biological
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B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
C2 adjective /ɪkˈskɜːsɪv/

excursive

Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
A2 verb /ədˈmɪt/

admit

Meaning
to confess to be true; to allow entrance; to accept as valid
Example
He had to admit his mistake to the teacher.
C2 noun /ˌdɛd ˈhiːt/

dead-heat

Meaning
a race or contest in which two or more competitors finish exactly equal
Example
The race ended in a dead-heat between the two runners.
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
A2 noun /ˈstreɪndʒər/

Stranger

Meaning
a person whom one does not know or with whom one is not familiar
Example
Never take candy from a stranger.
B2 adverb /mɔːrˈoʊvər/

moreover

Meaning
Used to add information that supports or emphasizes what has already been said.
Example
The job is challenging; moreover, it requires excellent communication skills.
A2 noun /ˈhɛlɪˌkɒptər/

helicopter

Meaning
an aircraft with rotating blades that can take off and land vertically
Example
The helicopter landed safely on the hospital roof.
A2 noun/verb /bəˈluːn/

balloon

Meaning
A small bag made of thin rubber or similar material that can be inflated with air or gas; as a verb, to expand rapidly.
Example
The children played with a red balloon at the party.
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
A2 adverb /ˈsɪm.pli/

Simply

Meaning
in a clear and easy way; merely; just
Example
I simply wanted to help you with your homework.
A1 adverb /ˈɔːlsoʊ/

also

Meaning
in addition; too
Example
She sings beautifully and also plays the guitar.
B1 adjective /ˈɔːɡənaɪzd/

organized

Meaning
Arranged in a systematic way, especially on a large scale.
Example
An organized approach to work increases productivity and reduces stress.
C1 adjective /ˈsæljʊˌtɛri/

salutary

Meaning
Producing good effects; beneficial, especially after something unpleasant.
Example
The accident was a salutary reminder to drive carefully.
C2 adjective /ˈpɔːrtli/

portly

Meaning
Having a stout or somewhat fat body, often implying dignity or authority.
Example
The portly man entered the room with confidence.
A1 noun /kiː/

Key

Meaning
a small piece of shaped metal used to operate a lock; something that provides a means of access
Example
She lost her house key and couldn't get inside until the locksmith arrived.
B2 verb /ˈmɑːdərət/

moderate

Meaning
to make less extreme or intense; to control or preside over
Example
She moderated the heated debate between the candidates.
B1 noun /ˌɪntərˈækʃən/

interaction

Meaning
The process of people or things acting upon or influencing each other.
Example
The teacher encouraged more interaction between students.
B2 verb /waɪn/

whine

Meaning
to complain in an annoying way; to make a high-pitched sound
Example
The child whined about having to go to bed early.
C2 noun /ˈpoʊ.ə.si/

poesy

Meaning
poetry; the art or composition of poems
Example
The anthology was filled with romantic poesy.
B1 noun fləʊ

flow

Meaning
The action or fact of moving along in a steady, continuous stream
Example
The flow of information must be secured.
C2 adjective /ˈsuːpaɪn/

supine

Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
B2 verb /əˈsaɪn/

assign

Meaning
to give someone a task, duty, or responsibility
Example
The manager will assign tasks to the new employees.
B2 noun /ˈfjʊr.i/

Fury

Meaning
wild or violent anger; extreme intensity of emotion or activity
Example
His fury was evident when he discovered someone had stolen his bicycle.
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
C1 noun /haɪˈpɜːrbəli/

hyperbole

Meaning
Exaggerated statements or claims not meant to be taken literally.
Example
Saying he could run a thousand miles in a day is pure hyperbole.
B2 verb /sɑːb/

sob

Meaning
to cry noisily while taking short breaths
Example
She began to sob uncontrollably after hearing the news.
B2 noun /ˈskuːtər/

scooter

Meaning
a small two-wheeled vehicle powered by an engine or electricity
Example
She rides a scooter to work every day.
B2 verb /dɪˈsiːv/

deceive

Meaning
To cause someone to believe something that is not true.
Example
He tried to deceive his friends with a fake story.
A2 noun ˈkɜːrɪdʒ

courage

Meaning
The ability to do something that frightens one; bravery.
Example
Courage is essential in the face of challenges.
C1 noun /kʌˈstoʊ.di.ən/

