optimal temperature
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B2 adjective + noun ˈɒptɪməl ˈtempərətʃər

optimal temperature

Meaning
The best or most favorable temperature for a particular purpose
Example
Winter provides optimal temperature for farming.
A1 noun /noʊz/

nose

Meaning
the part of the face that contains the nostrils and is used for breathing and smelling
Example
He has a sharp nose and can smell things from far away.
B1 noun /swet/

Sweat

Meaning
moisture exuded through the pores of the skin, typically as a reaction to heat, physical exertion, fever, or fear
Example
After running for an hour, he was covered in sweat.
C1 noun /ˌɪnfɪˈdɛləti/

infidelity

Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
C2 noun /ɪˈluːmɪnənt/

illuminant

Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
B2 adjective /ˈstʌnɪŋ/

stunning

Meaning
extremely impressive or attractive
Example
The view from the top of the mountain was absolutely stunning.
C1 verb /ˈsaɪdˌstɛp/

sidestep

Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
C2 noun /ˈzel.ət/

zealot

Meaning
A person who is fanatical and uncompromising in pursuit of their ideals.
Example
He was considered a zealot for his strict political views.
B2 verb /ˈverɪfaɪ/

verify

Meaning
to check if something is true or correct; to confirm
Example
Please verify your email address before proceeding.
C1 /ˈɡrævəl/

gravel

Meaning
Small stones and pebbles, often mixed with sand, used for paths, roads, and construction.
Example
The driveway was covered with gravel.
C1 noun /ɡʌl/

Gull

Meaning
a seabird with webbed feet, long wings, and usually white and gray feathers
Example
The gull swooped down to grab the fish from the water.
A2 noun, verb /ʃɒt/

shot

Meaning
a single attempt to hit something, usually with a weapon or a ball
Example
He took a shot at the goal.
C1 noun /hjuː/

hue

Meaning
A color or shade.
Example
The artist chose a soft blue hue for the background.
B1 noun /əkˈsɛptəns/

acceptance

Meaning
the act of agreeing to receive or undertake something offered
Example
Her acceptance of the award was met with applause.
B2 adjective /ˈkælkjuleɪtɪd/

calculated

Meaning
Done with full awareness of the consequences; deliberate or carefully planned.
Example
Her calculated move gave her an advantage over her competitors.
C1 noun ˈmiːdiə ˈdɒmɪnəns

media dominance

Meaning
The control and powerful influence that media has over communication and information distribution in society.
Example
The internet has enhanced media dominance globally.
B2 adjective /ˈstʌdid/

studied

Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
A2 adverb /ˈriː.sənt.li/

Recently

Meaning
in the recent past; not long ago
Example
I recently moved to a new apartment.
C1 adverb /əˈnjuː/

anew

Meaning
In a new or different way; once more.
Example
After the failure, she decided to start her life anew.
C2 noun /ˈbækənæl/

bacchanal

Meaning
A noisy party involving drinking and revelry.
Example
The festival turned into a wild bacchanal by midnight.
C2 verb /məˈtrɪkjʊˌleɪt/

matriculate

Meaning
To enroll as a student in a college or university.
Example
She matriculated at Oxford University last year.
B2 noun /ˌnɔːrθˈiːst/

northeast

Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
C1 verb /kliːv/

cleave

Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
B2 noun /heɪ/

hay

Meaning
grass that has been cut, dried, and stored for use as animal feed
Example
The cows were eating hay in the barn.
A1 noun /klɒk/

Clock

Meaning
an instrument used to indicate, keep, and co-ordinate time
Example
The clock on the wall shows three o'clock.
C1 adjective /ʃrɪl/

shrill

Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
C2 noun /ˈklaʊdˌbɜːrst/

cloudburst

Meaning
a sudden and very heavy rainfall
Example
The picnic was ruined by a sudden cloudburst.
A2 noun /bɑːθ/

Bath

Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
A2 adjective /ɪmˈpɑːsəbl/

impossible

Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
B1 noun ˈbaʊndəri

boundary

Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
C2 noun /nɑːrˈsɪsəs/

narcissus

Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
C1 noun /ˈhɑː.stɪdʒ/

Hostage

Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
C1 noun/adjective /ˈbæstərd/

bastard

Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
B1 verb /rɪd/

rid

Meaning
to remove or get rid of something
Example
I need to rid the house of all the clutter.
C2 verb /ˈwaŋɡl/

wangle

Meaning
To achieve something by clever or sometimes dishonest persuasion or trickery.
Example
He wangled a free ticket to the concert.
C1 noun /lɪˈbiːdoʊ/

libido

Meaning
Sexual desire or drive.
Example
Stress can sometimes lower a person's libido.
C2 noun /ˌsuːdəʊəˈpɒsəl/

pseudapostle

Meaning
a false or pretended apostle
Example
The preacher was condemned as a pseudapostle.
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
B2 noun /ˈlɒbstər/

