brook
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C1 noun/verb /brʊk/

brook

Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
C1 adjective ˌnɒnˈvɜːr.bəl

nonverbal

Meaning
Communication using body language, facial expressions, or gestures instead of words
Example
Nonverbal cues play a crucial role in effective communication.
C1 adjective /ˈɒptɪkəl/

optical

Meaning
related to or used in seeing or sight
Example
The optical illusion fooled everyone at the exhibition.
C1 verb /sɪˈkriːt/

secrete

Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
C1 adjective /məˈtɜːrnəl/

Maternal

Meaning
relating to a mother; motherly
Example
She showed maternal care towards the orphan child.
C1 verb /ɪnˈtʃænt/

enchant

Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
C1 adjective /ˈmeʒ.ər.ə.bəl/

Measurable

Meaning
able to be measured; quantifiable
Example
The project's success was measurable by increased sales.
C1 adjective /ˈhær.oʊ.ɪŋ/

harrowing

Meaning
extremely distressing or upsetting
Example
It was a harrowing experience to witness the accident.
C1 verb /prɪˈzaɪd/

preside

Meaning
to be in charge of a meeting, event, or organization
Example
She will preside over the meeting tomorrow.
C1 noun /kəˈθɑːrsɪs/

catharsis

Meaning
The process of releasing strong emotions, providing relief.
Example
Writing in her diary was a form of catharsis for her.
C1 adjective /ˈvendʒ.fəl/

Vengeful

Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
C1 noun/verb /reɪn/

rein

Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
C1 verb /ˌriːˈmɒdəl/

remodel

Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
C1 noun /ˈlænd.slaɪd/

Landslide

Meaning
a collapse of a mass of earth or rock from a mountain or cliff; an overwhelming victory in an election
Example
Heavy rains triggered a massive landslide that blocked the mountain highway.
C1 noun /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
C1 verb /ʃɜːrk/

shirk

Meaning
to avoid or neglect a duty or responsibility
Example
He always tries to shirk his responsibilities at work.
C1 noun /ˈpɪl.fər.ɪdʒ/

Pilferage

Meaning
the theft of small amounts or items, especially from one's workplace
Example
The company installed cameras to prevent pilferage.
C1 adjective /ʌnˈtɛnəbl/

untenable

Meaning
not able to be maintained or defended against attack or objection
Example
The politician resigned when his position became untenable.
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
C1 noun /oʊˈeɪ.sɪs/

Oasis

Meaning
a fertile spot in a desert where water is found; a pleasant refuge
Example
The travelers found an oasis after days in the desert.
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 noun /ˈhed.weɪ/

Headway

Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
C1 noun /trænsˈɡrɛʃən/

transgression

Meaning
an act that goes against a law, rule, or code of conduct; a violation or sin
Example
The court forgave his first transgression but warned him not to repeat it.
C1 noun /ˈkriː.dəns/

credence

Meaning
belief in or acceptance of something as true
Example
The witness gave credence to the defendant's alibi.
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
C1 noun /ˌpriːməˈnɪʃən/ or /ˌprɛm-/

premonition

Meaning
a strong feeling that something is about to happen, often something negative
Example
She had a premonition of danger before the trip.
C1 noun /weɪst tʃeɪn/

Waist chain

Meaning
a decorative chain worn around the waist as jewelry or ornamentation
Example
The traditional waist chain complemented her ethnic outfit perfectly.
C1 noun /ˈtʃʌk.əl/

