gaseous
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C1 adjective /ˈɡæsiəs/

gaseous

Meaning
Relating to or having the form of gas.
Example
Carbon dioxide is a gaseous substance.
B2 noun ˈɒksɪdʒən prəˈdʌkʃən

oxygen production

Meaning
The process of generating oxygen through photosynthesis or other means.
Example
Plants are vital for oxygen production and the maintenance of life.
C1 verb /ˈheɪsən/

hasten

Meaning
To move or act quickly; to cause something to happen sooner.
Example
He hastened to finish his work before the deadline.
A2 noun /ɡʌn/

Gun

Meaning
a weapon that fires bullets or other projectiles from a metal tube
Example
The soldier cleaned his gun after the training session.
C2 noun /flɛk/

fleck

Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
B2 verb /draʊn/

drown

Meaning
to die or cause to die by being submerged in and inhaling water
Example
He nearly drowned while swimming in the river.
B2 adjective /kənˈdʒɛstɪd/

congested

Meaning
Blocked up with too much traffic or crowding.
Example
The road was congested during rush hour.
B2 adjective /ˌædvənˈteɪdʒəs/

Advantageous

Meaning
beneficial; favorable; profitable
Example
This position offers advantageous opportunities for career growth.
B2 noun /kənˈstreɪnt/

constraint

Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
C2 noun/verb /ˈpɪləri/

pillory

Meaning
a device for publicly punishing someone / to expose to public ridicule
Example
The corrupt official was placed in the pillory for the town to jeer at.
B2 verb /ˈkeɪtər/

cater

Meaning
To provide food, drinks, or services, usually for an event or group.
Example
The company catered the wedding reception.
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
A2 noun ˈen.ə.dʒi

energy

Meaning
Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Example
Clean energy sources help reduce pollution.
C1 noun /ˈtɒpˌsɔɪl/

topsoil

Meaning
the top layer of soil, which is rich in organic matter and nutrients
Example
Farmers rely on healthy topsoil for good crop yields.
C2 adjective /ˈɪkθiɪk/

ichthyic

Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
C1 noun /əˈpɒlədʒɪst/

apologist

Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
C1 noun /ˈɛksədəs/

exodus

Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
A1 noun /θɪŋ/

thing

Meaning
an object, idea, or matter that is being referred to or dealt with
Example
This is the thing I was looking for.
C2 noun /ˈlɪtɪɡənt/

litigant

Meaning
a person involved in a lawsuit
Example
The court summoned both litigants for the hearing.
C2 adjective /rəˈpeɪ.ʃəs/

rapacious

Meaning
having an extreme desire to take things for oneself, greedy
Example
The rapacious landlord raised the rent without reason.
B2 noun /ˈtɔːrsoʊ/

torso

Meaning
The trunk of the human body, excluding the head and limbs.
Example
The artist painted the torso of the model in great detail.
C1 adjective /ˈsɔːsi/

saucy

Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
B1 noun /kəˈnæl/

canal

Meaning
an artificial waterway constructed for navigation, irrigation, or drainage
Example
The canal was built to help transport goods across the region.
B2 adjective /ɪkˈsploʊsɪv/

explosive

Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.
B1 adjective /eɪdʒd/

aged

Meaning
having lived for a specified number of years; old
Example
The aged man sat in the park, watching the children play.
B1 noun prəˈtek.ʃən

protection

Meaning
The action of protecting someone or something, or the state of being protected.
Example
The movement focused on the protection of rights.
C1 noun /kɒzˈmɒlədʒi/

cosmology

Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
B2 noun prəˈdʒɛk.ʃən

projection

Meaning
The strength and range of voice when speaking.
Example
Proper projection ensures that every listener hears clearly.
C2 noun /ɛmˈpɔːriəm/

emporium

Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
B1 verb /rɪˈliːs/

release

Meaning
to set free; to allow something to escape or go away
Example
The prisoner was released after ten years.
C1 noun (plural) /kwɑːmz/

qualms

Meaning
feelings of doubt, worry, or uneasiness
Example
He had serious qualms about accepting the offer.
C2 adjective /ˌsuː.pɚˈsɪl.i.əs/

supercilious

Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
C2 adjective /ɪnˈsɛnʃənt/

insentient

Meaning
Lacking perception, consciousness, or sensation.
Example
The rock is an insentient object with no awareness.
B1 adjective /ˈsekənderi/

secondary

Meaning
Less important than something else; derived from or dependent on something primary.
Example
Safety is our primary concern, while speed is only secondary.
C1 noun /ˈpɪntʃərz/

pinchers

Meaning
a tool used for gripping or squeezing objects
Example
Use the pinchers to remove the hot coal safely.
C1 verb /ˌoʊvərˈruːl/

overrule

Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
C2 noun /ˌtɜːdʒɪvərˈseɪʃən/

tergiversation

Meaning
Evasion of straightforward action or speech; changing sides or being inconsistent.
Example
The politician’s tergiversation frustrated his supporters.
C2 adjective /əˈskjuː/

