ocean acidification
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C1 noun ˈoʊʃən əˌsɪdɪfɪˈkeɪʃən

ocean acidification

Meaning
The ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide from the atmosphere.
Example
Ocean acidification is caused by atmospheric CO2 absorption.
B2 noun /ˈkaʊn.səl.ɪŋ/

counselling

Meaning
the process of giving professional guidance and support to help someone deal with personal, social, psychological, or career-related problems
Example
She decided to seek counselling to manage stress and anxiety.
C1 noun/verb /kroʊˈʃeɪ/

crochet

Meaning
Needlework made by interlocking loops of thread with a hooked needle; the act of making such items.
Example
She learned how to crochet a scarf for winter.
C2 noun /ˌæntiˈsaɪkloʊn/

anticyclone

Meaning
A weather system with high atmospheric pressure at its center, usually bringing calm and clear conditions.
Example
An anticyclone brought sunny weather across the region.
B2 noun /slʌm/

Slum

Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

Meaning
a green, bumpy vegetable with a very bitter taste, known for its medicinal properties
Example
Bitter gourd is excellent for controlling blood sugar levels.
C2 adjective /ˈruːbɪkənd/

rubicund

Meaning
Having a healthy reddish complexion.
Example
The old man’s rubicund face showed he was in good health.
C1 verb, noun /læɡ/

lag

Meaning
To fall behind in movement, progress, or development; a delay or period of falling behind.
Example
The old computer tends to lag when running new software.
B2 adjective /ˈæfluənt/

affluent

Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
A2 noun /ˈpoʊstər/

poster

Meaning
a large printed picture or notice that is put on a wall for decoration or to advertise something
Example
They put up a movie poster outside the theater.
C2 adjective /ˈæbdʒɛkt/

abject

Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
A2 preposition /ˈɒntu/

onto

Meaning
moving to a position on the surface of something
Example
She jumped onto the table to get the book.
C2 verb /ˈsʌk.əl/

suckle

Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
C1 adjective /traɪt/

trite

Meaning
Overused and lacking originality.
Example
The speech was full of trite phrases.
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
A1 adjective /ʃʊr/

Sure

Meaning
completely confident that something is true; certain; definitely true
Example
I am sure that he will come tomorrow.
C2 verb /ˌsuːpərˈæd/

superadd

Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
B1 adverb /əˈkeɪʒənəli/

Occasionally

Meaning
sometimes; from time to time; not regularly
Example
I occasionally visit my grandmother on weekends.
C1 noun ˌɪndɪˈspensəbl̩ ˈkɒmpɪtənsi

indispensable competency

Meaning
Essential skill or ability that cannot be done without; a crucial capability that is absolutely necessary.
Example
Digital literacy is an indispensable competency in the 21st century.
B2 noun /ˈdrɔː.bæk/

Drawback

Meaning
a feature that renders something less acceptable; a disadvantage or problem
Example
The main drawback of living in the city is the high cost of housing.
B2 verb /ɪnˈhæns/

enhance

Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
B2 noun əˌkaʊntəˈbɪləti

accountability

Meaning
The fact or condition of being accountable; responsibility.
Example
Accountability is key to maintaining trust in any system.
B2 noun ˈfrʌn.tɪərz

frontiers

Meaning
The extreme limit of settled land beyond which lies wilderness; the limits of knowledge or achievement in a particular field.
Example
The project pushes the frontiers of space exploration.
C2 verb /ˈmɔːrtɪfaɪ/

mortify

Meaning
to cause someone to feel great embarrassment or shame
Example
She was mortified when she tripped on stage.
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
C1 noun /ˈpɔɪ.nən.si/

poignancy

Meaning
the quality of evoking a keen sense of sadness or regret; emotionally touching
Example
The poignancy of the farewell brought tears to everyone's eyes.
A2 adjective /ˈsʌðərn/

southern

Meaning
located in or facing the south; southern regions
Example
She moved to a southern city for work.
C2 adjective /ˌpɜːrtɪˈneɪʃəs/

