lackluster
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C1 adjective /ˈlækˌlʌstər/

lackluster

Meaning
Lacking in vitality, force, or conviction; uninspired or uninspiring.
Example
The lackluster performance disappointed the audience.
C1 adjective /ˈmaʊntɪnəs/

Mountainous

Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
C1 verb /ˈstaɪfl/

stifle

Meaning
to prevent or restrain an action, idea, or emotion; to suffocate
Example
She tried to stifle a laugh during the serious meeting.
B2 adjective ˈsiːm.ləs

seamless

Meaning
A process or service that works without any interruption.
Example
A seamless checkout process improves user satisfaction.
C2 adjective /sɪər/

sere

Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
B1 verb অকার্স

occurs

Meaning
Happens or takes place, especially as a result of something.
Example
Snowfall occurs in regions with freezing temperatures.
A2 adjective /ˈmɪzɪkəl/

musical

Meaning
related to or consisting of music
Example
She has a very musical voice.
C1 noun /ˈmʌltɪplaɪər/

multiplier

Meaning
a number or factor by which another number is multiplied; something that increases the effect or value of something else
Example
In economics, government spending can act as a multiplier for economic growth.
A2 verb /əˈpɪə/

appear

Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
B2 adjective /ˈruː.mi/

Roomy

Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
B1 noun ˈreɪn.fɒr.ɪst

rainforest

Meaning
A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
Example
The Amazon rainforest is home to millions of species.
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
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.
B2 adjective /ˈɡræf.ɪk/

Graphic

Meaning
relating to visual design; vivid; clearly described;
Example
The graphic design was colorful and eye-catching.
C1 adjective /ˈraʊzɪŋ/

rousing

Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
C1 adverb /ˈrɪdʒɪdli/

Rigidly

Meaning
in a strict, inflexible manner; without compromise
Example
The rules are rigidly enforced in this institution.
B2 adjective /ɪnˈtaɪtəld/

entitled

Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
C1 adjective /ˌɪnkənˈsiːvəbl̩/

inconceivable

Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
C2 noun /ˈwɒrən/

warren

Meaning
A network of interconnected rabbit burrows; also used metaphorically for a densely populated building or district.
Example
The old part of the city is a warren of narrow streets.
B1 verb /fərˈbɪd/

forbid

Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
B2 noun /ˈaʊtlʊk/

outlook

Meaning
a person's general attitude or view; a forecast or prospect
Example
The economic outlook for the year is positive.
C1 adjective /ˈblʌdləs/

bloodless

Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
B2 noun /əˈnætəmi/

anatomy

Meaning
the study of the structure of living things, especially the human body
Example
She is studying human anatomy at medical school.
C2 noun /ˈsælvoʊ/

salvo

Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
C1 verb /sleɪ/

slay

Meaning
to kill violently; informally, to impress greatly
Example
The hero vowed to slay the dragon.
A1 noun /lʌntʃ/

Lunch

Meaning
a meal eaten in the middle of the day, typically one that is lighter or less formal than an evening meal
Example
We had lunch at a nice restaurant downtown.
B2 noun /kəmˈplaɪ.əns/

compliance

Meaning
The practice of conforming to rules, regulations, or laws; obedience to orders or instructions.
Example
Schools expect compliance with their rules and policies.
C1 noun /foʊ/

foe

Meaning
an enemy or opponent
Example
The knight fought bravely against his foe.
C1 adjective /ˈbɔɪstərəs/

boisterous

Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
C1 noun /ˈprɒvənəns/

provenance

Meaning
The origin or source of something.
Example
The museum verified the provenance of the ancient manuscript.
A2 noun /skɪl/

skill

Meaning
the ability to do something well through training or experience
Example
Her skill in painting impressed everyone.
B2 noun /pərˈsɪstəns/

persistence

Meaning
the quality of continuing steadily despite problems or difficulties
Example
His persistence finally paid off when he got the job.
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.
B1 verb /riˈækt/

react

Meaning
to respond or behave in a particular way to something
Example
She reacted angrily when she heard the news.
A1 interjection /həˈloʊ/

hello

Meaning
a greeting or expression used when meeting someone or starting a conversation
Example
She answered the phone with a cheerful hello.
B1 noun /ˈdʒuː.ni.ər/

Junior

Meaning
a person who is younger or lower in rank than someone else; relating to young people
Example
The junior employee was eager to learn from senior colleagues.
C2 adjective /əbˈsiːkwɪəs/

obsequious

Meaning
Excessively obedient or attentive in a servile way.
Example
The waiter gave an obsequious bow to every customer.
C2 noun /ˈsɪnəd/

synod

Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
C2 noun /strəˈmoʊ.ni.əm ˌflaʊ.ər/

