frustrating
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B1 adjective /ˈfrʌstreɪtɪŋ/

frustrating

Meaning
causing annoyance or dissatisfaction
Example
The slow internet connection was really frustrating.
A2 noun /brɛθ/

breath

Meaning
The air taken into or expelled from the lungs during breathing.
Example
He took a deep breath before speaking.
C2 adjective /ˌnɒndɪˈskrɪpt/

nondescript

Meaning
Lacking distinctive or interesting features; dull and unremarkable.
Example
He lives in a nondescript apartment building on the edge of town.
C1 adjective /ˈdjuːtɪfəl/

Dutiful

Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
C1 adjective /ˈtækt.fəl/

Tactful

Meaning
showing skill and sensitivity in dealing with others or difficult situations
Example
He gave a tactful response to avoid hurting her feelings.
B2 adjective /ˈmjuːtʃuəl/

Mutual

Meaning
shared by two or more parties; reciprocal
Example
They have a mutual respect for each other.
C2 adjective /vɪˈtjuːpərətɪv/

vituperative

Meaning
Characterized by abusive or harsh language.
Example
The teacher’s vituperative remarks left the students in tears.
C2 verb /ˈtʃeɪ.sən/

chasten

Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
B2 noun /ˈrɛlɪvənsi/

relevancy

Meaning
the quality of being closely connected or appropriate
Example
The professor questioned the relevancy of the example to the topic.
C2 adjective /ˈtriːzənəbl/

treasonable

Meaning
Relating to or involving the crime of treason.
Example
The general was accused of treasonable conduct.
B2 noun ˈpærəˌlɛlz

parallels

Meaning
Similarities or comparisons between two different things or situations
Example
There are parallels between Japan's aging issues and Bangladesh's situation.
C1 noun/adjective /kənˈfɛdərət/

confederate

Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
B1 adverb /ˈleɪt.li/

Lately

Meaning
recently; in the recent past; not long ago
Example
I haven't seen him lately, but I heard he got a new job.
C2 noun /ˌlaɪ.pəˈdʒen.ɪ.sɪs/

lipogenesis

Meaning
The metabolic process of fat synthesis where excess carbohydrates are converted into fatty acids and stored as triglycerides.
Example
Excess carbohydrate intake promotes lipogenesis and fat storage.
B2 noun /ˈlɪtə(r)/

liter

Meaning
a metric unit of volume equal to one cubic decimeter
Example
The recipe calls for two liters of water.
B1 adjective /ˌʌnˈpeɪd/

Unpaid

Meaning
not paid for; without payment or salary
Example
She worked as an unpaid intern for six months.
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
C1 verb /ɪˈkweɪt/

equate

Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
B2 noun /ˈnɪk.neɪm/

Nickname

Meaning
a familiar or humorous name given to a person instead of their real name
Example
His nickname is 'Tiger' because he's so brave.
A2 verb tʃeɪs

chase

Meaning
To pursue in order to catch or overtake; to follow rapidly or eagerly
Example
Don't chase two rabbits at once.
B2 noun /ˈsɛm.ɪ.nɑːr/

seminar

Meaning
A meeting for discussion or training, especially in an academic setting.
Example
The professor invited all students to attend the seminar on climate change.
A2 verb /nɜːrs/

nurse

Meaning
to care for someone who is sick or injured; to feed a baby
Example
She nursed her sick mother back to health.
B1 noun /ɪkˈspens/

Expense

Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
C1 noun /ˌtrɛpɪˈdeɪʃən/

trepidation

Meaning
a feeling of fear or anxiety about something that may happen
Example
She opened the letter with some trepidation.
A2 adjective/noun /ˈaɪrɪʃ/

irish

Meaning
relating to Ireland, its people, or its language
Example
The Irish countryside is very beautiful.
A2 noun /ˈɪntəvjuː/

interview

Meaning
A meeting of people face to face, especially for consultation.
Example
The interview was conducted in a calm and professional manner.
A2 adverb /ˈseɪf.li/

