biodiversity preservation
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C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
A2 noun /ɡest/

Guest

Meaning
a person who is invited to visit someone's home or attend a particular social occasion
Example
We invited several guests to our wedding celebration last weekend.
C1 adjective /ˌpɜːrpənˈdɪkjələr/

perpendicular

Meaning
At an angle of 90 degrees to a given line, plane, or surface.
Example
The ladder was placed perpendicular to the ground for safety.
B2 adjective /əˈlɛdʒd/

alleged

Meaning
said or thought to be true, but not proven
Example
The alleged thief was caught by the police.
B2 verb /ɪˈvoʊk/

evoke

Meaning
to bring a feeling, memory, or image into the mind
Example
The old song evoked memories of her childhood.
A2 verb /rɪˈtɜːrn/

return

Meaning
to come or go back to a place; to give back
Example
I will return home tomorrow.
B1 adverb /ɪnˈkriːsɪŋli/

increasingly

Meaning
more and more over time
Example
People are increasingly concerned about climate change.
C1 noun /əˈsɛndənsi/

ascendancy

Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
B1 noun /bʌɡ/

Bug

Meaning
a small insect; a defect in a computer program
Example
I found a bug crawling on my bed sheets.
C2 verb /ɪnˈkʌmbər/

encumber

Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

Meaning
not dependable; not able to be trusted or relied upon
Example
The old car is unreliable and breaks down frequently.
C1 adjective ʌnˈjiːl.dɪŋ

unyielding

Meaning
Not easily broken or giving in to pressure.
Example
Her unyielding determination helped her overcome all challenges.
C1 noun /ˌɪn.trəˈspek.ʃən/

introspection

Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
C1 noun /səˈprɑːnoʊ/

soprano

Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
C2 noun məˌnɒp.ə.laɪˈzeɪ.ʃən

monopolization

Meaning
The process by which a company gains exclusive control over a commercial activity.
Example
The monopolization of industries can limit consumer choices.
C1 noun /kənˈsɜːvəˌtɪzəm/

conservatism

Meaning
A political or social philosophy promoting traditional institutions and resistance to change.
Example
Conservatism values tradition and gradual development.
C2 noun /ˈlæɡ.ərd/

Laggard

Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
C1 verb /bɔːk/

balk

Meaning
to hesitate or refuse to proceed or comply
Example
She balked at signing the contract without reading it fully.
C1 noun /ˈmɒn.ɑːk/

Monarch

Meaning
a sovereign ruler, especially a king or queen
Example
The monarch addressed the nation on television.
C1 noun /saɪˈteɪʃən/

citation

Meaning
a quotation from or reference to a book, paper, or author
Example
The research paper included a citation from Shakespeare.
C2 noun /ˈnjuː.trɪ.mənt/

nutriment

Meaning
Something that nourishes; sustenance or food.
Example
The soil provides nutriment to the plants.
B2 verb /ˈrendər/

render

Meaning
to provide or give; to make or cause to become
Example
The artist renders the scene beautifully.
C2 noun /ˈskɪz.əm/ or /ˈsɪz.əm/

schism

Meaning
A division or split between strongly opposed parties, often in religion or organizations.
Example
The schism in the church led to the formation of two separate groups.
A1 adjective /oʊld/

old

Meaning
having lived for a long time; not new or young
Example
He still drives his old car.
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
C2 noun /ˈɛksplɪkeɪtər/

explicator

Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
C2 verb /ˈdɔːd(ə)l/

dawdle

Meaning
to waste time by being slow or idle
Example
Stop dawdling and finish your homework.
C1 noun/verb /kruːˈseɪd/

crusade

Meaning
a vigorous campaign for a social, political, or religious cause; to fight passionately for a cause
Example
She has been crusading for women's rights all her life.
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
A2 adjective, noun /ˈkloʊsər/

closer

Meaning
more near in distance or relationship; someone or something that concludes an activity
Example
She moved closer to the window.
B2 adverb /ˈbrɔːdli/