Chuckle

Meaning
a quiet or suppressed laugh; to laugh quietly or with amusement
Example
He gave a soft chuckle when he heard the funny joke.
C1 adjective /ˈtɜːrʃieri/

tertiary

Meaning
third in order, rank, or level
Example
He is pursuing his tertiary education at the university.
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
C1 noun /ˈdiːviəns/

deviance

Meaning
Behavior that differs from accepted social or moral standards.
Example
The book studies deviance in urban youth culture.
C1 noun/verb /ˈætrəfi/

atrophy

Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
C1 noun /skraɪb/

scribe

Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
C1 noun /ˈædʒʌŋkt/

adjunct

Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
C1 noun /ˈʌp.tɜːn/

upturn

Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
C1 noun /vɪˈvæsɪti/

vivacity

Meaning
The quality of being lively, animated, and full of energy.
Example
The child’s vivacity brightened the entire room.
C1 verb /ˈbəʊl.stər/

bolster

Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
C1 noun /ˈseɪɑːns/

seance

Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
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 /ˈɡɑː.nɪʃ/

garnish

Meaning
To decorate food with small items for added flavor or visual appeal.
Example
She garnished the dish with fresh coriander leaves.
C1 noun /ˈpɛdəstəl/

pedestal

Meaning
the base or support on which a statue or object stands
Example
The statue was placed on a marble pedestal.
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
C1 noun ˌɔːɡ.menˈteɪ.ʃən

augmentation

Meaning
Increasing quantity, power or performance.
Example
The company invested in the augmentation of its workforce.
C1 verb /daɪˈluːt/

dilute

Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
C1 noun /meɪl treɪn/

Mail train

Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
C1 adjective ˈɒk.sɪ.də.tɪv

oxidative

Meaning
Related to or caused by oxidation, especially cellular damage from free radicals.
Example
Excess stress can lead to oxidative damage in cells.
C1 noun prɪˈdɪk.ə.mənt

predicament

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

reciprocate

Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
C1 adjective /ɪmˈpæsɪv/

impassive

Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
C1 noun /truːp/

troupe

Meaning
A group of dancers, actors, or performers who work together.
Example
The theater troupe performed brilliantly on stage.
C1 verb /kʌl/

cull

Meaning
to select or remove from a larger group, often to reduce numbers
Example
The farmers decided to cull the sick animals from the herd.
C1 noun /stɪˈlɛtoʊ/

stiletto

Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
C1 noun ˌskeɪ.ləˈbɪl.ə.ti

scalability

Meaning
The capacity to be changed in size or scale; the ability of a system to handle a growing amount of work.
Example
The new software offers high scalability for large enterprises.
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
C1 noun /ˈtʃaɪ.nə.weər/

China-ware

Meaning
dishes, plates, cups, and other tableware made of porcelain or fine ceramic
Example
The expensive china-ware was displayed in the cabinet.
C1 adjective /ɪnˈdʒʊəriəs/

injurious

Meaning
Causing or likely to cause harm or damage.
Example
Smoking is injurious to health.
C1 noun /liːtʃ/

Leech

Meaning
an aquatic or terrestrial annelid worm with suckers at both ends; metaphorically, a person who extorts profit from others
Example
The leech attached itself to his leg while swimming.
C1 adjective /ˌmer.ɪˈtɔː.ri.əs/

Meritorious

Meaning
deserving reward or praise; commendable; worthy of recognition
Example
His meritorious service to the community was recognized.
C1 verb /əˈkwɪt/

acquit

Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
C1 adjective /ˈɡruːəlɪŋ/

grueling

Meaning
Extremely tiring and demanding.
Example
The athletes faced a grueling training session.
C1 adjective /ˈsiːzənəbəl/

Seasonable

Meaning
occurring at the right time; appropriate for the season; timely
Example
The seasonable rain helped the farmers with their crops.
C1 noun /ˈdɛdlɒk/

deadlock

Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
C1 adjective /prəˈmɪskjuəs/

promiscuous

Meaning
Having or showing a casual and unselective approach, often used to describe indiscriminate sexual relationships.
Example
The novel depicts a character with a promiscuous lifestyle.
C1 adjective /əˈprɛs.ɪv/

Oppressive

Meaning
Harsh and authoritarian; overwhelming; causing distress; tyrannical;
Example
The oppressive heat made it difficult to work outside during the summer.
C1 noun /fