symbiotic
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C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
C2 adjective /kənˈtraɪt/

contrite

Meaning
feeling or showing remorse or guilt
Example
She was contrite after realizing her mistake.
B2 adjective /prəˈpoʊzd/

proposed

Meaning
suggested or put forward for consideration or discussion
Example
The proposed changes will improve the system.
C1 noun /ˈæb.stɪ.nəns/

abstinence

Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
A2 verb /rɪˈsiːv/

receive

Meaning
to get or accept something given; to welcome
Example
She receives a gift from her friend.
B1 noun /ˈspeʃəlɪst/

Specialist

Meaning
a person who has specialized knowledge or training in a particular area; an expert
Example
She consulted a heart specialist about her condition.
C2 adjective /ˌʌn.rɪˈdʒɛn.ər.ət/

unregenerate

Meaning
Not reformed or showing no signs of change; stubbornly refusing to reform or repent.
Example
He remained an unregenerate opponent of progress.
B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
C1 verb /əˈdʒɜrn/

adjourn

Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
B2 noun /ˈsɪnˌdroʊm/

syndrome

Meaning
a group of symptoms that occur together and characterize a condition or disease
Example
Down syndrome affects a person's physical and mental development.
C1 noun /fɔːrˈkloʊʒər/

foreclosure

Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
C1 noun ˈdɪskɔrd

discord

Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
B2 noun /ˈprɛfəs/

preface

Meaning
an introduction to a book, speech, or other written work
Example
The author explained his motivation in the preface.
B2 adverb /ˈiːɡərli/

Eagerly

Meaning
with keen interest or enthusiasm; with great desire
Example
The children eagerly waited for the holiday to begin.
C1 noun ˈsɒv.rɪn.ti

sovereignty

Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
C1 verb /ɪnˈfjʊərieɪt/

infuriate

Meaning
To make someone extremely angry.
Example
His careless remarks infuriated the entire team.
C1 verb /ˈrɛzəneɪt/

resonate

Meaning
To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.
Example
Her words resonated with the audience.
C1 adverb /ˈæmpli/

amply

Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
C2 noun /niˈɒlədʒi/

neology

Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
B2 noun /əˈkjuːzd/

accused

Meaning
a person who has been charged with a crime
Example
The accused pleaded not guilty in court.
C2 noun /ˈdʒɛntaɪl/

gentile

Meaning
A person who is not Jewish
Example
The synagogue welcomed both Jews and Gentiles.
C2 adjective /dɪˈdjuːsəbl/

deducible

Meaning
able to be deduced; possible to be inferred
Example
The solution is deducible from the data provided.
A1 noun ˈstjuː.dənt

student

Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
A1 verb /hæv/

have

Meaning
to possess, own, or hold
Example
They have three children.
C1 adjective, noun /ˈmɑːrʃən/

martian

Meaning
Related to the planet Mars; or an imaginary being from Mars.
Example
The movie showed a Martian visiting Earth.
C1 verb prəˈpel

propel

Meaning
To drive, push, or cause to move in a particular direction, typically forward.
Example
Lack of proper guidance can propel adolescents toward delinquency.
B2 adjective /ʌnˈθɪŋkəbl/

Unthinkable

Meaning
impossible to conceive or imagine; beyond belief or consideration
Example
It was unthinkable that such a tragedy could happen in our peaceful town.
B1 verb /dɪˈvaɪd/

divide

Meaning
to separate into parts; to split or break apart
Example
Please divide the cake into eight pieces.
A2 noun /ˈæl.fə.bɛt/

alphabet

Meaning
a set of letters or symbols in a fixed order used to represent the sounds of a language
Example
Children usually learn the alphabet before learning to read words.
A2 noun /ˈplen.ti/

Plenty

Meaning
a large or sufficient amount; abundance
Example
There is plenty of food for everyone at the party.
B2 noun /sərˈvaɪvər/