broadly

Meaning
in a general or wide manner.
Example
The rules are broadly similar across all regions.
B2 noun ˈʃɔːtkʌmɪŋz

shortcomings

Meaning
A fault or failure to meet a certain standard; deficiencies.
Example
Institutional shortcomings affect student behavior negatively.
C1 verb /ˌsuːpərˈsiːd/

supersede

Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
B2 adjective /njuːˈmɛrɪkəl/

numerical

Meaning
relating to or expressed in numbers
Example
The report provides numerical data on population growth.
B1 noun /ˈækses/

Access

Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
B2 adjective/noun ˌdem.əˈɡræf.ɪk

demographic

Meaning
Relating to the structure of populations; statistical data relating to the population and particular groups within it.
Example
The company analyzes demographic trends before launching a product.
C1 noun /ˈpæʃ.ən ˌflaʊ.ər/

Passion flower

Meaning
A climbing plant with intricate, colorful flowers; also refers to royal poinciana tree with red-orange blooms
Example
The passion flower vine covered the garden wall with beautiful blooms.
C1 adjective /stiːpt/

steeped

Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
A2 noun /belt/

Belt

Meaning
a strip of leather or cloth worn around the waist to support clothes or for decoration
Example
He tightened his belt before going for a run.
C1 adjective /ˈfɔːrmətɪv/

formative

Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
A2 noun /ˈneɪbər/

neighbor

Meaning
a person living next door or nearby
Example
My neighbor lent me some sugar when I ran out.
C1 noun ˈrez.ɪ.djuː

residue

Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
A2 verb /eɪm/

aim

Meaning
to direct a weapon, object, or effort at a target; to intend or plan
Example
He aimed the ball at the goal.
C2 adjective /prɪˈsɛnʃənt/

presentient

Meaning
Having a feeling or sense of something about to happen; predictive.
Example
She was presentient of the coming disaster.
C2 noun /aɪˈdɒlətri/

idolatry

Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
B2 noun /lɪm/

limb

Meaning
an arm or leg of a person or animal; a large branch of a tree
Example
He broke a limb while climbing the tree.
B2 verb /stʌn/

stun

Meaning
to shock or surprise someone greatly; to knock someone unconscious or dazed
Example
The news of her sudden resignation stunned everyone.
A1 verb /ˌʌndərˈstænd/

understand

Meaning
to know the meaning of something; to comprehend
Example
Do you understand the instructions?
C2 verb /ɪˈreɪdieɪt/

irradiate

Meaning
to shine light on something; to expose to radiation; to illuminate or brighten
Example
The scientist used a lamp to irradiate the sample.
A2 noun/verb /ˈkɒntækt/

contact

Meaning
Communication or connection with someone.
Example
You should contact your doctor if symptoms persist.
A2 adjective /ˈfɔːrən/ or /ˈfɑːrən/

foreign

Meaning
Belonging to or coming from another country.
Example
She loves studying foreign languages.
C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

Meaning
A groundbreaking action or plan that brings about significant change or transformation.
Example
The revolutionary initiative promotes sustainable energy.
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
B2 noun /ˈræp.ər/

Wrapper

Meaning
a loose garment worn around the body; covering material
Example
She put on a warm wrapper before going outside.
C1 noun /ˈvɔːrtɛks/

vortex

Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
B2 adjective /beər/

Bare

Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
C1 noun /ˌkɒndʒʊˈɡeɪʃən/

conjugation

Meaning
the variation of the form of a verb to indicate tense, person, and number
Example
French verbs have complex conjugations.
C2 noun /ˈfʊl.krəm/

fulcrum

Meaning
The point or support on which a lever pivots; a central or essential point of activity or support.
Example
The teacher became the fulcrum of change in the school.
C2 noun /bleɪn/