Safely

Meaning
in a safe manner; without danger or risk
Example
Drive safely on the icy road.
C2 noun /ˌænəlˈdʒiːziə/

analgesia

Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
C2 adjective /ləˈsɪviəs/

lascivious

Meaning
showing an overt and often offensive sexual desire
Example
The lascivious remarks made everyone uncomfortable.
C2 noun /ˈlæsɪtjuːd/

lassitude

Meaning
a state of physical or mental weariness; lack of energy
Example
After the long hike, a feeling of lassitude swept over the group.
C2 adjective /ˌdɛlɪˈkwɛsənt/

deliquescent

Meaning
tending to become liquid by absorbing moisture from the air
Example
Sugar is not deliquescent, but salt can be.
C1 verb /məˈlɛst/

molest

Meaning
to assault or abuse someone, especially in a sexual or physical way
Example
The criminal was arrested for attempting to molest a child.
C1 adjective /ˈretʃɪd/

Wretched

Meaning
very unhappy; miserable; of poor quality
Example
The refugees lived in wretched conditions.
B2 noun /ˌklærɪfɪˈkeɪʃən/

clarification

Meaning
The action of making a statement or situation less confused and more clearly comprehensible.
Example
The manager requested clarification on the project details.
B2 noun ˈfjuː.tʃɚ ˌdʒen.əˈreɪ.ʃənz

future generations

Meaning
People who have not yet been born, considered in terms of the environment or society they will inherit.
Example
Sustainable development ensures a better life for future generations.
B2 noun, verb /ˈblækmeɪl/

blackmail

Meaning
the act of demanding money or advantage by threatening to reveal secrets; to force someone to act by using such threats
Example
He tried to blackmail her by threatening to reveal the documents.
B2 adjective /ˌsuː.pəˈfɪʃ.əl/

superficial

Meaning
Existing or occurring at or on the surface; not thorough or deep.
Example
His understanding of the subject was rather superficial.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
C1 adjective /ˈen.vi.əs/

Envious

Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
B2 noun /rɪˈvaɪ.vəl/

Revival

Meaning
an improvement in the condition or strength of something; renewed interest in or attention to something
Example
There has been a revival of interest in traditional crafts.
B2 adverb /ɪkˈstɜrnəli/

externally

Meaning
in a way that relates to the outer surface or outside appearance
Example
The building appeared externally modern, but inside it was quite old-fashioned.
A1 noun /aɪs/

Ice

Meaning
water that has frozen and become solid
Example
The ice in my drink melted quickly in the hot weather.
C2 noun /mjuːz/

mews

Meaning
A row or street of houses or apartments that have been converted from stables or built to look like former stables.
Example
They rented a small flat in a quiet London mews.
C1 adjective /ˈɪnfəməs/

infamous

Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
C1 noun /ˈnɑːrsɪsɪst/

narcissist

Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
C1 noun /ˈmɑːrtər/

Martyr

Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
B2 noun /ˈlæn.tərn/

Lantern

Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
C2 verb /ˈærəˌɡeɪt/

arrogate

Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
B2 adjective ˈskɒl.ə.li

scholarly

Meaning
Having or showing great knowledge or learning; academic in approach or method.
Example
He wrote a scholarly article on ancient philosophy.
B1 noun /ɪˈdɪʃən/

edition

Meaning
a particular version or printing of a book, newspaper, or other publication
Example
The latest edition of the magazine sold out quickly.
C1 verb /ˈɒp.tɪ.maɪz/

optimize

Meaning
To make the best or most effective use of a situation, opportunity, or resource.
Example
The company is working to optimize its supply chain.
C2 noun /ˌfɑːrməkəˈpiːə/

pharmacopoeia

Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
A2 noun /prəˈdʌkʃən/

production

Meaning
the process of manufacturing or creating something
Example
The production of this film took over a year.
C1 noun /ˈdæmpər/

damper

Meaning
something that reduces or lessens the force, effect, or excitement
Example
The cancellation of the trip put a damper on their enthusiasm.
C1 noun /ˈstætʃər/

stature

Meaning
A person's natural height or their reputation and importance.
Example
Her intellectual stature made her a respected figure in academia.
B2 verb /ɪnˈfɜːr/

infer

Meaning
to conclude or deduce something from evidence and reasoning rather than from explicit statements
Example
From his silence, I inferred that he was not happy with the decision.
B2 noun /ˌɪnstəˈbɪləti/

instability

Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
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.
C2 adjective /haɪˈbɜːrnəl/

