infallible
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C1 adjective /ɪnˈfæləbl̩/

infallible

Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
C1 noun /əˈseɪlənt/

assailant

Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
C1 adjective /skænt/

Scant

Meaning
barely sufficient; inadequate; small in amount
Example
There was scant evidence to support his claim.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
C1 noun/verb /stæmˈpiːd/

stampede

Meaning
A sudden, uncontrolled rush of people or animals; to cause a mass movement.
Example
The loud noise caused a stampede of the crowd.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
C2 noun /fləˈtɪlə/

flotilla

Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
A2 adjective /ʌnˈhæp.i/

Unhappy

Meaning
not happy; feeling sad or displeased; unfortunate or undesirable
Example
He was unhappy with the results of his exam.
C1 noun /ˈpriː.tekst/

Pretext

Meaning
a reason given in justification of a course of action that is not the real reason
Example
He used illness as a pretext to avoid the meeting.
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.
B2 noun /səbˈmɪʃən/

submission

Meaning
the act of yielding to authority or presenting something for consideration
Example
Her submission of the report was appreciated by the manager.
C2 adjective /ˈdjuːtiəbl/

dutiable

Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
C2 verb /ˈdʒæbər/

jabber

Meaning
To talk quickly and excitedly but with little sense.
Example
The children jabbered happily after the show.
C2 noun /ˈpær.əkˌsɪz.əm/

paroxysm

Meaning
A sudden, violent outburst of emotion or activity.
Example
She was seized by a paroxysm of laughter.
B2 noun /ˌɡriːn ˈen.ə.dʒi/

green energy

Meaning
Energy derived from renewable sources that have minimal environmental impact.
Example
Green energy reduces environmental harm.
B1 noun /stæf/

staff

Meaning
a group of employees working together in an organization
Example
The staff at the hospital are very helpful.
C2 adjective /ɪɡˈzɔːstɪbəl/

exhaustible

Meaning
able to be used up completely; not infinite
Example
Coal and oil are exhaustible resources.
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
C1 noun /ˈdʒuː.və.naɪl/

Juvenile

Meaning
a young person below the age of adult criminal responsibility; relating to young people
Example
The juvenile court handles cases involving young offenders under eighteen.
A1 adjective /raʊnd/

round

Meaning
having a circular shape; shaped like a sphere or disk
Example
The table was round and had a smooth surface.
C2 adjective /rɪˈfrɪndʒənt/

refringent

Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
A1 verb /kɔːl/

call

Meaning
to say something loudly; to telephone someone; to name
Example
Please call me when you arrive home.
B1 adjective ɪˈfek.tɪv

effective

Meaning
Successful in producing a desired or intended result; having the power to influence or produce a result.
Example
Effective policies drive organizational success.
C1 adjective /ˈbɔɪstərəs/

boisterous

Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
B2 verb /ˈsteɪ.bə.laɪz/

stabilize

Meaning
to make something steady, secure, or unlikely to change suddenly
Example
The government took measures to stabilize the economy.
C2 adjective /ˈfætʃuəs/

fatuous

Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
C2 noun /ˈplɛntɪtjuːd/

plentitude

Meaning
the condition of being full or abundant
Example
The garden offered a plentitude of flowers in spring.
C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
A1 adverb /tuː/

too

Meaning
to a higher degree than is desirable, permissible, or possible
Example
She is too tired to continue working.
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
C2 adverb /ˌpɛlˈmɛl/

pell-mell

Meaning
In a confused, rushed, or disorderly manner.
Example
The children ran pell-mell through the playground.
C1 noun /ˈdɪsənˌtɛri/

dysentery

Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
A2 verb (past tense / past participle) /əˈtræktɪd/

attracted

Meaning
felt interest or liking toward someone or something; was drawn by appeal or force
Example
She was attracted to the idea of studying abroad.
B2 adjective /bəˈtænɪkəl/

botanical

Meaning
relating to plants or plant life
Example
She works at the botanical garden.
C2 noun /ˈmuːn.biːm/

moonbeam

Meaning
A ray of light from the moon.
Example
A moonbeam lit up the quiet forest clearing.
C1 noun /læns/