pertinacious

Meaning
holding firmly to an opinion, purpose, or course of action; stubbornly persistent
Example
The pertinacious lawyer refused to give up the case.
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.
C2 noun /ɡæsˈtraɪtɪs/

gastritis

Meaning
Inflammation of the lining of the stomach.
Example
The doctor diagnosed him with gastritis after his endoscopy.
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
B1 noun /ˈkʊkər/

cooker

Meaning
a device or appliance used for cooking food; a person or thing that cooks
Example
The rice cooker makes cooking meals much easier.
A1 noun /sʌn/

son

Meaning
a male child of a parent
Example
His son is very talented in music.
C2 adjective /ˈroʊziət/

roseate

Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
C2 adjective /ˈboʊvaɪn/

bovine

Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
B1 verb /rɪˈtaɪə/

retire

Meaning
to stop working after reaching a certain age or having completed a career
Example
She decided to retire after working for 40 years.
C2 noun /ˌmjuːlˈtɪər/

muleteer

Meaning
a person who drives or takes care of mules
Example
The muleteer guided the animals safely across the mountain path.
B2 noun /nʌn/

Nun

Meaning
a woman who has taken vows in a religious order and lives in a convent
Example
The nun taught at the local Catholic school.
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.
A2 noun /ˈtreɪnɪŋ/

training

Meaning
the process of teaching or learning a particular skill or type of behavior
Example
She completed her training as a nurse last year.
A2 adjective /ˈnɔː.məl/

Normal

Meaning
usual; typical; conforming to a standard; healthy
Example
It's normal to feel nervous before an important exam.
B1 noun /ˈhæm.ər/

Hammer

Meaning
a tool with a heavy metal head for hitting nails or breaking things
Example
She used a hammer to nail the picture frame to the wall.
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.
A2 adjective /ɡreɪ/

Grey

Meaning
having a color between black and white
Example
The grey clouds indicated that rain was coming.
C1 adjective /ˈstrɛnjuəs/

strenuous

Meaning
Requiring or using great effort and energy.
Example
Climbing the mountain was a strenuous task.
B1 adjective /ˈplʊrəl/

plural

Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
C1 noun /hɪpˈnoʊsɪs/

hypnosis

Meaning
A trance-like state of consciousness usually induced by suggestion.
Example
She underwent hypnosis to overcome her fear of flying.
B2 noun /ˈmɜːrtʃənt/

merchant

Meaning
a person or company involved in the trade of goods, especially in large quantities
Example
The merchant sold spices from distant lands.
B2 adjective /ˈruː.tɪd/

Rooted

Meaning
deeply established; firmly fixed
Example
His beliefs are deeply rooted in tradition.
B2 adjective /bɪˈzɑːr/

bizarre

Meaning
very strange or unusual, especially so as to cause interest or amusement
Example
He told a bizarre story that no one could believe.
A2 verb /kjʊər/

cure

Meaning
to make someone healthy again after an illness
Example
The new medicine cured her of the infection.
C2 noun /bəˈnæləti/

banality

Meaning
The condition of being unoriginal, boring, or obvious; trite remark or quality.
Example
The speech was criticized for its banality and lack of originality.
C1 adjective /ˈtɒp.məʊst/

Topmost

Meaning
highest in position or rank
Example
The flag was placed on the topmost branch of the tree.
B2 noun /ˈrɒbər/

robber

Meaning
a person who steals property from others, often using force or threat
Example
The robber was caught after a quick police chase.
C2 adjective /ˈdæpər/

dapper

Meaning
Neat, stylish, and well-dressed in appearance.
Example
He looked very dapper in his new suit.
B2 adverb /ˈskeəs.li/

Scarcely

Meaning
hardly; barely; only just
Example
I could scarcely believe my eyes.
C1 noun /ˈmʌs.tərd siːdz/