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
B2 noun /ɪnˈfek.ʃən/

Infection

Meaning
the process of infecting or the state of being infected; a disease caused by germs
Example
The doctor prescribed antibiotics to treat the bacterial infection in her throat.
B2 noun /ˈɔr.fən.ɪʒ/

Orphanage

Meaning
an institution for the care and education of children who have lost their parents
Example
The charity built a new orphanage for homeless children.
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
C1 noun ˈiː.θɒs

ethos

Meaning
The characteristic spirit of a culture, era, or community as manifested in its beliefs and aspirations.
Example
The company's ethos is built on innovation and integrity.
B2 adjective /ˈɑːrbɪˌtrɛri/

arbitrary

Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
B2 noun /ˈtɜːr.naʊt/

turnout

Meaning
the number of people who attend or participate in an event or activity
Example
The turnout at the rally was impressive, with thousands showing up.
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
C1 noun /ˈtriːzən/

Treason

Meaning
the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government
Example
He was accused of treason against the state.
C2 verb /ˈwɪn.oʊ/

winnow

Meaning
to remove the less desirable parts from a group; originally, to separate grain from chaff by blowing air
Example
The committee will winnow the list of applicants to ten finalists.
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
C2 verb /ɪˈfjuːz/

effuse

Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
C1 noun ˈwaɪldlaɪf ˈkɔːrɪdɔːrz

wildlife corridors

Meaning
Areas of habitat connecting wildlife populations separated by human activities or structures.
Example
Wildlife corridors connect fragmented habitats, enabling species migration.
C2 noun /ɪˌnʌn.siˈeɪ.ʃən/

enunciation

Meaning
The act of saying or pronouncing words clearly and distinctly.
Example
His enunciation was clear during the presentation.
C2 adjective /hərˈmɛtɪk/

hermetic

Meaning
Completely sealed, especially so that no air can enter or escape.
Example
The medicine was kept in a hermetic container.
C1 adjective ˌkɒn.ʃiˈen.ʃəs

conscientious

Meaning
Wishing to do what is right, especially to do one's work or duty well and thoroughly.
Example
A conscientious worker always delivers high-quality results.
B2 noun ˌel.ɪ.dʒəˈbɪl.ə.ti

eligibility

Meaning
The state of having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Eligibility criteria maintain fairness.
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
C1 noun /sɪˈkriː.ʃən/

Secretion

Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

Meaning
the state of being continuous or connected; consistency over time
Example
Maintaining continuity in leadership is essential for organizational stability.
C2 verb /ˈræm.ɪ.faɪ/

ramify

Meaning
to spread or branch out into divisions or subdivisions.
Example
The river ramifies into several smaller streams.
C2 noun /ˈstænʃən/

stanchion

Meaning
a strong upright bar or post used as support or to control movement
Example
The red rope was attached to the stanchions to guide the crowd.
B2 noun /ˈruːdnəs/

Rudeness

Meaning
the quality of being impolite, discourteous, or offensive in behavior or speech
Example
His rudeness shocked everyone at the dinner party.
B1 noun /kɑːrt/

Cart

Meaning
a wheeled vehicle for carrying goods; a shopping cart
Example
The farmer loaded hay onto his cart.
B2 noun /fəˈnɒmɪnən/

phenomenon

Meaning
an observable event, fact, or occurrence, often unusual or remarkable
Example
The Northern Lights are a natural phenomenon.
B2 noun /ˈmɑːrkɪtˌpleɪs/

marketplace

Meaning
a place where goods and services are bought and sold; an open area for trade
Example
The town's marketplace is crowded every Friday morning.
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 adverb /əˈsɪdʒuəsli/

assiduously

Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
C1 noun /məˈtɜːrnəti/

Maternity

Meaning
The state of being a mother; motherhood
Example
The hospital has an excellent maternity ward for new mothers.
C2 noun /ˈɛərəˌstæt/