Lance

Meaning
a long weapon with a sharp metal point, used by soldiers on horseback
Example
The knight charged forward with his lance ready.
A2 pronoun /ðəmˈsɛlvz/

themselves

Meaning
used to emphasize the subject of the sentence or to refer to the subject doing something to itself
Example
They fixed the problem themselves.
C1 noun /rentʃ/

Wrench

Meaning
a tool used for gripping and turning nuts, bolts, or pipes
Example
He used a wrench to tighten the bolt.
B1 noun /ˈlɛktʃərər/

lecturer

Meaning
a person who gives lectures, especially at a college or university
Example
The lecturer explained the theory with clear examples.
B2 adjective /ˈwʊd biː/

Would-be

Meaning
prospective; intending to be; aspiring
Example
The would-be actor practiced his lines every day.
C1 adjective /dɪsˈhɑːrtənd/

Disheartened

Meaning
discouraged; feeling dejected; losing hope or confidence
Example
She felt disheartened after failing the exam twice.
B2 verb /ɪkˈskluːd/

exclude

Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
B1 adjective /ˈdiːsənt/

decent

Meaning
conforming to standards of propriety, good taste, or morality
Example
He found a decent job after months of searching.
A1 noun /eɡ/

Egg

Meaning
an oval object laid by female birds, reptiles, fish, and insects, used as food
Example
I had scrambled eggs for breakfast this morning.
C1 verb /əˈvɛndʒ/

avenge

Meaning
to inflict harm in return for an injury or wrong done to oneself or another
Example
He vowed to avenge his brother's death.
A2 preposition /wɪðˈɪn/

within

Meaning
inside the limits of something, or as part of a particular space or time
Example
The keys are within the drawer.
C1 noun /dɪˈlɪriəm/

delirium

Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
B1 verb /dɪˈlɪvər/

deliver

Meaning
to bring or hand over something to the intended recipient
Example
The courier will deliver the package tomorrow.
B1 adverb /ˈrʌfli/

Roughly

Meaning
approximately; in a harsh or violent way
Example
The project will take roughly three months to complete.
B1 noun /ˈlaɪ.ər/

Liar

Meaning
a person who tells lies; someone who does not tell the truth
Example
Nobody trusts him because he is a liar.
C2 noun /ˌrɛprəˈbeɪʃən/

reprobation

Meaning
Strong disapproval or condemnation; rejection by God as beyond salvation.
Example
The teacher’s face showed clear reprobation at the student’s rude remark.
C1 verb /ˈkætəˌlaɪz/

catalyze

Meaning
To cause or accelerate a reaction or change.
Example
The new law catalyzed reforms across the sector.
B1 noun /kənˈvɛnʃən/

convention

Meaning
a widely accepted way of behaving or doing something; a formal meeting
Example
The annual writers' convention was held in Dhaka.
B2 adjective /sɪˈlek.tɪv/

Selective

Meaning
relating to or involving careful selection; choosy about what to accept
Example
The university has a selective admission process for new students.
C1 adjective, noun /əbˈzɔːrbənt/

absorbent

Meaning
able to soak up liquid, moisture, or energy easily; a material or substance that absorbs
Example
This towel is highly absorbent and dries quickly.
B1 noun /ˈreɪlˌroʊd/

railroad

Meaning
a track or system of tracks made of steel rails along which trains run
Example
The railroad connects the city to several nearby towns.
B1 noun /ˈɡræn(d)ˌdɔːtər/

granddaughter

Meaning
the daughter of one’s son or daughter
Example
Her granddaughter visits her every weekend.
A2 verb /pʊl/

pull

Meaning
to exert force to move something toward oneself; to drag or tug
Example
Please pull the door to open it.
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
C2 noun /əˈprəʊ.bri.əm/

opprobrium

Meaning
Harsh criticism or public disgrace.
Example
The scandal brought opprobrium on the politician.
B1 adverb /ˈkʌmftəbli/

Comfortably

Meaning
in a comfortable manner; without difficulty or effort; with ease
Example
She was sitting comfortably in her favorite chair.
B2 noun /kənˈdʒʌŋkʃən/

conjunction

Meaning
a word used to connect clauses or sentences, or to coordinate words
Example
The words 'and' and 'but' are common conjunctions.
B1 adjective /ˈæn.ju.əl/

annual

Meaning
happening once every year
Example
The company holds an annual meeting for all its shareholders.
B1 adjective /rɪˈdɪk.jə.ləs/

