Custodian
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C1 noun /kʌˈstoʊ.di.ən/

Custodian

Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
C1 noun /əˈseɪlənt/

assailant

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

outgrowth

Meaning
something that grows out of something else; a natural development or result
Example
The new policy was an outgrowth of years of debate.
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
C1 verb /ˈɛnərˌdʒaɪz/

energize

Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
C1 noun /fəˈsɑːd/

facade

Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
C1 verb /ɪˈkweɪt/

equate

Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
C1 noun /ˈkɑr.nɪdʒ/

Carnage

Meaning
the killing of a large number of people; widespread slaughter
Example
The battlefield was filled with carnage after the brutal war.
C1 verb, noun /mɛʃ/

mesh

Meaning
To fit or work together properly; or a material made of interlaced threads.
Example
The two gears mesh perfectly to keep the machine running smoothly.
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.
C1 noun /ɪnˈtaɪərəti/

entirety

Meaning
the whole of something; the complete form
Example
He watched the movie in its entirety.
C1 adjective kənˈkɝː.ənt

concurrent

Meaning
Existing, happening, or done at the same time.
Example
The conference had concurrent sessions on various topics.
C1 adjective /ɪnˈsɛnsəbl/

insensible

Meaning
Unconscious; unaware of or indifferent to something.
Example
He was insensible to the cold as he lay in the snow.
C1 noun /ˈherən/

Heron

Meaning
large wading bird with long legs and neck that feeds on fish
Example
The heron stood motionless by the water's edge, waiting for fish.
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
C1 adjective /ɪnˈveɪsɪv/

invasive

Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
C1 adjective dɒɡˈmæt.ɪk

dogmatic

Meaning
Being inclined to lay down principles as incontrovertibly true; characterized by arrogant assertion of unproven principles.
Example
His dogmatic approach to politics made discussions difficult.
C1 noun ˈɪn.fər.əns

inference

Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
C1 verb /ˌriːəˈdʒʌst/

readjust

Meaning
To change or move something again in order to achieve a better fit, condition, or balance.
Example
He readjusted the chair to make it more comfortable.
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
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.
C1 adjective /ˈtɪpsi/

tipsy

Meaning
slightly drunk
Example
She felt tipsy after just one glass of wine.
C1 noun, verb /ˈfrænʧaɪz/

franchise

Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
C1 noun /blɪs/

Bliss

Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
C1 adverb /ɪnˈdɛfɪnətli/

indefinitely

Meaning
for an unlimited or unspecified period of time
Example
The project has been postponed indefinitely.
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
C1 adjective /stiːpt/

steeped

Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
C1 verb /dɪˈfjuːz/

diffuse

Meaning
to spread over a wide area or among a large number of people
Example
The smell of fresh bread diffused through the entire house.
C1 adjective /ˈsnɒbɪʃ/

snobbish

Meaning
having or showing the attitude of people who think they are better than others
Example
She seemed snobbish because she avoided talking to the waiters.
C1 noun /ˈdʊr.i.ən/

Durian

Meaning
a large spiky tropical fruit known for its strong smell and creamy custard-like flesh
Example
Durian is known as the king of fruits in Southeast Asia despite its pungent odor.
C1 adjective /ˈdʒuː.bɪ.lənt/

jubilant

Meaning
feeling or expressing great happiness and joy
Example
The team was jubilant after winning the championship.
C1 noun, adjective /ˌpəʊstˈmɔːtəm/

postmortem

Meaning
An examination of a dead body to determine the cause of death.
Example
The doctor carried out a postmortem on the body.
C1 noun/verb /ˈprɛdɪkət/ (noun), /ˈprɛdɪkeɪt/ (verb)

predicate

Meaning
noun: the part of a sentence that tells something about the subject; verb: to base or establish something on a particular idea
Example
His theory is predicated on sound research.
C1 adjective /bɪˈnaɪn/

benign

Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
C1 adjective /trænsˈluːsənt/

translucent

Meaning
allowing light to pass through, but not clearly enough to see detailed images
Example
She placed the flower in a translucent vase.
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
C1 verb /ˈfɜːr.tɪ.laɪz/

fertilize

Meaning
to make soil or land more fertile by adding substances
Example
Farmers fertilize the fields to increase crop yield.
C1 noun /ˈpɪt.əns/

pittance

Meaning
a very small or inadequate amount of money
Example
She worked long hours for a mere pittance.
C1 noun /ˈnɔː.zi.ə/