askew

Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
C1 verb /əˈtɛst/

attest

Meaning
To provide or serve as clear evidence of; to confirm or certify the truth of something.
Example
The witness attested to the accuracy of the report.
C2 noun /səˈɡæs.ə.t̬i/

sagacity

Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
C2 adjective /ˈrɪbɔːld/

ribald

Meaning
Referring to sexual matters in a humorous or vulgar way.
Example
The comedian’s ribald jokes made the audience laugh uncomfortably.
C2 noun /sɪˈnɛrəsɪs/

syneresis

Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
C2 verb /əˈbɑː.mə.neɪt/

abominate

Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
C1 adjective /əˈbɪzməl/

abysmal

Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
B2 noun/adjective /rɪˈpʌblɪkən/

republican

Meaning
a member or supporter of a republican political party or system
Example
The republican candidate won the election.
B1 noun /məˈkænɪk/

mechanic

Meaning
a person who repairs and maintains machines or vehicles
Example
The mechanic fixed the engine in less than an hour.
A2 noun /ˈrɛsɪpi/

recipe

Meaning
a set of instructions for preparing a particular dish, including a list of the ingredients required
Example
I found a great recipe for chocolate cake.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
B1 noun ˈtʃeə.pɜː.sən

chairperson

Meaning
A person who is in charge of a meeting or organization; the presiding officer of a committee, board, or organization.
Example
The chairperson ensures procedural integrity.
B2 verb /ɪnˈheɪl/

inhale

Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
C1 verb /ˈmɛdəl/

meddle

Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
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.
C1 adjective /ˈsɜːrli/

surly

Meaning
bad-tempered and unfriendly
Example
The waiter gave us a surly look when we asked for more water.
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
B1 adjective /ʌnˈlaɪkli/

Unlikely

Meaning
not likely to happen; improbable
Example
It's unlikely to rain today with such clear skies.
C1 verb /rɪˈlɛnt/

relent

Meaning
to become less severe, harsh, or strict
Example
After hours of begging, she finally relented.
C1 noun /ˈdaɪəˌlɛkt/

dialect

Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
B1 noun əˈses.mənt

assessment

Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
B2 noun ˈoʊzoʊn dɪˈpliʃən

ozone depletion

Meaning
The reduction in the amount of ozone in the Earth's stratosphere, leading to increased UV radiation.
Example
Ozone depletion increases UV radiation.
C1 adjective /ˈbleɪmləs/

blameless

Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
B2 noun ˈɪn.deks

index

Meaning
An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.
Example
An index organizes critical data.
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
B2 verb /ˈbrɪdʒɪŋ/

bridging

Meaning
The action of building a bridge over something; connecting or reducing the distance between two things.
Example
The new initiative is bridging the gap between urban and rural development.
B1 noun /ˌdek.əˈreɪ.ʃən/

Decoration

Meaning
the process or art of decorating something; ornamental items used to beautify
Example
The Christmas decoration transformed the ordinary room into a festive wonderland.
C2 adjective /ˈæfəbəl/

affable

Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
A1 noun /ˈmʌn.deɪ/

monday

Meaning
the first day of the working week following Sunday
Example
I start my new job on Monday.
B2 adjective /ˈfɛmənɪn/

feminine

Meaning
having qualities traditionally associated with women; feminine in nature
Example
She has a very feminine style of dressing.
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
C1 verb /praʊl/

prowl

Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
C1 noun /ˈpraɪ.meɪt/

primate

Meaning
A member of the group of animals including humans, apes, and monkeys.
Example
Humans are classified as primates.
B1 noun /tʃɑːrm/

Charm

Meaning
the power or quality of giving delight or arousing admiration; a magical spell or talisman
Example
Her natural charm and wit made her popular at social gatherings.
C1 adjective /ˌeɪˈmɔːrəl/

amoral

Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
C1 verb /ɡloʊt/

gloat

Meaning
To take pleasure in someone else's misfortune or to show smug satisfaction.
Example
He couldn't help but gloat over his rival's failure.
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
C2 adjective /kwɪkˈsɑː.t̬ɪk/

quixotic

Meaning
Extremely idealistic, unrealistic, and impractical.
Example
His quixotic dreams often led to disappointment.
B2 noun /ˈaʊtskɜːrts/

outskirts

Meaning
The outer parts of a town or city, away from the center.
Example
They moved to the outskirts of the city for a quieter life.
A2 adjective /ɪmˈpɑːsəbl/

impossible

Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
C1 adjective/adverb /əˈmɪs/

amiss

Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
C1 noun /ˈen.mə.ti/

Enmity

Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
B2 noun /ˈbrʌðərhʊd/

brotherhood

Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
B2 noun /kəˈlɑːʒ/

collage

Meaning
A piece of art made by sticking various materials such as photographs or paper onto a surface.
Example
She created a collage using old magazine pictures.
C2 noun /ˌfoʊ.nəˈlɑː.dʒi/

phonology

Meaning
the study of the sound system of a language
Example
She is studying phonology to understand how sounds function in English.
C1 adjective /ˈkwɑː.drʊ.pəl/