Stramonium flower

Meaning
A trumpet-shaped white or purple flower from the jimsonweed plant, known for its toxic properties
Example
The stramonium flower blooms at night with a sweet fragrance.
B1 adjective /əˈlɜːrt/

alert

Meaning
quick to notice and respond to potential danger or issues; aware and attentive
Example
The alert dog barked at the stranger approaching the house.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
C1 verb /tɔːnt/

taunt

Meaning
to provoke or challenge someone with insulting remarks
Example
The bully tried to taunt him with cruel words.
C2 noun /ˈtɛsteɪtər/

testator

Meaning
a person who has made a will
Example
The lawyer read the will of the deceased testator.
C1 noun /ˈfɔːrdʒər/

forger

Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
C1 adjective /ˈtraɪflɪŋ/

Trifling

Meaning
of little importance; trivial; insignificant
Example
Don't worry about such trifling matters.
A2 adverb /ˌɪnˈdɔːrz/

indoors

Meaning
inside a building; within an enclosed space
Example
Because of the rain, everyone stayed indoors.
C2 noun /ˈɑːriə/

aria

Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
A1 adjective /ˈwʌndərfəl/

wonderful

Meaning
extremely good or impressive
Example
She had a wonderful time at the party.
B1 verb /dɪˈnaɪ/

deny

Meaning
to refuse to accept or admit something; to declare something untrue
Example
He denied stealing the money.
B2 adjective /ɪnˈtɛns/

intense

Meaning
Of extreme force, degree, or strength.
Example
She felt intense pain after the accident.
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
B2 noun /ˈhɑːt.biːt/

heartbeat

Meaning
A pulsation of the heart, especially as perceptible to the touch or audible with a stethoscope.
Example
Rubbing the eyes helps normalize the heartbeat.
C1 adjective ɪnˈtrɪn.zɪk

intrinsic

Meaning
Belonging naturally; essential. Existing as a natural or basic part of something.
Example
Creativity is an intrinsic quality of a great artist.
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
C2 verb /ˈmɒrəlaɪz/

moralize

Meaning
To comment on issues of right and wrong, often with an air of superiority.
Example
He tends to moralize about other people's choices.
B2 noun /ˈnɒvəlɪst/

novelist

Meaning
a person who writes novels
Example
The novelist spent years writing his new book.
B2 noun /kəˈθɒlɪsɪzəm/

catholicism

Meaning
The faith, practice, and church order of the Roman Catholic Church.
Example
Catholicism has a long history and rich traditions.
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
B2 noun /ˈæməzɒn/

amazon

Meaning
A tall, strong, or powerful woman.
Example
She fought like an amazon in the competition.
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
C1 noun /ɔːˈrɔːrə/

aurora

Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
C2 noun /ˌbækəˈneɪliə/

bacchanalia

Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
C2 noun /ˈɑːm.lət/

Armlet

Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
B2 noun, verb /ɪntʃ/

inch

Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
A1 adjective /dɪr/

dear

Meaning
loved or cherished; sometimes used as a polite form of address
Example
She is very dear to her grandparents.
B2 adjective strəˈtiː.dʒɪk

strategic

Meaning
Relating to the identification of long-term or overall aims and interests and the means of achieving them.
Example
Strategic policies enhance competitiveness.
B2 noun /səkˈses.ər/

Successor

Meaning
a person who succeeds another in office; someone who takes over a position or role
Example
The CEO announced his retirement and named his successor for the company.
C1 noun /ˈpɪt.fɔːl/

pitfall

Meaning
a hidden or unexpected danger or difficulty
Example
Investors must be aware of the pitfalls of the market.
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
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.
A2 noun /ˈmoʊ.tər ˌsaɪ.kəl/

Motor Cycle

Meaning
a two-wheeled vehicle powered by an engine
Example
He rides his motorcycle to work every day.
C2 adjective /dɪˈrɪzəbl/

derisible

Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
B2 adjective prɪˈlɪm.ɪ.nər.i

preliminary

Meaning
Denoting an action or event preceding or done in preparation for something fuller or more important.
Example
Preliminary steps are crucial before the main project.
C1 adjective /sɪˈkluːdɪd/

secluded

Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
B2 noun /prɪˈskrɪpʃən/

prescription

Meaning
A written order from a doctor for the preparation and administration of a medicine; also, a recommendation or authoritative rule.
Example
The doctor gave her a prescription for antibiotics.
A2 noun /θɔːts/

thoughts

Meaning
An idea or opinion produced by thinking, or occurring suddenly in the mind.
Example
Focus your thoughts on positive outcomes.
C1 adjective ɪnˈdʒiː.ni.əs

ingenious

Meaning
Showing inventiveness and skill; clever, original, and inventive.
Example
His ingenious ideas transformed modern physics.
B2 adjective /ˈpæn.ɪ.ki/

Panicky

Meaning
feeling or showing panic; anxious and fearful
Example
The crowd became panicky when the fire alarm sounded.
C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

Meaning
A violent uprising against an authority or government.
Example
The army was called in to suppress the insurrection.
B2 noun /brɪŋk/

brink

Meaning
The edge or point just before a significant event or change.
Example
The company was on the brink of bankruptcy.
B2 verb, noun, adjective /ˈɔːltərnət/ (adj, noun), /ˈɔːltərˌneɪt/ (verb)

alternate

Meaning
to occur in turn repeatedly; to take turns; also, a substitute or replacement
Example
The students alternate between online and offline classes.
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
C1 verb /ɪˈloʊp/

elope

Meaning
to run away secretly in order to get married, especially without parental consent
Example
The young couple decided to elope to another city.
B1 adjective /ʌnˈplɛz.ənt/