Mustard seeds

Meaning
small round seeds from the mustard plant, used as a spice and for making mustard condiment
Example
Mustard seeds are often tempered in hot oil to release their nutty flavor before adding to dishes.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
B1 noun /ˈɑː.kɪ.tekt/

architect

Meaning
a person who designs buildings and oversees their construction
Example
The architect designed a modern office building.
C2 adjective /njuːˈmætɪk/

pneumatic

Meaning
operated by air or gas under pressure
Example
The factory uses pneumatic tools for assembly.
A2 adjective /kəˈneɪdiən/

canadian

Meaning
Relating to Canada or its people.
Example
She enjoys Canadian culture and traditions.
B2 adjective /ˈpæʃənət/

passionate

Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
B2 adjective /ˌʌndɪˈstɜːrbd/

Undisturbed

Meaning
not interrupted or interfered with; calm and peaceful
Example
She slept undisturbed for eight hours.
B2 noun /ˈvæn.ɪ.ti/

Vanity

Meaning
excessive pride in one's appearance or achievements; the quality of being worthless or pointless
Example
Her vanity made her spend hours looking at herself in the mirror.
A2 noun /ˈsɪl.vər/

Silver

Meaning
a shiny white precious metal used for making jewelry and ornaments
Example
The silver ring sparkled in the sunlight.
B2 noun /ˈpaɪ.rət/

Pirate

Meaning
a person who attacks and robs ships at sea; someone who uses or reproduces copyrighted material illegally
Example
The pirate ship was spotted near the coast.
C1 verb /ɪnˈɡreɪv/

engrave

Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
C2 verb /ˌdɪsəˈvaʊ/

disavow

Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
C2 noun /ɡaɪl/

guile

Meaning
Cleverness or cunning used to achieve a goal, often in a deceptive way
Example
He used guile to win the negotiation.
C2 noun /ˌɪnkəˈpæsəti/

incapacity

Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
C2 noun /ˈdɛnɪzən/

denizen

Meaning
an inhabitant or resident of a particular place
Example
The forest is home to many nocturnal denizens.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
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.
B1 noun /ˈprɛzəns/

presence

Meaning
The fact or condition of being present; a person's impressive manner or appearance.
Example
His presence in the meeting made everyone feel at ease.
A2 noun /ˈwɜːrkər/

worker

Meaning
a person who is employed to perform tasks or duties
Example
The workers were busy building the bridge.
A2 pronoun /ðəmˈsɛlvz/

themselves

Meaning
used to emphasize the subject of the sentence or to refer to the subject doing something to itself
Example
They fixed the problem themselves.
B2 adjective /ˈdʒʌm.boʊ/

Jumbo

Meaning
exceptionally large; enormous; gigantic
Example
The jumbo jet was delayed at the airport.
C2 verb /ɪnˈvaɪərən/

environ

Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
B2 noun /ɡʌm/

Gum

Meaning
the firm flesh that surrounds the roots of the teeth; a viscous secretion
Example
The dentist checked her gum for any signs of disease.
C1 noun /ˈek.stə.si/

Ecstasy

Meaning
an overwhelming feeling of great happiness or joyful excitement
Example
She was in complete ecstasy when she heard the good news.
A2 noun /dʒæz/

jazz

Meaning
a style of music characterized by improvisation, syncopation, and strong rhythm, originating in African American communities
Example
She loves listening to live jazz on weekends.
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.
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
C1 verb /dɪˈdjuːs/

deduce

Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
C1 verb /wiːld/

wield

Meaning
To hold and use a weapon, tool, or power effectively.
Example
The warrior wielded his sword with great skill.
B2 noun /ˌɪntərˈfɪərəns/

interference

Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
C2 noun /ˈreɪləri/

raillery

Meaning
good-humored teasing or joking
Example
Their friendship was full of light-hearted raillery.
B1 noun /ˈɛlɪmənt/

element

Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
C2 noun /pæˈstiːʃ/

pastiche

Meaning
a work of art, literature, or music that imitates the style of another artist, period, or genre
Example
The film was a clever pastiche of 1950s detective movies.
C2 noun /ˈlɛtʃ.əri/