Custodian

Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
C2 adjective /ˈtræktəbəl/

tractable

Meaning
easy to control or influence
Example
The child was surprisingly tractable during the long journey.
B1 adverb /ˈsekəndli/

secondly

Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
B2 noun /ˈskɛlɪtən/

skeleton

Meaning
The internal framework of bones that supports the body of a human or animal.
Example
The teacher showed the students a human skeleton in the biology class.
C1 adjective /ˌfɪl.ænˈθrɒp.ɪk/

philanthropic

Meaning
showing concern for the welfare of others; generous and charitable
Example
She is known for her philanthropic activities in the city.
B1 adjective /ˌɛdjuˈkeɪʃənl/

educational

Meaning
Relating to the provision of education or having an educative effect.
Example
The journey was an educational experience.
C1 noun /ˈsɪtəˌdɛl/

citadel

Meaning
A fortress protecting or dominating a city.
Example
The ancient citadel stood guard over the town for centuries.
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.
B2 noun /ˈvɜː.tʃu.əl riˈæl.ɪ.ti/

virtual reality

Meaning
Computer technology that creates an artificial three-dimensional environment where users can feel like they are in a real environment.
Example
Virtual reality (VR) is widely used in gaming and training simulations.
C2 noun /ɡlʌt/

glut

Meaning
An excessive supply of something; more than is needed.
Example
There was a glut of cheap smartphones in the market.
C1 verb /ˌdɪskənˈsɜːrt/

disconcert

Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
C1 verb /ˈkʌvət/

covet

Meaning
to desire something belonging to someone else
Example
He coveted his neighbor's new car.
C1 noun /ɛnˈdɔːr.fɪnz/

endorphins

Meaning
Chemical compounds produced by the brain that reduce pain and create feelings of happiness.
Example
Exercise releases endorphins, reducing stress and pain.
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
C2 noun /ˌfəʊ.təʊ.sen.sɪˈtɪv.ɪ.ti/

photosensitivity

Meaning
Sensitivity to light, especially abnormal sensitivity that may cause discomfort or damage.
Example
Overrubbing can increase photosensitivity.
A1 noun /faɪv/

five

Meaning
The number 5; one more than four and one less than six.
Example
She bought five apples from the market.
C1 noun /ˈwɪndfɔːl/

windfall

Meaning
an unexpected piece of good fortune, typically a large amount of money
Example
The startup received a windfall when a major client paid for a full year in advance.
C2 noun /ˈtaɪtwɒd/

tightwad

Meaning
a person who is unwilling to spend money; a miser
Example
Everyone calls him a tightwad because he never buys gifts.
C1 adverb ˌekspəˈnenʃəli

exponentially

Meaning
At a rapidly increasing rate; growing or expanding very quickly and intensely.
Example
Internet adoption is growing exponentially worldwide.
C2 adjective /ˌser.ɪˈməʊ.ni.əs/

ceremonious

Meaning
marked by formality, politeness, or strict observance of customs
Example
He gave her a ceremonious bow before entering the hall.
A2 noun /ˈkʊki/

cookie

Meaning
a small sweet baked food, usually with flour, sugar, and butter
Example
She offered me a chocolate chip cookie.
C2 adjective /daɪˈɜːrnəl/

diurnal

Meaning
active during the day; occurring daily
Example
Most birds are diurnal creatures, active in daylight hours.
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
A2 conjunction /ðoʊ/

though

Meaning
used to introduce a fact that makes the main statement of the sentence seem surprising or unexpected
Example
Though it was raining, they still went outside.
B2 noun /ˈʃəʊ.keɪs/

showcase

Meaning
A display case or exhibition; to present something in an attractive or favorable way.
Example
The exhibition showcased the artist's best works.
C1 verb /ˈveɪpəraɪz/