Survivor

Meaning
a person who survives, especially a person remaining alive after an event in which others have died
Example
She is a cancer survivor who now helps other patients.
C2 adjective /ɪnˈkɒntɪnənt/

incontinent

Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
C1 adjective /ˌnjʊə.rəˈlɒdʒ.ɪ.kəl/

neurological

Meaning
Relating to the anatomy, functions, and organic disorders of nerves and the nervous system.
Example
Meditation has positive neurological effects on mental health.
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
B2 verb /feɪd/

fade

Meaning
To gradually lose brightness, color, or strength.
Example
The colors of the old photo have started to fade.
C2 noun /rɪˈkwaɪtəl/

requital

Meaning
The act of returning something, such as a favor, service, or punishment; repayment or retaliation.
Example
She offered her time in requital for his kindness.
C1 noun /ˈdɪm.pəl/

Dimple

Meaning
a small depression in the flesh, either one that exists permanently or one that forms when smiling
Example
Her charming dimples appeared whenever she smiled at the children.
B2 adjective /ˈθɔːtˌproʊvɪkɪŋ/

thought-provoking

Meaning
stimulating careful consideration or thought
Example
The movie was deeply thought-provoking and left a lasting impression.
C2 noun /əbˈstɛtrɪks/

obstetrics

Meaning
The branch of medicine dealing with childbirth and care of women giving birth.
Example
She is studying obstetrics to become a specialist in childbirth.
C2 noun /ˈlɔːŋ.ɡən/

Longan

Meaning
a small round tropical fruit with translucent white flesh and sweet taste, related to lychee
Example
Longan fruits are often eaten fresh or dried and are popular in Asian desserts.
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
B1 noun /ˈædʒɪktɪv/

adjective

Meaning
a word that describes or modifies a noun by giving more information about its quality, quantity, or state
Example
The adjective in the sentence adds more detail to the noun.
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
C1 noun /ˈɑːr.sən.əl/

arsenal

Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
C2 noun /ˈplɛdʒɔːr/

pledgeor

Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
C1 adverb /ˈhʌŋ.ɡrə.li/

Hungrily

Meaning
in a way that shows hunger; greedily; eagerly
Example
The dog ate hungrily after not eating for hours.
A2 noun /ɡəˈrɪl.ə/

Gorilla

Meaning
a large powerful ape found in the forests of central Africa
Example
The gorilla beat its chest to show dominance.
C1 noun prəˈpɛn.sə.ti

propensity

Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
A1 noun /ˈʌŋkəl/

uncle

Meaning
the brother of one's father or mother
Example
My uncle is visiting us next week.
A1 noun /kæt/

Cat

Meaning
a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws
Example
The cat sat on the windowsill watching birds.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
C1 noun ˌlɪt.ɪˈɡeɪ.ʃən

litigation

Meaning
The process of taking legal action; a lawsuit.
Example
The litigation accused the regime of human rights abuses.
C1 noun /ˈtrɪlədʒi/

trilogy

Meaning
a set of three related works, usually books or films, that form a connected story
Example
The director finally released the third film to complete the sci-fi trilogy.
C2 noun ˈɡoʊldən ˈbʌtərflaɪ

Golden Butterfly

Meaning
A beautiful species of butterfly with golden coloration, symbolizing beauty and nature.
Example
The Golden Butterfly is a symbol of beauty and nature.
A2 noun /ˈpɪərɪəd/

period

Meaning
a length or portion of time
Example
The meeting will last for a period of two hours.
C1 noun /ɪkˈspæns/

expanse

Meaning
a wide, open area of land, sea, or sky
Example
The desert is a vast expanse of sand and rock.
A2 adjective /ɪmˈbærəst/

embarrassed

Meaning
feeling awkward, ashamed, or self-conscious about something
Example
He felt embarrassed when he forgot her name.
B2 noun /ˈfɔːrmjələ/

formula

Meaning
a fixed method for doing something; a mathematical or chemical rule expressed in symbols
Example
The scientist discovered a new formula for the medicine.
B2 adjective /poʊˈɛt.ɪk/

poetic

Meaning
having qualities of poetry; expressive, beautiful, or imaginative
Example
Her speech had a poetic rhythm that captivated the audience.
B2 noun ˈθrɛʃhəʊld