lechery

Meaning
excessive or offensive sexual desire; lustfulness
Example
The novel depicted the lechery of corrupt nobles.
B1 verb /loʊd/

load

Meaning
to put goods or cargo onto a vehicle; to fill something with a heavy quantity
Example
Workers load the truck with heavy boxes.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
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.
B2 noun /ˈkɒnsənənt/

consonant

Meaning
A speech sound produced by blocking air flow, or a letter representing such a sound.
Example
The word 'cat' has two consonants and one vowel.
B1 adverb /ˈæftərwərd/

afterward

Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
B2 noun /əˈluːmɪnəm/

aluminum

Meaning
a lightweight silvery metal used for making cans, foils, and other items
Example
The airplane body is made of strong but light aluminum.
B2 noun /ˈdɪpləmæt/

diplomat

Meaning
An official representing a country abroad; a person skilled in dealing with people tactfully.
Example
The diplomat negotiated a peace agreement.
B2 noun /ˌɪnstəˈbɪləti/

instability

Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
C1 adjective /ˌhɔːrtɪˈkʌltʃərəl/

horticultural

Meaning
Relating to the art or practice of garden cultivation and management.
Example
She studied horticultural science at the university.
C1 verb /ˈhɪpnətaɪz/

hypnotize

Meaning
to put someone into a state of hypnosis; to influence someone's mind deeply
Example
The magician tried to hypnotize the audience.
A2 adverb /əˈbrɔːd/

Abroad

Meaning
in or to a foreign country
Example
She decided to study abroad for a year.
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.
B2 verb /ˈɛmɪˌɡreɪt/

emigrate

Meaning
To leave one's own country in order to settle permanently in another.
Example
Many people emigrated from Europe to America in the 19th century.
C2 adjective /ʌnˈfeɪnd/

unfeigned

Meaning
genuine; not pretended or insincere
Example
She expressed unfeigned joy at her friend's success.
C2 noun /ˈsteɪtkraft/

statecraft

Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
C2 noun /ˈpjuːdʒɪlɪzəm/

pugilism

Meaning
The practice or sport of boxing.
Example
He studied the art of pugilism in his youth.
C2 noun /prɪˈsɛntɪmənt/

presentiment

Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
B1 adjective /ʃɛrd/

shared

Meaning
used, done, or experienced by two or more people together
Example
They live in a shared apartment near the university.
A1 adverb /noʊ/

no

Meaning
used to give a negative response or to show disagreement
Example
She said no to the invitation.
C1 verb /mɔːrf/

morph

Meaning
to change smoothly from one form, shape, or character into another
Example
The caterpillar will morph into a butterfly.
B1 noun /ˈbæɡɪdʒ/

Baggage

Meaning
suitcases and bags containing personal belongings; past experiences or problems that affect behavior
Example
Please collect your baggage from the conveyor belt at the airport.
B1 noun /tuː θɜːrdz/

two-thirds

Meaning
a fraction equal to two parts of three; 2/3.
Example
Two-thirds of the students passed the exam.
B2 noun

Patriot

C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
B2 verb /əˈrɪdʒɪneɪt/

originate

Meaning
to come into existence; to begin; to create or produce
Example
The tradition originated in ancient times.
C2 noun /fækˈtoʊtəm/

factotum

Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
B2 adjective /ˈsiː.z ə n.əl/

Seasonal

Meaning
relating to or occurring in a particular season; changing according to the seasons
Example
Many businesses hire seasonal workers during the holidays.
B2 adjective /ˌhɒrɪˈzɒntəl/

horizontal

Meaning
parallel to the horizon; flat and level from side to side
Example
The table must be perfectly horizontal to keep the glass from sliding.
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
C1 noun /ˈɒn.slɔːt/

onslaught

Meaning
A fierce or destructive attack.
Example
The village faced an onslaught of enemy forces.