Ridiculous

Meaning
extremely silly or unreasonable; deserving or causing laughter
Example
The idea of building a house without tools is ridiculous.
C2 adjective /ˈdʌlsɪt/

dulcet

Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
A1 adjective /haɪ/

high

Meaning
At or to a great height; greater than normal in amount, degree, or intensity.
Example
The mountain peak is very high.
C2 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
C2 noun /ˌmɪn.ɪˈstreɪ.ʃən/

ministration

Meaning
The act of providing care, assistance, or religious service.
Example
She recovered thanks to the kind ministrations of the nurses.
B1 noun /dɪˈzɜːrts/ (noun: reward or punishment deserved)

deserts

Meaning
what someone deserves, especially punishment or reward
Example
He finally got his just deserts for cheating in the exam.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
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 adjective /ˈtrænziənt/

Transient

Meaning
lasting for only a short time; temporary
Example
The beauty of spring flowers is transient.
C1 verb /ˈdʒɒsl/

jostle

Meaning
to push, elbow, or bump against someone roughly, typically in a crowd
Example
The fans jostled each other to get closer to the stage.
B2 noun /ˈɡuːs.ber.i/

Gooseberry

Meaning
a small round green or red berry that grows on a thorny bush
Example
Gooseberries are rich in vitamin C and make excellent jams.
C1 adjective /ˈtɛn.ju.əs/

tenuous

Meaning
Very weak, thin, or slight; lacking a strong basis.
Example
The evidence against him is quite tenuous.
A2 noun /ˈnæpkɪn/

napkin

Meaning
a piece of cloth or paper used to wipe the mouth and hands while eating
Example
She placed a napkin on her lap before eating.
C1 noun /ˈfɔːreɪ/

foray

Meaning
A sudden short attack or attempt, especially into new activity or territory.
Example
The company made its first foray into the international market.
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
B2 verb /rɪˈzɑlv/

resolve

Meaning
to solve a problem; to decide firmly
Example
The manager resolves the conflict between employees.
A2 noun /dʒɪˈræf/

Giraffe

Meaning
a very tall African animal with a long neck and long legs
Example
The giraffe stretched its neck to reach the leaves on the tall tree.
C2 adjective /ɔːrˈθɑːɡənl/

orthogonal

Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
B1 adjective /kəˈlɛktɪd/

collected

Meaning
calm and in control of oneself
Example
She remained calm and collected during the crisis.
A1 noun /sʌn/

Sun

Meaning
the star around which the earth orbits; the source of light and heat for planets
Example
The sun rises in the east and sets in the west.
B2 noun ˈtrækɪŋ ˈprɒɡrɛs

tracking progress

Meaning
The process of monitoring and evaluating advancement towards goals or objectives.
Example
Regular tracking progress helps in achieving long-term goals.
C1 adjective /ˌpæθəˈlɑːdʒɪkəl/

pathological

Meaning
Relating to disease; extreme or obsessive in a way that is abnormal.
Example
He has a pathological fear of failure.
A2 noun

Kite

B2 verb /ˈkæt.ɪ.ɡə.raɪzd/

categorized

Meaning
Placed in a particular class or group.
Example
The city was categorized as highly polluted.
A2 noun /dɪˈlɪv.ə.ri/

Delivery

Meaning
the action of delivering letters, parcels, or goods; the process of giving birth
Example
The delivery of the package was delayed due to bad weather conditions.
A2 adjective /ˈmuːvɪŋ/

moving

Meaning
causing strong feelings, especially of sympathy or sadness
Example
Her speech was so moving that everyone cried.
B2 adjective /rɪˈstrɪk.tɪd/