Lobster

Meaning
a large marine crustacean with claws and a hard shell
Example
The lobster was served with melted butter and lemon.
C2 adjective /ˈhæm ˌhændɪd/

ham-handed

Meaning
clumsy or inept in handling things or situations
Example
His ham-handed attempt to fix the computer made it worse.
B1 adverb /praɪˈmɛrɪli/

primarily

Meaning
for the most part; mainly
Example
She is primarily responsible for managing the finances.
C1 noun/verb /skɜːrdʒ/

scourge

Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
B2 verb dɪsˈrʌpt

disrupt

Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
C1 noun /əˈtrɑːsəti/

atrocity

Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
B1 adjective /əˈrɪdʒ.ɪ.nəl/

Original

Meaning
first; fundamental; primary; authentic
Example
This is the original document, not a copy.
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
C2 noun /dɪˈstɛnʃən/

distention

Meaning
The state of being swollen due to internal pressure.
Example
The patient complained of abdominal pain and distention.
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.
B2 adjective /ˈfeɪtl/

fatal

Meaning
causing death; leading to disaster
Example
The accident proved fatal for the driver.
C1 noun /əˈsɛnʃən/

ascension

Meaning
The act of rising or going up, often to an important position or a higher place.
Example
His rapid ascension in the company surprised everyone.
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
B1 noun /ˈɛlɪmənt/

element

Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
A2 verb /ˈbɒðər/

bother

Meaning
to annoy, worry, or cause trouble to someone
Example
I don't want to bother you while you're working.
C2 noun /trɪˈplɪs.ə.ti/

triplicity

Meaning
The state of being triple or consisting of three parts.
Example
The design shows a triplicity of forms combined harmoniously.
C1 noun /blaɪt/

blight

Meaning
A disease or condition that causes plants to wither; something that spoils or damages.
Example
The drought was a blight on the farmer’s crops.
C1 verb /vaʊtʃ/

vouch

Meaning
to confirm or assert the truth or reliability of something
Example
I can vouch for his honesty.
B2 noun /ɪnˈtɛnsəti/

intensity

Meaning
The quality of being extreme, strong, or forceful in degree.
Example
The intensity of the storm frightened the villagers.
C2 adjective /ˈwɪznd/

wizened

Meaning
Shriveled, wrinkled, or withered, often due to age.
Example
The wizened tree stood in the field for centuries.
C2 verb /ˈflædʒəˌleɪt/

flagellate

Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
B2 verb /kənˈsɜːrv/

conserve

Meaning
to protect something from harm or destruction; to use resources carefully to avoid waste
Example
We must conserve water during the dry season.
B2 noun /ˈsɜːdʒən/

surgeon

Meaning
a doctor who performs medical operations
Example
The surgeon performed a complex heart operation.
C1 noun /vəˈnɪər/

veneer

Meaning
A thin decorative covering of fine wood applied to a coarser wood or other material; a superficially attractive appearance.
Example
The table was covered with a thin veneer of mahogany.
C2 verb /ɛnˈdʒɔɪn/

enjoin

Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
B2 noun /rɪˈvendʒ/

Revenge

Meaning
the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands
Example
She sought revenge against those who betrayed her trust.
C1 noun /ˈɡræv.ɪ.tæs/

gravitas

Meaning
Dignity, seriousness, or solemnity of manner or speech.
Example
The judge spoke with great gravitas.
B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

Meaning
Extremely tired; having no energy left.
Example
Feeling exhausted after waking up is common.
B2 verb /ɪnˈtaɪtəl/

entitle

Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
A1 adjective /ˈbɔːrɪŋ/

boring

Meaning
not interesting or exciting; dull.
Example
The lecture was so boring that several students fell asleep.
A1 noun /ɪər/

Ear

Meaning
the organ of hearing; the ability to hear or listen
Example
She whispered something in his ear during the meeting.
B2 noun /ˈzɪɡzæɡ/

Zigzag

Meaning
a line or course having abrupt alternate right and left turns; a pattern of sharp turns
Example
The road follows a zigzag pattern up the mountain.
C1 adjective ˌdet.rɪˈmen.təl

detrimental

Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
C1 verb কনডেন্স

condense

Meaning
To change from gas to liquid form; to become denser.
Example
Water vapor condenses into raindrops.
C2 adjective /ˈmɔːrɪbʌnd/

Moribund

Meaning
near death; dying; in a state of decline or decay
Example
The moribund patient was in critical condition.
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
A2 noun rɪˈspɛkt

respect

Meaning
A feeling of deep admiration for someone or something.
Example
We should show respect to the freedom fighters.
A1 adjective /ˈwelkəm/