Unpleasant

Meaning
not giving or causing pleasure; disagreeable
Example
The medicine had an unpleasant taste.
A2 noun /ruːlz/

rules

Meaning
explicit principles or regulations governing conduct or procedure within a particular area of activity
Example
The teacher reminded the students to follow the classroom rules.
B2 adjective /rɪˈfaɪnd/

Refined

Meaning
elegant and cultured in appearance, manner, or taste; purified
Example
She has very refined taste in art and music.
C1 noun /ɪˈmiːdiəsi/

immediacy

Meaning
The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.
Example
The immediacy of digital communication has reshaped business operations.
C1 noun /ˌklɔːstrəˈfəʊbiə/

claustrophobia

Meaning
an extreme or irrational fear of being in confined spaces
Example
He avoids elevators because of his claustrophobia.
A2 adjective /ˈdeɪndʒərəs/

dangerous

Meaning
likely to cause harm or injury; unsafe
Example
Driving fast on icy roads is dangerous.
B2 noun /əˈdʒʌstmənt/

adjustment

Meaning
a small change made to improve something or make it work better
Example
The doctor made an adjustment to the patient’s medication.
C1 noun /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
A2 noun /ˈmaʊn.tɪn/

Mountain

Meaning
a large natural elevation of earth and rock rising above the ground
Example
They climbed the highest mountain in the region.
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
C2 noun /djuːˈplɪsɪti/

duplicity

Meaning
Deceitfulness or double-dealing; dishonesty.
Example
Her duplicity was revealed during the investigation.
C1 verb /ˈmɜːrmər/

murmur

Meaning
To say something in a low, soft, or indistinct voice.
Example
She murmured a prayer before going to sleep.
B2 adjective /ˈnoʊtəbl/

notable

Meaning
worthy of attention or notice; remarkable
Example
She made a notable contribution to the project.
C1 verb /luːt/

loot

Meaning
to steal goods, typically during war, riot, or chaos
Example
The rioters looted several shops during the protest.
B1 noun ˈseɪ.vɪŋ

saving

Meaning
The practice of keeping and accumulating money for future use rather than spending it immediately.
Example
Regular saving habits ensure financial security.
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
A1 noun /ˈwɪn.doʊ/

Window

Meaning
an opening in a wall fitted with glass to let in light and air
Example
Please open the window for fresh air.
A2 noun /hɛlθ/

health

Meaning
The state of being free from illness or injury.
Example
Exercise is important for good health.
B2 noun/verb /ˌoʊvərˈlæp/

overlap

Meaning
To extend over and cover partly; an area where things coincide.
Example
The two meetings overlap by an hour.
B2 phrase teɪk ˈpɜː.sən.əl.i

take personally

Meaning
To interpret someone's words or actions as a personal attack or criticism.
Example
Don't take it personally, he didn't mean to upset you.
C1 noun /ˈæmfɪˌθiətər/

amphitheater

Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
B2 adjective /ˌpoʊstˈwɔːr/

post-war

Meaning
relating to the period after a war has ended
Example
The country experienced rapid economic growth in the post-war years.
B2 verb /kloʊð/

clothe

Meaning
to put clothes on; to dress; to provide with clothing
Example
She clothed the baby in warm garments.
B2 noun /ˈbɛriəl/

burial

Meaning
the act of placing a dead body into the ground.
Example
The burial ceremony took place in the afternoon.
C2 noun /ˈlɒkətɪv/

locative

Meaning
a grammatical case indicating location or place
Example
In Latin, the locative case is used to indicate location.
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
C2 adjective /dɪˈrɒɡətɪv/

derogative

Meaning
Expressing a low opinion or showing lack of respect.
Example
He made a derogative remark about her work.
B2 noun /ˈkɒnsənənt/

consonant

Meaning
A speech sound produced by blocking air flow, or a letter representing such a sound.
Example
The word 'cat' has two consonants and one vowel.
A2 noun /ˈʌn.jən/

Onion

Meaning
a round vegetable with a strong taste and smell, made up of many layers
Example
I need to chop some onions for the curry recipe.
C1 noun /ˈiːɡətɪst/

egotist

Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
B1 adjective /ˈdʒɛnərəs/

generous

Meaning
willing to give or share more than is necessary; kind and giving
Example
She is very generous with her time and money.
C2 noun /ˈpɪnəs/

pinnace

Meaning
a small boat, often carried by a larger ship
Example
The sailors used a pinnace to reach the shore.
A2 noun /tʃeɪn/

chain

Meaning
a connected series of metal rings used for fastening or securing things; a series of connected events or businesses
Example
He wore a gold chain around his neck.
B1 adjective /ˈsoʊ kɔːld/

so-called

Meaning
referred to as or known by a particular name or title, often misleadingly
Example
The so-called expert couldn't answer the question.
B1 verb /bliːd/

bleed

Meaning
to lose blood from the body, especially due to injury
Example
She began to bleed from the cut on her arm.