Nausea

Meaning
a feeling of sickness with an inclination to vomit
Example
The motion of the boat caused severe nausea.
C1 noun /meər/

Mare

Meaning
an adult female horse
Example
The beautiful mare galloped across the meadow.
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
C1 verb /ˈbɪkər/

bicker

Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
C1 adjective /rɪˈpʌl.sɪv/

Repulsive

Meaning
extremely unpleasant; causing strong dislike or disgust
Example
The smell of rotten eggs was absolutely repulsive.
C1 adjective /ˈʃɪp.ʃeɪp/

Shipshape

Meaning
neat and tidy; in good order; well-organized
Example
Everything was shipshape before the inspection.
C1 verb /kənˈsaɪn/

consign

Meaning
to deliver something to a person or place, often for selling or safekeeping
Example
He consigned the package to the shipping company.
C1 verb /ˈstaɪfəld/

stifled

Meaning
to suppress, hold back, or prevent something from happening
Example
He stifled a laugh during the serious meeting.
C1 verb /kəmˈpjuːt/

compute

Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
C1 noun /kæpˈtɪv.ɪ.ti/

Captivity

Meaning
the condition of being imprisoned or confined
Example
After years of captivity, the prisoner was finally released.
C1 noun ˈsæŋktɪti

sanctity

Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
C1 adjective /ɪnˈɡreɪnd/

engrained

Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
C1 noun /ˈkælɪbər/

caliber

Meaning
The quality of someone's ability or character; the internal diameter of a gun barrel.
Example
The university attracts students of high caliber.
C1 noun /ˈɔr.i.ənt/

Orient

Meaning
the East, especially countries of eastern Asia; to determine one's position or direction
Example
Many spices come from the Orient.
C1 verb /ˈdʒɜːrmɪneɪt/

germinate

Meaning
To begin to grow or develop, especially referring to a seed.
Example
The seeds germinate quickly in moist soil.
C1 noun /ˈmæksɪm/

maxim

Meaning
a short, well-known statement expressing a general truth or rule of conduct
Example
Honesty is a timeless maxim valued in every culture.
C1 noun /tɒŋ/

tong

Meaning
a tool with two movable arms used to pick up and hold objects
Example
He used the tong to pick up the hot coal.
C1 adjective /ˈfɛrəl/

feral

Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
C1 noun /ˈmuːdi.nəs/

moodiness

Meaning
The state of being frequently subject to changes in mood, especially irritability or sadness.
Example
Her moodiness made it difficult to predict how she would react.
C1 verb /həˈluːsɪneɪt/

hallucinate

Meaning
to see, hear, or sense things that are not actually present, often due to illness or drugs
Example
After taking the medicine, he began to hallucinate strange shapes.
C1 noun /fiːt/

feat

Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
C1 adjective /ˈrʌs.tɪk/

Rustic

Meaning
simple and unsophisticated; relating to rural areas
Example
The rustic cottage had wooden beams and a thatched roof.
C1 noun /ˈtrɪŋkɪt/

trinket

Meaning
a small ornament or piece of jewelry that is not expensive
Example
She bought a little trinket from the beach market as a souvenir.
C1 adjective ˌɪn.tə.dʒen.əˈreɪ.ʃən.əl

intergenerational

Meaning
Existing or occurring between different generations of a family.
Example
Intergenerational wisdom ensures cultural continuity.
C1 adjective ˌɡæs.troʊ.ɪnˈtes.tɪ.nəl

gastrointestinal

Meaning
Relating to the stomach and intestines.
Example
Spicy food can cause gastrointestinal issues.
C1 adjective ˈbɜːdʒənɪŋ

burgeoning

Meaning
Beginning to grow or increase rapidly; flourishing.
Example
The burgeoning tech industry has attracted many investors.
C1 noun /daɪˈvɜː.dʒəns/

divergence

Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
C1 noun /ˈθʌroʊˌfɛr/

thoroughfare

Meaning
a main road or public highway that goes through a place
Example
The new mall is located along the main thoroughfare.
C1 verb /rænt/

