prolong
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B2 verb prəˈlɒŋ

prolong

Meaning
To extend the duration of something; to make something last longer.
Example
A healthy diet helps prolong life expectancy.
B2 adverb /ɪkˈsplɪsɪtli/

explicitly

Meaning
in a clear and detailed manner, leaving no room for confusion or doubt
Example
The instructions were explicitly written to avoid any confusion.
B2 verb /rɪˈzuːm/

resume

Meaning
to start again after a pause or interruption
Example
We will resume the meeting after lunch.
B2 noun /dɪsˈpoʊzl/

disposal

Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
C1 noun /ˈæl.kə.laɪ/

alkali

Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
C1 adjective /ɡlaɪˈsiː.mɪk/

glycemic

Meaning
Relating to the presence of glucose in the blood and how foods affect blood sugar levels.
Example
High-glycemic foods cause a rapid increase in blood sugar.
B1 noun /ˈbaɪbəl/

bible

Meaning
the Christian scriptures consisting of the Old and New Testaments; also used for any authoritative book
Example
She reads the Bible every morning.
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
B2 noun /ˌveəriˈeɪʃən/

Variation

Meaning
a change or difference in condition, amount, or level; a different or distinct form or version of something
Example
There was a significant variation in temperature throughout the day.
C1 noun /bɪˈtreɪər/

Betrayer

Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
C2 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
C1 noun /ˌstætʃuˈɛt/

statuette

Meaning
A small statue, usually decorative or artistic.
Example
The artist won a gold statuette for his work.
C1 verb /əˈbeɪt/

abate

Meaning
to become less intense or widespread
Example
The storm began to abate after midnight.
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.
C2 adjective /ˈtɜːrdʒɪd/

turgid

Meaning
Swollen or distended; (of language) pompous and overcomplicated.
Example
The professor’s lecture was so turgid that many students lost interest.
A2 noun dɪˈvaɪs

device

Meaning
A thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.
Example
This device improves efficiency in data processing.
C2 adjective /ˈfiːbraɪl/

febrile

Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

Meaning
accountable; having duties; reliable and trustworthy
Example
Parents are responsible for their children's education and well-being.
B2 adjective /veɪɡ/

Vague

Meaning
unclear or uncertain in meaning; not clearly expressed
Example
His explanation was too vague for me to understand.
C2 noun /ˈstriːmlɪt/

streamlet

Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
C2 noun /ˈkʌstərd ˈæpəl/

Custard Apple

Meaning
a tropical fruit with sweet creamy white flesh and black seeds
Example
The custard apple has a sweet and creamy texture.
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
C1 noun /trænsˈfɜːrər/

transferrer

Meaning
A person who transfers something, such as property, rights, or responsibilities, to another.
Example
The transferrer is responsible for ensuring the property is legally passed on.
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
B1 noun /ˈklɪn.ɪk/

clinic

Meaning
A place where people receive medical treatment without staying overnight.
Example
She went to the clinic for a health check-up.
C1 verb /dɪsˈpruːv/

disprove

Meaning
to show that something is false or wrong
Example
The scientist worked hard to disprove the old theory.
A2 noun /ˈdjuː.ti/

Duty

Meaning
something that one is expected or required to do; moral or legal obligation
Example
It is our duty as citizens to vote in elections.
C2 verb /dɪˈtruːd/

detrude

Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
B2 adjective /ˈiːtəbl̩/

eatable

Meaning
suitable or safe for eating
Example
The berries are not only eatable but also quite tasty.
C2 noun /məˈlæsɪz/

Molasses

Meaning
thick, dark, sweet syrup made from sugar cane
Example
The recipe calls for molasses to give the bread a rich flavor.
C2 verb /ˈpælieɪt/

palliate

Meaning
to make a disease, symptoms, or problem less severe without removing the cause
Example
The doctor prescribed medicine to palliate the patient's pain.
C1 verb /riːl/

reel

Meaning
to lose balance and stagger; to wind or spin something onto a reel
Example
He reeled backward after being punched.
A2 noun /ɪŋk/

Ink

Meaning
a colored fluid used for writing, drawing, or printing; a dark liquid ejected by cuttlefish
Example
The old fountain pen leaked ink all over his white shirt during the meeting.
C2 adjective /fluːˈɛnʃəl/

fluential

Meaning
Having the power to influence or flowing freely (rare/archaic usage).
Example
The fluential speaker captivated the entire audience.
B1 verb /mɛlt/

melt

Meaning
to change from solid to liquid due to heat; to disappear gradually
Example
The ice melted in the sun.
C2 noun /ˈhen.ə/

Henna

Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
C1 noun /kənˈspɪrə.tər/

conspirator

Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
B2 adjective /ɪmˈprɒp.ər/

Improper

Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
B2 verb /dɪˈstrækt/

distract

Meaning
to take someone's attention away from what they are doing or focusing on
Example
The loud noise distracted her during the exam.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
C2 noun /ˈnjuː.trɪ.mənt/

nutriment

Meaning
Something that nourishes; sustenance or food.
Example
The soil provides nutriment to the plants.
A2 noun,verb /kɔːrt/

court

Meaning
a place where legal cases are heard or to seek favor or attention
Example
He courted the judge with respect.
C2 adjective /ʌnˈwiːldi/

unwieldy

Meaning
Difficult to carry or move because of its size, shape, or weight.
Example
The box was too unwieldy to carry up the stairs.
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
B2 adjective /əˈfektɪd/