Quadruple

Meaning
four times as much or as many; consisting of four parts
Example
The company's profits have shown quadruple growth this year.
C2 adjective /ˈbræsi/

brassy

Meaning
loud and showy in a way that lacks good taste; resembling brass in color or sound
Example
She wore a brassy necklace that caught everyone’s attention.
B2 adverb /ˈstrɪktli/

strictly

Meaning
in a way that follows rules or limits completely
Example
Smoking is strictly prohibited inside the building.
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
B1 adjective /brɔːd/

Broad

Meaning
wide; extensive; covering a large area
Example
The river is very broad at this point.
C1 noun /ˈiːɡoʊˌɪzəm/

egoism

Meaning
An ethical theory that treats self-interest as the foundation of morality; also, excessive preoccupation with oneself.
Example
His decisions were often driven by egoism rather than concern for others.
C1 verb /drɛntʃ/

drench

Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
C2 adjective /ˈvɛəriəˌɡeɪtɪd/

variegated

Meaning
Having different colors, especially in irregular patches or streaks.
Example
The garden was full of variegated plants.
C1 noun ˈdɪskɔrd

discord

Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
B1 noun /ˈæs.pekt/

aspect

Meaning
A particular part, feature, or view of something.
Example
One important aspect of health is regular exercise.
A2 verb /mɪks/

mix

Meaning
To combine different substances or elements together.
Example
She likes to mix different colors to create new shades.
C1 noun səˌsɛp.təˈbɪl.ə.ti

susceptibility

Meaning
The quality of being likely to be influenced or harmed by a particular thing; vulnerability.
Example
High susceptibility to infections requires extra care.
B1 verb /krɔːl/

crawl

Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
C1 verb /məˈnuː.vər/

manoeuver

Meaning
To move skillfully or carefully; to guide or manipulate into a desired position.
Example
The driver skillfully manoeuvered the car through the narrow street.
C1 adjective ˈkɒn.təm.plə.tɪv

contemplative

Meaning
Expressing or involving prolonged thought; meditative and reflective.
Example
He spent a contemplative evening reflecting on his decisions.
C1 adjective /ˌɪn.səbˈstæn.ʃəl/

insubstantial

Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
B2 noun /ˈækjərəsi/

Accuracy

Meaning
the quality of being correct or precise; exactness
Example
The accuracy of the measurements is very important.
C1 noun /ˈɪn.trə.vɜːrt/

introvert

Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
B1 adverb /ˈfeər.li/

Fairly

Meaning
in a just manner; moderately; reasonably
Example
The test was fairly easy, but some questions were challenging.
B2 noun /ˈsiːkər/

seeker

Meaning
a person who is looking for something, especially knowledge or truth
Example
The seeker traveled far to find the answers to his questions.
A2 noun wʊd

wood

Meaning
The hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub.
Example
Wood is being tested for its resilience in space.
C1 noun /kənˈfɔːrmɪst/

conformist

Meaning
A person who uncritically conforms to established practices or standards.
Example
She was labeled a conformist for always following the crowd.
B2 noun /ˈswiː.pər/

Sweeper

Meaning
a person whose job is to clean floors and streets by sweeping
Example
The sweeper cleaned the school corridor every morning.
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

Meaning
A chemical substance used to kill unwanted plants, especially weeds.
Example
Farmers used herbicide to protect their crops from invasive weeds.
C1 verb /rɪˈpjuː.di.eɪt/

repudiate

Meaning
to refuse to accept, recognize, or support something
Example
He repudiated the claim that he was involved in the scandal.
A2 adjective /ˈwɜːrkɪŋ/

working

Meaning
engaged in physical or mental effort to achieve a goal or task
Example
She is working on her project right now.
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
A2 noun /rent/

Rent

Meaning
a payment made periodically by a tenant to a landlord for use of property
Example
The monthly rent for this apartment is quite affordable.
B2 noun /ɪkˈspen.dɪ.tʃər/

expenditure

Meaning
The action of spending funds; an amount of money spent.
Example
Managing expenditure is critical for budgeting.
C2 noun /rɪˈvaɪlər/

reviler

Meaning
a person who criticizes or insults others abusively
Example
He was known as a reviler of all who opposed him.
C1 noun /ˈhɛzɪtəns/

hesitance

Meaning
The quality or state of being reluctant or uncertain.
Example
Her hesitance to speak up delayed the decision.
B1 adverb /ˈkɒmənli/

commonly

Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
B2 adjective /leɪm/

Lame

Meaning
unable to walk normally because of an injury or illness affecting the leg or foot; weak and unconvincing
Example
The injured horse was lame and couldn't walk properly.
C1 noun /nɪˈɡeɪʃən/

negation

Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
C1 adverb /rɪˈspek.tə.bli/

Respectably

Meaning
in a way that is worthy of respect; decently; properly
Example
She was dressed respectably for the interview.
B2 verb /rɪˈkʌvərɪŋ/

recovering

Meaning
the process of getting better after illness, loss, or difficulty
Example
She is still recovering from the flu.