rant

Meaning
to speak or shout in an angry, uncontrolled way
Example
He ranted about the unfair treatment at work.
C1 adjective /ˈɪɡ.ni.əs/

igneous

Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
C1 noun

Kin

C1 noun /ˈθɪk.ɪt/

Thicket

Meaning
a dense group of bushes or trees; a thick growth of shrubs
Example
The rabbit disappeared into the thicket.
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
C1 verb, noun /spraʊt/

sprout

Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
C1 noun /ˈsɪləbəl/

syllable

Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
C1 adjective /ˈfræɡməntɪd/

fragmented

Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
C1 verb /daɪˈleɪt/

dilate

Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
C1 noun /ˈfoʊliɪdʒ/

foliage

Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
C1 noun prɪˈdɪk.ə.mənt

predicament

Meaning
A difficult, unpleasant, or embarrassing situation.
Example
Losing both jobs put him in a financial predicament.
C1 adjective /kəˈrəʊsɪv/

corrosive

Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
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.
C1 verb /bruːd/

brood

Meaning
to think deeply about something that makes one unhappy; also, a group of young birds hatched at the same time
Example
He sat alone, brooding over his failures.
C1 noun ˈfeɪz.aʊt

phase-out

Meaning
A gradual reduction and eventual elimination of something.
Example
A phase-out of fossil fuels was agreed upon.
C1 noun /pəˈfjuː.mər.i/

perfumery

Meaning
the art, business, or products of making perfumes
Example
She works in a perfumery that creates luxury scents.
C1 noun /ˈpɛdlər/

peddler

Meaning
a person who sells goods, often traveling from place to place
Example
The peddler walked through the village selling fresh fruits.
C1 noun /ˈduːmz.deɪ/

Doomsday

Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
C1 verb /ˈæn.ə.teɪt/

annotate

Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
C1 noun/verb /ˈskɜːrmɪʃ/

skirmish

Meaning
a small or brief fight between groups of soldiers; to engage in such a fight
Example
The soldiers got into a skirmish near the border.
C1 noun /ˈlaɪm.laɪt/

Limelight

Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
C1 verb /doʊt/

dote

Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
C1 noun ˈfæl.ə.si

fallacy

Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
C1 verb /ɪˈdʒɛkt/

eject

Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
C1 noun sælˈveɪʃən

salvation

Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
C1 verb /ɪˈluːmɪneɪt/

illuminate

Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
C1 noun /saɪˈkoʊsɪs/

psychosis

Meaning
A severe mental disorder in which thought and emotions are impaired, leading to a loss of contact with reality.
Example
The patient was diagnosed with psychosis after experiencing hallucinations.
C1 verb /ˈtɒpl/

topple

Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
C1 verb /rɪɡ/

rig

Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
C1 noun /ɔːˈdæs.ə.ti/

audacity

Meaning
The willingness to take bold risks; boldness or fearlessness.
Example
His audacity to question authority was admirable.
C1 noun /ˈkæviˌæt/

caveat

Meaning
a warning or condition to be considered before taking action
Example
The proposal was accepted with one caveat.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
C1 noun /ˈmoʊ.tər ˈlɔː.ri/

Motor lorry

Meaning
a large motor vehicle used for transporting goods; truck
Example
The motor lorry delivered fresh vegetables to the market.
C1 adjective /ˈmɜːki/

murky

Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
C1 adjective /skəˈlæstɪk/

scholastic

Meaning
Relating to schools, education, or academic learning.
Example
The school organizes scholastic competitions every year.
C1 adjective/verb /ˈprɒstreɪt/

prostrate

Meaning
lying stretched out on the ground with one's face downward, often as a sign of submission or exhaustion
Example
He lay prostrate on the ground after the long battle.
C1 noun /ˌmɪsˈkɒn.dʌkt/

Misconduct

Meaning
Unacceptable or improper behavior, especially by a professional person
Example
The officer was dismissed for professional misconduct.
C1 noun /ˈmɒnəˌθiːɪzəm/

monotheism

Meaning
The belief in the existence of only one God.
Example
Islam and Christianity are religions based on monotheism.
C1 noun /kəmˈpəʊ.ʒər/

composure

Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
C1 adjective /ɪmˈprɒbəbl/

improbable

Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
C1 adjective /fərˈlɔːrn/

forlorn

Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
C1 noun /vərˈnækjələr/

vernacular

Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.