Welcome

Meaning
received with pleasure; giving pleasure; allowed or invited
Example
You are always welcome in our home.
C1 adjective /ˈsɒnɪk/

sonic

Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
A2 noun /klaʊd/

Cloud

Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
C1 noun vaɪˈtæləti

vitality

Meaning
The state of being strong and active; energy.
Example
The vitality of the team helped them succeed in the competition.
C2 noun /ˈvɪtəlz/

victuals

Meaning
Food or provisions, especially for human consumption.
Example
The travelers packed enough victuals for their long journey.
C2 verb /bɪˈweɪl/

bewail

Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
B2 noun /baɪˈɒɡrəfi/

Biography

Meaning
an account of someone's life written by someone else; the story of a person's life
Example
I'm reading a fascinating biography of Albert Einstein.
B2 verb /əˈbaɪd/

abide

Meaning
to accept or act in accordance with; to endure; to dwell
Example
I will abide by the rules of the company.
A2 verb /faɪt/

fight

Meaning
to engage in battle or combat; to struggle against
Example
The soldiers fight for their country.
B2 verb /ˌkoʊ.ɪnˈsaɪd/

coincide

Meaning
To occur at the same time or to be in agreement.
Example
The meeting coincided with her birthday.
C1 verb /rɪˈvɪər/

revere

Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
B2 adjective /self səˈfɪʃənt/

Self-sufficient

Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
C2 noun /ˌpɪəriəˈdɪsɪti/

periodicity

Meaning
The quality or state of being regular or recurring at intervals.
Example
The periodicity of the moon’s phases has fascinated humans for centuries.
C1 adjective /ʌnˈspiːkəbl/

unspeakable

Meaning
too bad or shocking to be expressed in words
Example
The survivors endured unspeakable horrors during the war.
C1 adjective /pəˈfʌŋk.tər.i/

perfunctory

Meaning
done without much effort, interest, or thought
Example
He gave a perfunctory nod and walked away.
C2 noun /lʌɡˈʒʊəriəns/

luxuriance

Meaning
abundant growth, richness, or elegance
Example
The garden was filled with the luxuriance of tropical plants.
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 verb /ˈvɪlɪfaɪ/

vilify

Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
C2 adjective /əˈkɜːrsɪd/

accursed

Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
C1 adjective /ˈpræk.tɪ.kə.bəl/

practicable

Meaning
able to be done or put into practice successfully
Example
The plan is not practicable without more resources.
B1 noun /weɪl/

Whale

Meaning
a very large marine mammal with a streamlined hairless body, a horizontal tail fin, and a blowhole on top of the head for breathing
Example
The blue whale is the largest animal ever known to have lived on Earth.
B2 verb /ɪnˈdjuːs/

induce

Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
B2 adverb /ˈaʊər.li/

Hourly

Meaning
every hour; happening or done each hour; continuously
Example
The weather report is updated hourly.
C1 adjective /ˈhɛdˌstrɔŋ/

headstrong

Meaning
Determined to do what one wants, even if it is not sensible.
Example
The headstrong child refused to listen to anyone.
C1 adjective /ˌɑːpərˈtuːn/

opportune

Meaning
Happening at a suitable or convenient time.
Example
She arrived at an opportune moment to help.
B2 noun /ˈbɪtərnəs/

Bitterness

Meaning
anger and disappointment at being treated unfairly; resentment; a sharp, unpleasant taste
Example
She spoke with bitterness about her former employer.
C2 noun /ˈbrɪk.bæt/

Brickbat

Meaning
a piece of brick, especially one used as a missile; harsh criticism or censure
Example
The angry protesters threw brickbats at the building windows.
C2 noun /bɪˈtroʊðəl/

betrothal

Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
C1 noun /ˌɪntərˈdʒɛkʃən/

interjection

Meaning
a word or phrase used to express sudden emotion or reaction, often standing alone
Example
Words like 'wow' and 'ouch' are common interjections in English.
B2 verb /dɪˈspoʊz/

dispose

Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
C1 adjective ˈeɪlɪəneɪtɪd

alienated

Meaning
Feeling isolated or estranged; disconnected from others or society.
Example
Alienated students are more prone to delinquency.
B1 noun /ˈsɪtɪzən/

citizen

Meaning
a legally recognized subject or national of a state
Example
Every citizen has the right to vote.
B2 verb /ˈfæsən/

fasten

Meaning
To attach or secure something firmly in place
Example
Please fasten your seatbelt before the plane takes off.
B2 noun/verb /ˈkwɒr.ən.tiːn/

quarantine

Meaning
A period of isolation to prevent the spread of disease.
Example
The travelers were placed in quarantine for two weeks.
C1 noun /ˈɡæm.ət/

gamut

Meaning
The complete range or scope of something.
Example
Her emotions ran the gamut from joy to sorrow in just a few minutes.
B2 verb /koʊˈɔːrdɪˌneɪt/

coordinate

Meaning
to organize people or things so that they work together effectively
Example
We need to coordinate our efforts to finish the project on time.
C1 adjective /ˈskeɪðɪŋ/

scathing

Meaning
severely critical; harshly scornful
Example
The critic wrote a scathing review of the movie.
B2 adjective /ˈæfluənt/

affluent

Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
C2 noun /ˈɔːspɪs/

auspice

Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
B1 noun /ˈtaɪmɪŋ/

timing

Meaning
the choice, judgment, or control of when something should be done
Example
Good timing is essential in business negotiations.
C2 noun /mɪˌsɛdʒəˈneɪʃən/

miscegenation

Meaning
the interbreeding of people considered to be of different racial types
Example
The law once prohibited miscegenation in many countries.