Affected

Meaning
influenced; impacted; touched by something
Example
The flood-affected areas need immediate assistance.
C1 noun /wʊd ˈæp.əl/

Wood Apple

Meaning
a hard-shelled tropical fruit with aromatic pulp used in beverages and medicine
Example
The wood apple has a hard shell but sweet pulp inside.
C1 noun /ræmˈbuːtən/

Rambutan

Meaning
a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi
Example
The rambutan looks scary with its hairy skin but tastes very sweet inside.
C1 noun ɪnˈdʌldʒəns

indulgence

Meaning
The practice of allowing oneself to enjoy the pleasure of something.
Example
His indulgence in junk food affected his health.
B2 noun /ˈspesɪmən/

Specimen

Meaning
an individual example of something; a sample collected for scientific study or testing
Example
The scientist collected a blood specimen for analysis.
C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
B2 noun /ʌnˈkaɪndnəs/

unkindness

Meaning
lack of kindness; cruel or inconsiderate behavior
Example
His unkindness hurt her feelings deeply.
C2 noun /ˈklɔɪstər/

cloister

Meaning
a covered walk in a convent, monastery, or cathedral, typically with a wall on one side and a colonnade open to a quadrangle on the other.
Example
The monks walked silently through the cloister.
C2 adjective /ˌpɛstɪˈlɛnʃəl/

pestilential

Meaning
Relating to or causing pestilence; very harmful, troublesome, or dangerous.
Example
The pestilential smell of the garbage filled the street.
C2 verb /ˈstræɡəl/

straggle

Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
C2 noun /pəˈtiːnə/

patina

Meaning
a surface film or sheen on metal, stone, or wood due to age or use; also, a superficial appearance
Example
The bronze statue developed a green patina after years in the sea air.
C1 noun /maɪm/

Mime

Meaning
A performer who acts without words, using only gestures and body movements
Example
The street mime entertained the crowd with his invisible box routine.
C1 verb /ˌkɒntrəˈviːn/

contravene

Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
C2 verb /ˈɡrʌvəl/

grovel

Meaning
To act in an excessively humble or submissive way to gain favor.
Example
He groveled before his boss to avoid punishment.
B1 adjective /ˈrʊr.əl/

Rural

Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
A1 verb /keɪm/

came

Meaning
past tense of 'come'
Example
She came to the party on time.
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

Meaning
A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.
Example
Nutrient deficiency in the soil can reduce crop productivity.
A1 verb /spend/

spend

Meaning
to use money to buy something; to pass time
Example
I spend too much money on books.
C2 noun /ˌhoʊ.mi.oʊˈsteɪ.sɪs/

homeostasis

Meaning
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Example
The human body maintains homeostasis through temperature regulation.
C2 noun əˈlæk.rə.t̬i

alacrity

Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
B1 adjective /ˌen.əˈdʒet.ɪk/

Energetic

Meaning
having or showing great activity; vigorous; full of energy
Example
She is very energetic and loves outdoor activities.
C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

Meaning
This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.
Example
The rebels feared the inexorable army approaching their stronghold.
C1 verb /ˈdʒɪtər/

jitter

Meaning
to shake or tremble slightly, often from fear, nervousness, or excitement
Example
He began to jitter nervously before giving his speech.
A1 conjunction /ðæn/

than

Meaning
used to introduce the second element in a comparison
Example
She is taller than her brother.
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
C2 adjective /əˈskjuː/

askew

Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
B1 adjective /ˈhoʊpləs/

Hopeless

Meaning
feeling or causing despair about something; without hope; desperate
Example
The situation seemed hopeless until help arrived.
A2 adjective /ˈrʌʃən/

russian

Meaning
relating to Russia, its people, or its language
Example
She is studying the Russian language at university.
A2 noun /lɒs/

loss

Meaning
The state of no longer having something or someone; the harm resulting from losing.
Example
The company suffered a huge financial loss last year.
A2 noun /ruːf/

roof

Meaning
the top covering of a building or vehicle
Example
The roof of the house needs to be repaired.
C1 adjective /ˈkæl.əs/