threshold

Meaning
A point of entry or beginning; the magnitude or intensity that must be exceeded for a certain reaction to occur.
Example
Once the threshold for pest population is reached, measures must be taken.
C2 adjective /ˌpɪkəˈjuːn/

picayune

Meaning
of little value or importance; trivial
Example
He complained about the picayune details of the contract.
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 /prəˈfɪʃ.ənt/

proficient

Meaning
Competent or skilled in doing or using something; having great knowledge or experience.
Example
She is highly proficient in multiple languages.
C1 noun /ˈpeɪtriɑːrk/

patriarch

Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
C1 noun /ˈwɪŋˌspæn/

wingspan

Meaning
the distance from the tip of one wing to the tip of the other wing
Example
The eagle has an impressive wingspan of over two meters.
A1 preposition /wɪð/

with

Meaning
indicating the person or thing that is accompanying or involved with someone or something else
Example
She went to the market with her friend.
C1 noun esˈθet.ɪks

aesthetics

Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
B1 noun ˈstæn.dədz

standards

Meaning
A level of quality or attainment; a required or agreed level of quality or attainment.
Example
High standards inspire competitors.
A2 noun /skwɛə(r)/

square

Meaning
a shape with four equal straight sides and four right angles
Example
The table has a square shape.
C1 noun /ˈlɛk.sɪ.kɒn/

lexicon

Meaning
The vocabulary of a person, language, or branch of knowledge; a collection of words and terms.
Example
A translator must have a vast lexicon of both languages.
C2 noun /ˈvɪzɪdʒ/

visage

Meaning
A person's face or facial expression.
Example
Her stern visage intimidated the children.
A2 verb /tʌtʃ/

touch

Meaning
to put your hand or finger on something; to make physical contact
Example
Please don't touch the wet paint.
C2 noun /ˈæntɪkwɛri/

antiquary

Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
B2 noun /ˈwɔtər ˈpjʊrəˌfaɪər/

Water purifier

Meaning
A device that removes contaminants and impurities from water to make it safe for drinking
Example
We installed a water purifier in our kitchen to ensure clean drinking water.
C1 verb /sleɪ/

slay

Meaning
to kill violently; informally, to impress greatly
Example
The hero vowed to slay the dragon.
C1 adjective /məˈlɪɡnənt/

malignant

Meaning
dangerous or harmful in influence or effect; medically, tending to invade and destroy tissue
Example
Doctors confirmed that the tumor was malignant.
C1 noun ɡrɪt

grit

Meaning
Long-term determination and perseverance in the face of hardship and challenges.
Example
His grit and hard work led him to success.
B2 noun /ˌɪmɪˈɡreɪʃən/

immigration

Meaning
the action of coming to live permanently in a foreign country
Example
Immigration policies vary from country to country.
A2 adjective kɑːm

calm

Meaning
Not showing or feeling nervousness, anger, or other strong emotions; peaceful.
Example
The calm environment supports healing.
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
C1 adjective /ˈseɪ.vər.i/

savory

Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
C1 adjective /ˈmjuːtɪd/

muted

Meaning
softened in sound, color, or effect; subdued
Example
The room was painted in muted shades of blue and grey.
C1 noun /əˈdʒeɪsənsi/

adjacency

Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
B2 verb dɪsˈrʌpt

disrupt

Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
C1 adjective /ˈsʌltri/

sultry

Meaning
Uncomfortably hot and humid; also describes someone attractive in a passionate or sensual way.
Example
The sultry weather made it hard to focus on work.
B1 noun /ˈpʌblɪʃɪŋ/

publishing

Meaning
the business or activity of preparing and issuing books, journals, or other material for sale
Example
He works in the publishing industry as an editor.
C2 verb /ˈpɛrəɡrɪˌneɪt/

peregrinate

Meaning
To travel or wander from place to place.
Example
He loved to peregrinate across the countryside during summer.
B1 verb /tɛmpt/