vaporize

Meaning
to turn into vapor or gas
Example
The heat of the sun can vaporize water from the surface.
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
C1 noun ˌmɪtɪˈɡeɪʃən ˈstrætədʒiz

mitigation strategies

Meaning
Plans and actions designed to reduce the severity or impact of problems or risks.
Example
Governments must adopt mitigation strategies for climate change.
B2 adverb /səˈfɪʃəntli/

sufficiently

Meaning
to an adequate degree or extent
Example
She studied sufficiently to pass the exam.
A2 noun /ˈtʃaɪldhʊd/

childhood

Meaning
the period of being a child
Example
She spent her childhood in a small village.
A2 noun /ˈbɪznəsmæn/

businessman

Meaning
a person engaged in commercial or industrial business activities
Example
The businessman invested heavily in new technology.
C1 verb rɪˈpel

repel

Meaning
To push away or force apart due to similar charges or properties.
Example
Protons repel each other.
C1 noun /rɪft/

rift

Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
C2 noun /ˈkɪləˌliːtər/

kiloliter

Meaning
a unit of capacity equal to 1,000 liters
Example
The tank can hold up to three kiloliters of water.
C2 verb /ˈæntɪkweɪt/

antiquate

Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
C2 noun /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
B1 noun /ˈlek.tʃər/

Lecture

Meaning
an educational talk to an audience, especially to students in a university or college
Example
The professor gave an interesting lecture on history.
B2 noun əˈbʌndəns

abundance

Meaning
A very large quantity of something; plenty
Example
The abundance of vegetables in winter is remarkable.
B2 noun /təˈreɪn/

terrain

Meaning
a stretch of land, especially with regard to its physical features
Example
The soldiers had to cross rough terrain during the mission.
C1 verb /ɪnˈtruːd/

intrude

Meaning
To enter a place or situation where one is not wanted or not invited.
Example
He felt embarrassed to intrude on their private conversation.
A2 noun /bɜːrθ/

Birth

Meaning
the emergence of a baby or young from the body of its mother; the beginning or origin of something
Example
The birth of their first child was a joyful moment.
C1 noun /ˈæd.vənt/

advent

Meaning
The arrival of a notable person, thing, or event.
Example
The advent of the internet changed the way people communicate.
B2 verb /ˈɛskɔrt/

escort

Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
B2 adverb /ˈsɪmɪlərli/

similarly

Meaning
in a similar way
Example
Similarly, we can achieve success with dedication and hard work.
C1 adjective /ɪˈrɒtɪk/

erotic

Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
C1 noun /ˈsɪmətri/

symmetry

Meaning
the quality of having balanced proportions or identical parts facing each other
Example
The building’s symmetry impressed the visitors.
B2 noun/verb /bruːz/

bruise

Meaning
As a noun: an injury appearing as a purple or blue mark on the skin; As a verb: to injure without breaking the skin
Example
He got a bruise on his arm after falling.
C2 verb /kɔːk/

caulk

Meaning
to seal a crack or gap with a waterproof filler
Example
He caulked the window frames to stop the draft.
C2 noun /ˈiːɡlət/

eaglet

Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
A2 noun ˌkɒmpəˈtɪʃən

competition

Meaning
The activity or condition of competing; rivalry for supremacy.
Example
Competition grew between language groups.
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
C1 verb /ˈdæŋɡəl/

dangle

Meaning
to hang loosely or swing freely
Example
The keys dangled from his belt.
B2 noun /liːk/

Leak

Meaning
a hole in a container or covering through which contents escape or enter accidentally
Example
There is a leak in the water pipe.
B2 noun ˈsʌbˌaɪtəlz

subtitles

Meaning
Captions displayed at the bottom of a movie or television screen that translate or transcribe the dialogue or narrative.
Example
Use subtitles for better understanding.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
C1 noun /ˈɛn.kleɪv/

enclave

Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
C2 adjective /ˈpɑːrtəbl/

partible

Meaning
capable of being divided or separated
Example
The estate was partible among the heirs.
C1 verb /ˈsɪvɪlaɪz/