Callous

Meaning
showing or having an insensitive and cruel disregard for others; emotionally hardened
Example
He showed a callous disregard for others' feelings.
B1 adjective /ˌʌnɪmˈpɔːrtənt/

unimportant

Meaning
not having much value, significance, or influence
Example
The detail seemed unimportant compared to the main issue.
C1 adjective /ˈθrɪfti/

thrifty

Meaning
using money and resources carefully and not wastefully
Example
She is very thrifty and always saves money for the future.
B2 noun /ˈkɒmjʊnɪst/

communist

Meaning
a person who supports or believes in the principles of communism
Example
The communist ideology aims for a classless society.
C1 verb /ˈkɒnsɔːrt/

consort

Meaning
To associate with someone, typically with disapproval; also, a spouse of a reigning monarch.
Example
He was criticized for consorting with criminals.
B2 verb /reɪn/

reign

Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
B2 adjective, noun /ˈfeɪʃəl/

facial

Meaning
Relating to the face; a beauty treatment for the face
Example
She booked a facial at the spa.
C1 noun /taɪˈreɪd/

tirade

Meaning
a long, angry, or critical speech
Example
The manager launched into a tirade about poor performance.
C1 adjective /kənˈdʒiːniəl/

congenial

Meaning
pleasant and friendly because of having similar interests or qualities
Example
They found the café a congenial place to meet and talk.
B2 verb /prɪˈsiːd/

precede

Meaning
to come before something in time, order, or position
Example
A brief introduction precedes each chapter.
C1 noun /moʊˈtiːf/

motif

Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
B1 adverb /ðʌs/

thus

Meaning
as a result or consequence of something previously stated
Example
He was late, thus he missed the meeting.
B2 noun /ɪnˈtɪəriər/

interior

Meaning
the inside part of something; inner area of a place or object
Example
The interior of the hotel was beautifully decorated.
C2 noun /rɪˈvaɪ.zəl/

revisal

Meaning
The act of revising, reviewing, or making changes to something.
Example
The revisal of the contract took longer than expected.
B2 adjective ʌnˈprɛsɪˌdɛntɪd

unprecedented

Meaning
Never done or known before; without previous example.
Example
Unprecedented advancements in science changed human lives.
C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

Meaning
The act of proving a statement or argument to be false or incorrect.
Example
Her essay was a strong refutation of the opposing theory.
B2 noun

Longing

B1 noun /ɪkˈsten.ʃən/

Extension

Meaning
the action of extending something; additional time or space
Example
The professor granted an extension for the assignment deadline.
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
C2 adjective /ɪˈmɛrɪtəs/

emeritus

Meaning
having retired but allowed to retain their title as an honor
Example
He is a professor emeritus at the university.
A2 noun /ˈkæptɪn/

Captain

Meaning
a military officer of middle rank; the person in command of a ship or aircraft
Example
The captain ordered his troops to advance forward.
A1 verb /lʊk/

look

Meaning
to direct your eyes to see something; to appear or seem
Example
Look at the beautiful sunset in the sky.
A2 preposition/conjunction/noun/adjective /plʌs/

plus

Meaning
in addition to; a positive aspect or advantage
Example
She received an A plus on her exam.
C1 noun /ˈɔːrθədɑːksi/

orthodoxy

Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
B1 verb /dɪˈfiːt/

Defeat

Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
C2 noun /ɪnˈkʌmbrəns/

encumbrance

Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
B2 adjective /ˈsteɪʃəˌneri/

stationary

Meaning
Not moving or not intended to be moved.
Example
The car remained stationary at the red light.
C1 verb /ˈsælvɪdʒ/

salvage

Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
B2 noun, verb /treɪs/

trace

Meaning
a mark, object, or sign that shows the existence or development of something
Example
She traced the path of the river on the map.
A1 adjective /sæd/

sad

Meaning
feeling or showing sorrow; unhappy
Example
She felt sad after hearing the bad news.
B2 adjective /ɪnˈstrʌkʃənəl/

instructional

Meaning
providing knowledge or information; intended to teach
Example
The website offers many instructional videos for beginners.
C1 adjective /ˈplaɪəbəl/

pliable

Meaning
easily bent or flexible; adaptable
Example
The metal is pliable enough to be shaped into jewelry.
C2 verb /ˈɛksplɪkeɪt/

explicate

Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
A1 adjective /ˈfrɛndli/

friendly

Meaning
Kind and pleasant; showing goodwill and affection.
Example
The shop owner is very friendly to new customers.
B2 adjective /ɪnˈfekʃəs/

infectious

Meaning
capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm
Example
Her infectious laughter made everyone in the room smile.
A2 modal verb /ʃæl/

shall

Meaning
used to express the future or indicate an intention or determination
Example
I shall return before sunset.
B1 noun /dɒt/

dot

Meaning
a small round mark or spot
Example
She drew a red dot on the paper.
C1 noun /ɪnˈsɜːʃən/

insertion

Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
C2 adjective /ɔːˈrɔːrəl/

auroral

Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
C1 noun /ˈtɛknɪk/

technic

Meaning
A method, skill, or art in a particular field, especially in the arts or sciences.
Example
The artist’s technic in watercolor impressed the judges.
B1 noun /ˈbeɡər/

Beggar

Meaning
a person who lives by asking for money or food
Example
The beggar sat by the temple asking for alms.
A2 noun /ˈtɒpɪk/

topic

Meaning
a subject of conversation, discussion, or writing
Example
The topic of the meeting was company expansion.
A1 interjection /baɪ/

bye

Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
C1 noun /zest/

Zest

Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.