Restricted

Meaning
limited or controlled; subject to restrictions
Example
Access to this area is restricted to authorized personnel only.
C1 adjective /ˈækʃənəbl̩/

actionable

Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
C2 noun /ˈkænə/

Canna

Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
B1 noun /ˈkɒnflɪkt/

conflict

Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
B2 verb /dɪˈnaʊns/

denounce

Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
C1 noun /ˈfaɪər.wɔːl/

firewall

Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
C1 adjective /ˈɒptɪk/

optic

Meaning
Relating to the eye or vision.
Example
The optic nerve carries signals from the eye to the brain.
C2 adjective /ˈlaɪðsəm/

lithesome

Meaning
gracefully flexible and supple
Example
Her lithesome figure allowed her to move like a ballerina.
B2 noun /ˈsiː.mən/

Seaman

Meaning
a person who works on a ship; sailor
Example
The experienced seaman navigated the ship through the storm.
B2 verb /ɡreɪz/

graze

Meaning
To feed on grass; to touch or scrape lightly while passing.
Example
The cows graze in the meadow every morning.
A2 noun /ˈdæm.ɪdʒ/

Damage

Meaning
physical harm caused to something; injury or harm that reduces value or usefulness
Example
The storm caused significant damage to the coastal buildings.
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
B2 adjective /ˈdɛntəl/

dental

Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
B2 adjective /ˈdʒuːsi/

juicy

Meaning
Full of juice; succulent; also used to describe something exciting or scandalous.
Example
The steak was so juicy that it melted in my mouth.
C1 adverb /ˈpiːs.miːl/

Piecemeal

Meaning
done or made gradually, one piece at a time; fragmentary; unsystematic
Example
The renovation was done piecemeal over several years due to budget constraints.
C2 verb /ɪˈvɪsəˌreɪt/

eviscerate

Meaning
to remove the internal organs of; to deprive of essential content
Example
The critics eviscerated the movie for its weak storyline.
C1 adjective /prɪˈsɪpɪtəs/

precipitous

Meaning
Extremely steep or sudden; done quickly without careful consideration.
Example
The hikers struggled to climb the precipitous slope.
A2 noun /ˈdʒuːəlri/

jewelry

Meaning
personal ornaments such as necklaces, rings, or bracelets that are typically made from precious metals and stones
Example
She wore gold jewelry at the wedding.
C1 noun/verb /ˈfʌrəʊ/

furrow

Meaning
A long narrow trench made in the ground by a plow; to make wrinkles or grooves.
Example
The farmer plowed furrows in the field.
C1 adjective /ˌmʌltɪˈfæsɪtɪd/

multifaceted

Meaning
Having many different aspects or features
Example
The multifaceted approach to the problem resulted in innovative solutions.
B2 verb /rɪˈvɜːrt/

revert

Meaning
to return to a previous state, condition, or practice
Example
The system will revert to its original settings after the update.
C2 noun /ˌbenɪˈdɪkʃən/

Benediction

Meaning
a blessing, especially a ceremonial one; an expression of good wishes
Example
The priest gave his benediction to the newlyweds.
B2 adverb /ˈæŋkʃəsli/

anxiously

Meaning
in a worried, nervous, or uneasy manner; with anxious anticipation
Example
She waited anxiously for the exam results.
A1 verb (past participle of 'bear'), adjective /bɔːrn/

born

Meaning
To come into life; brought into existence.
Example
He was born in Dhaka in 1995.
B2 noun /ˈves.əl/

vessel

Meaning
A ship or large boat.
Example
The vessel carried critical supplies.
A1 adjective, adverb /əˈloʊn/

alone

Meaning
having no one else present; on one's own
Example
She prefers to live alone in her apartment.
C2 noun /ˈpɜːrvjuː/

purview

Meaning
the scope or range of authority, responsibility, or knowledge
Example
The case does not fall within the purview of this court.
C2 adjective /saɪˈdɪəriəl/

sidereal

Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
B2 noun, verb /ræmp/

ramp

Meaning
a sloping surface joining two different levels; as a verb, to increase or rise sharply
Example
The car drove up the ramp into the parking garage.
C2 verb /ˌɪntərˈmɪt/

intermit

Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
C1 verb /əˈpɛnd/

append

Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
C1 noun sɪˈmɛntɪd ɡreɪv

cemented grave

Meaning
A grave that is constructed with cement for permanence.
Example
The cemented grave of the martyrs was seen near the river.