civilize

Meaning
to bring a society or group to a more developed, organized, or socially acceptable state; to educate and refine behavior
Example
Education can help civilize communities by promoting shared values and respect.
C2 noun /ˌpaɪrəˈmeɪniə/

pyromania

Meaning
An uncontrollable desire to set things on fire.
Example
The suspect was diagnosed with pyromania after repeated incidents of arson.
B2 noun ˈpɛs.tɪ.saɪdz

pesticides

Meaning
Substances used for destroying insects or other organisms harmful to cultivated plants or to animals.
Example
Excessive pesticides use can harm the environment.
B2 adjective /səbˈstæn.ʃəl/

Substantial

Meaning
large in size, amount, or importance; considerable; significant
Example
There was a substantial increase in sales this quarter.
C2 adjective /dɪsˈkɒnsələt/

disconsolate

Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
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.
B1 noun /ˈstʌmək eɪk/

stomach ache

Meaning
Pain in the stomach or abdominal area
Example
I have a stomach ache after eating too much.
C2 noun /ˈdʒʌŋkɪt/

junket

Meaning
A trip or celebration, often funded by someone else, usually for pleasure or promotional purposes.
Example
The company organized a junket for journalists to promote their new resort.
A2 verb /sɔːrt/

sort

Meaning
to arrange or categorize something
Example
Please sort the files by date.
C2 noun /ˈʃæd.ək/

Shaddock

Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
C2 noun /ˈskæb.ərd/

scabbard

Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
B1 verb /spred/

spread

Meaning
to extend over a larger area; to distribute; to apply
Example
The news spread quickly through the town.
B2 adjective /ˈbɪtər/

Bitter

Meaning
having a sharp, pungent taste; feeling or showing anger and disappointment
Example
The medicine had a bitter taste.
C2 noun /tʃɜːrl/

churl

Meaning
A rude, boorish, or ill-mannered person.
Example
The waiter was such a churl that customers left unhappy.
B2 noun /ˈmɜːrsi/

Mercy

Meaning
Compassion or forgiveness shown toward someone whom it is in one's power to punish
Example
The judge showed mercy and gave him a lighter sentence.
C1 noun /məˈtɜːrnəti/

Maternity

Meaning
The state of being a mother; motherhood
Example
The hospital has an excellent maternity ward for new mothers.
C1 noun /ˈpen.əns/

Penance

Meaning
punishment that you accept for doing something wrong; an act of showing that you are sorry for sin
Example
The monk performed penance for his past mistakes.
C1 verb trænˈsɛnd

transcend

Meaning
To go beyond the limits of something; to surpass or exceed
Example
His effort to transcend traditional methods was commendable.
B1 verb /siːl/

seal

Meaning
to close or secure something tightly or officially confirm something
Example
He sealed the envelope before sending the letter.
A1 noun /ˈbaɪ.sɪ.kəl/

Bicycle

Meaning
A vehicle with two wheels that you pedal to make it move
Example
She rides her bicycle to work every day.
B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
C1 adjective məˈdʒes.tɪk

Majestic

Meaning
Having impressive beauty, dignity, or grandeur; regal and stately in appearance.
Example
The majestic Himalayas stand tall against the sky.
C2 noun /dreɪk/

Drake

Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
C2 verb /dɪˈskraɪ/

descry

Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
C2 noun /ˈdɪfɪdəns/

diffidence

Meaning
Lack of self-confidence; shyness or modesty.
Example
Her diffidence made it hard for her to speak in public.
C1 noun /meɪn/

mane

Meaning
the long hair growing on the neck of a horse, lion, or other animal
Example
The lion shook its thick mane proudly.
C1 noun /ˌfɪziˈɑːlədʒi/

physiology

Meaning
the scientific study of the functions and mechanisms in a living system
Example
She is majoring in human physiology at the university.
C2 noun /roʊˈtʌn.də.ti/

rotundity

Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
C1 noun /hɔːrd/

horde

Meaning
A large group or crowd, especially one that is disorderly or difficult to control.
Example
A horde of fans gathered outside the stadium.