Blain

Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
C2 adjective /ˌoʊdəˈrɪfərəs/

odoriferous

Meaning
having or giving off a smell, especially a strong or pleasant one
Example
The garden was filled with odoriferous flowers.
C1 noun ˈhɪn.drəns

hindrance

Meaning
Something that creates difficulties or delays in progress.
Example
Lack of funds was a major hindrance to the project.
A2 noun /soʊp/

Soap

Meaning
a cleaning agent made from fats or oils and used for washing
Example
Please wash your hands with soap and water.
B2 noun /ˈɪmɪɡrənt/

immigrant

Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
B2 noun /pʌbˈlɪs.ɪ.ti/

Publicity

Meaning
public attention or notice given to someone or something; advertising or promotion
Example
The movie received a lot of publicity before its release.
C1 adjective /ˈsɜːrpənˌtiːn/

serpentine

Meaning
Having the shape, movement, or qualities of a serpent; winding or twisting.
Example
The road took a serpentine path through the mountains.
B1 verb /tʃɒp/

chop

Meaning
to cut with a sharp tool; to cut into pieces
Example
She chops vegetables for dinner.
B2 verb /ˈtɛstəfaɪ/

testify

Meaning
to make a statement or declaration under oath or to give evidence
Example
She was called to testify in court about the accident.
B1 verb /əˈtɛmpt/

attempt

Meaning
to make an effort to achieve or complete something difficult
Example
He attempted to climb the mountain despite the bad weather.
B1 noun /ɑːrmz/

Arms

Meaning
weapons and ammunition; firearms
Example
The soldiers carried their arms into battle.
B2 verb /reɪl/

rail

Meaning
to complain or protest strongly about something
Example
He railed against the unfair decision.
C2 verb /ˌkɒnvəˈlɛs/

convalesce

Meaning
to recover health and strength after illness or medical treatment
Example
After the surgery, she spent several weeks convalescing at home.
A2 adverb /pəˈhæps/

Perhaps

Meaning
possibly; maybe; used to express uncertainty or make a suggestion
Example
Perhaps we should call before visiting to make sure they're home.
C1 noun /ˈɪntrɪkəsi/

intricacy

Meaning
the quality of being very detailed or complicated
Example
The intricacy of the design impressed everyone.
C2 verb /ˈpɛkjʊˌleɪt/

peculate

Meaning
To embezzle or steal money, especially public funds.
Example
The corrupt official was found guilty of peculating government funds.
C1 noun /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

Meaning
A local administrator or official who coordinates activities in a specific region.
Example
The resident coordinator welcomed all representatives.
C1 noun /ˈpriːsɪŋkt/

precinct

Meaning
A district or area within the boundaries of a city, often for police or electoral purposes.
Example
She went to vote at her local precinct.
C1 adjective /ɔːlˈmaɪ.ti/

Almighty

Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
B2 verb səˈpres

suppress

Meaning
To forcibly put an end to; to restrain or subdue.
Example
Authorities must suppress criminal activities in campuses.
B2 adjective /ˈmænɪdʒəbəl/

Manageable

Meaning
able to be controlled or dealt with; feasible
Example
The workload is manageable if we plan properly.
A2 noun /ˈpɑːsˌpɔːrt/

passport

Meaning
an official government document that identifies a person and allows them to travel internationally
Example
She renewed her passport before traveling abroad.
A2 adverb /əˈbʌv/

Above

Meaning
in or to a higher place; overhead
Example
The airplane flew above the clouds.
C1 noun /ˌɑːpərˈtuːnɪst/

opportunist

Meaning
A person who takes advantage of situations for personal gain, often disregarding principles.
Example
He is seen as an opportunist who always puts his interests first.
B2 noun /tɒŋz/

