
C2 adverb /ˈdʒɪndʒərli/

gingerly

Meaning
in a very careful or cautious manner
Example
She walked gingerly on the icy path.
C1 noun ˈprɛvələns

prevalence

Meaning
The fact or condition of being widespread; the extent to which something exists or occurs
Example
The prevalence of aging issues requires immediate attention.
B2 verb əˈteɪnd

attained

Meaning
Succeeded in achieving (something that one desires and has worked for); reached a specified age, size, or amount.
Example
The region attained remarkable progress.
C2 noun /frɒnd/

frond

Meaning
A large, divided leaf of a fern, palm, or similar plant.
Example
The fern's frond stretched gracefully over the garden path.
B2 noun /ˌæn.ɪˈmeɪ.ʃən/

Animation

Meaning
the technique of making inanimate objects appear to move; liveliness and enthusiasm
Example
The animation in this movie is incredibly detailed.
B2 verb /kweɪk/

quake

Meaning
to shake or tremble, often due to fear or a natural event like an earthquake
Example
The ground began to quake during the earthquake.
C1 adjective /tjuːˈmʌltʃuəs/

tumultuous

Meaning
Characterized by disorder, noisy excitement, or emotional agitation.
Example
They had a tumultuous relationship full of ups and downs.
C1 adjective /ˈpjuːtrɪd/

putrid

Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
C1 adjective /ˈteɪn.tɪd/

Tainted

Meaning
contaminated or affected by something bad or undesirable
Example
The water supply was tainted with harmful chemicals.
C1 noun /səbˈvɜːrʒən/

subversion

Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
B2 adverb /ˈmɔːrəli/

Morally

Meaning
in accordance with principles of right and wrong behavior; ethically
Example
She felt morally obligated to help the refugees.
C1 noun /ˈæd.və.ser.i/

adversary

Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
A2 verb /rɪˈpleɪs/

replace

Meaning
to take the place of something or someone; to put something new in place of something old
Example
He decided to replace the broken lamp with a new one.
C1 verb /dɪˈfɔːrm/

deform

Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
C2 noun /ˈmætrɪˌsaɪd/

matricide

Meaning
The act of killing one's own mother.
Example
The crime of matricide shocked the entire town.
A2 adjective /əˈnɔɪd/

annoyed

Meaning
feeling slightly angry or irritated
Example
She felt annoyed by the constant noise.
C1 adjective /ˈveɪɡrənt/

Vagrant

Meaning
wandering aimlessly; having no settled home
Example
The vagrant man was asking for food near the station.
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 noun /ˈpɪk.səl/

pixel

Meaning
the smallest unit of a digital image or display
Example
The image is blurry because some pixels are missing.
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
B2 noun /ˌɔːtəbaɪˈɒɡrəfi/

autobiography

Meaning
An account of a person's life written by that person.
Example
She published an autobiography about her journey to success.
A1 noun /ˈæp.əl/

Apple

Meaning
a round fruit with red, green, or yellow skin and white flesh
Example
I eat an apple every day for breakfast.
C1 noun /ˈhɒrəˌskoʊp/

horoscope

Meaning
A forecast of a person's future based on the positions of the stars and planets at their birth.
Example
She read her horoscope every morning to see what the stars predicted.
C2 verb /ˈsæŋktɪfaɪ/

sanctify

Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
A1 pronoun /ˈsʌmbədi/

somebody

Meaning
an unspecified person
Example
Somebody is knocking at the door.
B2 noun /wiːd/

Weed

Meaning
a wild plant growing where it is not wanted; unwanted plant
Example
The garden was full of weeds that needed to be removed.
B2 noun /ˈrɛlɪvəns/

relevance

Meaning
the quality or state of being closely connected or appropriate
Example
The relevance of the information was clear to everyone.
C1 verb /proʊˈtrækt/

protract

Meaning
To prolong or extend in time or duration.
Example
Negotiations were protracted for several months.
B2 noun /əˈpɒstrəfi/

apostrophe

Meaning
A punctuation mark (') used to indicate possession or the omission of letters or numbers.
Example
You need an apostrophe in the word 'children’s'.
B2 noun /ˈfjuːʒən/

fusion

Meaning
the process or result of joining two or more things together to form a single entity
Example
The restaurant offers a unique fusion of Asian and European cuisines.
B2 adjective, noun /ədˈvaɪzəri/

advisory

Meaning
(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning
Example
The committee serves in an advisory capacity to the board of directors.
B1 verb /spaɪ/

spy

Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
B1 noun ˈmeʒ.ərz

measures

Meaning
A plan or course of action taken to achieve a particular purpose.
Example
Mitigation measures focus on reducing emissions.
C1 noun ˈsɪnədʒi

synergy

Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.