aerostat

Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
C2 noun /ˈɡræn.juːl/

granule

Meaning
A small compact particle of a substance.
Example
Each granule of salt sparkled under the sunlight.
C1 verb məˈnɒp.ə.laɪz

monopolize

Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
C1 noun /poʊˈlær.ɪ.ti/

polarity

Meaning
the state of having two opposite or contradictory tendencies, opinions, or aspects
Example
The polarity between the two political parties is growing stronger.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
A2 noun /ˈheəkʌt/

haircut

Meaning
the act or style of cutting hair
Example
I got a haircut before the wedding.
C1 adjective /kɜːrt/

curt

Meaning
Rudely brief in speech or manner.
Example
His curt reply made everyone uncomfortable.
C1 verb /weɪv/

waive

Meaning
to refrain from insisting on or enforcing something, especially a right or claim
Example
She decided to waive her right to a lawyer.
C1 verb /ˈklæmbər/

clamber

Meaning
to climb with effort or difficulty, often using both hands and feet
Example
The children clambered over the rocks to reach the cave.
C2 adjective /ˈsɒmnələnt/

somnolent

Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
B1 adjective /ˈkɜːrli/

curly

Meaning
having curls or waves; shaped with bends or coils
Example
She has naturally curly hair.
C2 noun /ˈpɜːrsənɪdʒ/

personage

Meaning
an important or famous person
Example
He is considered a great personage in the world of literature.
C1 noun /ˈʃɜːrbət/

sherbet

Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
A1 verb/noun /dæns/

dance

Meaning
to move rhythmically to music, typically following a set sequence of steps
Example
They danced all night at the wedding.
C2 adjective /vəˈreɪʃəs/

veracious

Meaning
Truthful, honest; habitually speaking the truth.
Example
She gave a veracious account of what happened that day.
C2 adverb /ˈprɒksɪmətli/

proximately

Meaning
In a near or close manner; nearly.
Example
The village lies proximately to the river.
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
B2 noun ˈven.tʃərz

ventures

Meaning
Business enterprises or undertakings, especially risky ones.
Example
Luxury ventures in space attract wealthy clients.
B2 noun /ˈbækɪŋ/

Backing

Meaning
help or support; financial or material support
Example
The project received backing from several major investors.
C2 adjective /mɛnˈdeɪʃəs/

mendacious

Meaning
not telling the truth; lying
Example
The politician was known for his mendacious statements.
B2 noun /ˈprɛsɪdənt/

precedent

Meaning
An earlier event or decision that serves as a guide or example for future similar situations.
Example
The judge’s ruling set a new precedent for similar cases.
B2 noun /ˈɪnvənˌtɔːri/

inventory

Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
A2 verb /prɪˈtɛnd/

pretend

Meaning
To act as if something is true when it is not.
Example
The children pretended to be superheroes.
A1 noun /lɛɡ/

leg

Meaning
one of the limbs on which a person or animal walks and stands
Example
He injured his leg while playing football.
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
C2 noun /ˈæbɪs/

abbess

Meaning
the woman in charge of a convent of nuns
Example
The abbess welcomed the visitors to the convent.
B2 noun/adjective /ˈbʌmpər/

bumper

Meaning
A protective bar at the front or back of a vehicle; also used to describe something unusually large or successful.
Example
The farmer celebrated a bumper harvest this year.
B2 noun /ɡɪə(r)/

gear

Meaning
Equipment or apparatus for a particular purpose; also a toothed wheel in machinery.
Example
The climber packed all his gear before starting the journey.
C2 adjective /ˈklɛmənt/

clement

Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
B2 noun/verb /bʌst/

bust

Meaning
As a noun: A sculpture of a person's head, shoulders, and chest; As a verb: To break, smash, or arrest.
Example
The police busted the gang last night.
C1 noun /blæk plʌm/

Black plum

Meaning
a dark purple or black colored edible fruit with sweet and sour taste
Example
I picked some fresh black plums from the tree in our backyard.
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.