Tongs

Meaning
a tool consisting of two movable arms that are joined at one end, used for picking up and holding things
Example
Use the tongs to pick up the hot pieces of meat from the grill.
C1 noun/verb /ɪˈstiːm/

esteem

Meaning
Respect and admiration, typically for a person.
Example
She is held in high esteem by her colleagues.
C1 verb /trəˈvɜːrs/

traverse

Meaning
To travel across or through something.
Example
They traversed the desert on camels.
B2 noun /ˈtʌndrə/

tundra

Meaning
A vast, flat, treeless Arctic region where the subsoil is permanently frozen.
Example
Polar bears roam across the icy tundra.
B1 noun /ˈpʊl.oʊ.vər/

Pullover

Meaning
a knitted garment worn on the upper body, typically pulled on over the head
Example
She wore a warm pullover during the cold winter evening.
A2 noun, verb /raʊ/ (argument), /roʊ/ (line of things)

row

Meaning
A line of things or people; also, a noisy quarrel; to propel a boat with oars.
Example
They had a loud row about money.
B1 adverb /ˌʌpsaɪd ˈdaʊn/

Upside-down

Meaning
with the upper part at the bottom; in or into a reversed position
Example
The picture was hanging upside-down on the wall.
B2 noun /veɪl/

Veil

Meaning
a piece of fine material worn to protect or conceal the face; something that conceals or disguises
Example
The bride wore a beautiful white veil during the ceremony.
B2 noun /ˈven.juː/

Venue

Meaning
a place where an event or activity takes place
Example
The wedding venue was beautifully decorated.
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
C1 adverb /əˈraɪ/

awry

Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
C2 noun /ˌdʒerənˈtɑːkrəsi/

gerontocracy

Meaning
A system of government or control by old people.
Example
The country was seen as a gerontocracy, dominated by elderly leaders.
C1 adjective /ˈdrɪəri/

dreary

Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
C1 noun /ˌɛkstrəˈdɪʃən/

extradition

Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
C2 noun /ˌsɜːrkəmləˈkjuːʃn/

circumlocution

Meaning
the use of many words when fewer would do, especially to avoid stating something directly
Example
The politician's speech was filled with circumlocution.
B2 noun ˌrɛstəˈreɪʃən

restoration

Meaning
The process of returning something to its former condition.
Example
The restoration of the forest began after decades of neglect.
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
C2 noun /ˈkɔːldrən/

caldron

Meaning
A large metal pot used for boiling liquids or cooking over an open fire.
Example
The witch stirred her potion in a bubbling caldron.
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
C2 noun /nuːt/

Newt

Meaning
a small amphibian with a long tail that lives both in water and on land
Example
The newt swam gracefully in the pond.
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.
C1 verb /ˈkəʊ.dɪ.faɪ/

codify

Meaning
to arrange laws, rules, or ideas into a clear and systematic code
Example
The committee worked to codify the existing laws.
C1 adjective /ˈsɛn.sər.i/

sensory

Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
C1 adjective /ˈɡleɪʃəl/

glacial

Meaning
relating to ice or glaciers; extremely cold or unfriendly
Example
The mountains were covered in glacial ice.
A2 verb /kræʃ/

crash

Meaning
To collide violently; to suddenly stop working (for machines or computers).
Example
The car crashed into the wall at high speed.
B2 adjective /ˈdæz.lɪŋ/

Dazzling

Meaning
extremely bright and impressive; brilliant and stunning
Example
The dazzling lights of the city amazed the tourists.
C1 adjective /ˈsɛptɪk/

septic

Meaning
Infected with harmful bacteria; relating to or causing infection.
Example
The doctor treated the patient's septic wound immediately.
B2 adjective /ɪnˈtɛnsɪv/

intensive

Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
C1 noun /læps/

Lapse

Meaning
a temporary failure of concentration, memory, or judgment; the termination of a right or privilege
Example
There was a brief lapse in security that allowed the intruder to enter the building.
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
A2 noun /ˈer.ər/

Error

Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
C2 noun /jɔːr/

yore

Meaning
Time long past; bygone days.
Example
Legends of yore still inspire people today.
C1 verb /rɪˈsiːd/

recede

Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.