tempt

Meaning
to entice or attract someone to do something, often something wrong or unwise
Example
The smell of fresh bread tempted him to enter the bakery.
C1 verb /əˈkleɪm/

acclaim

Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
C1 noun /vərˈnækjələr/

vernacular

Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
B1 adjective /səˈfɪʃənt/

Sufficient

Meaning
enough; adequate for the purpose; satisfactory
Example
We have sufficient time to complete the project.
C1 adjective ɪˈroʊ.ni.əs

erroneous

Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
C1 noun /bɒmˈbɑːrdmənt/

bombardment

Meaning
a continuous attack with bombs or other projectiles
Example
The city endured a heavy bombardment during the war.
B2 adjective /ˌʌndɪˈzaɪərəbl/

Undesirable

Meaning
not wanted or wished for; harmful or unpleasant
Example
The new policy had several undesirable consequences.
B2 verb /ˈsɪmplɪfaɪ/

simplify

Meaning
to make easier to understand or do; to reduce complexity
Example
The teacher simplified the complex equation for the students.
B2 adverb /ˈθɪkli/

Thickly

Meaning
in a thick manner; densely; heavily
Example
The forest was thickly wooded with tall pine trees.
A2 adjective /ˈmɒdən/

modern

Meaning
relating to the present or recent times, not ancient or old-fashioned
Example
They live in a modern apartment with new facilities.
C1 noun /ˈmɒdɪfaɪər/

modifier

Meaning
a word or element that changes, limits, or describes the meaning of another word; something that alters or adjusts
Example
In the phrase 'very cold', 'very' is a modifier of 'cold'.
B2 noun /ˈpriːmiəm/

premium

Meaning
an amount of money paid regularly for an insurance policy; something of superior quality or value
Example
You need to pay your insurance premium every year.
C2 noun ˌpɜː.tɪˈnæs.ɪ.ti

pertinacity

Meaning
Firm determination and persistence in achieving something.
Example
His pertinacity in achieving his goals was inspiring.
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
B2 adjective /ɪˈmjuːn/

immune

Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
C1 noun /pləˈsiːboʊ/

placebo

Meaning
a substance with no therapeutic effect, used as a control in testing new drugs
Example
The patient was given a placebo to compare the effect of the real drug.
C1 noun /ˌkɒnfləˈɡreɪʃən/

conflagration

Meaning
A large, destructive fire that destroys a great deal of land or property.
Example
The forest was devastated by a massive conflagration that lasted for days.
C2 adjective /ˈfrɛtfəl/

fretful

Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
B1 noun /ˈel.boʊ/

Elbow

Meaning
the joint between the forearm and the upper arm
Example
He hurt his elbow while playing tennis.
C2 noun /ˈfɔːrʃɔːr/

foreshore

Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
C1 verb /aʊst/

oust

Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
A2 noun

Kiss

B2 noun /dɪsˈkloʊʒər/

disclosure

Meaning
the action of making something known or public
Example
The disclosure of the company's financial status was delayed.
B2 noun /ɡreɪs/

grace

Meaning
simple elegance or refined movement; goodwill and kindness
Example
She moved with grace across the stage.
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
C1 verb /ˈhʌsəl/

hustle

Meaning
to move quickly and energetically; to push or work hard to achieve something
Example
She had to hustle to finish the project on time.
C2 noun /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

Meaning
A leafy vegetable belonging to the chicory family, often used in salads.
Example
She added fresh endive to the salad for a slightly bitter flavor.
B1 adjective /ˈkɔːʃəs/

cautious

Meaning
careful to avoid potential problems or dangers
Example
She was cautious about trusting strangers.
C1 adjective /ˈtʃɛk.ərd/

checkered

Meaning
Having a pattern of alternating squares of different colors; also describing a past full of ups and downs or varied experiences.
Example
He had a checkered career with many highs and lows.
C1 adjective /ɪɡˈzɪləreɪtɪŋ/

exhilarating

Meaning
Making someone feel very excited, happy, or thrilled.
Example
Skydiving was the most exhilarating experience of his life.
C2 verb /ˈblʌdʒən/

bludgeon

Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.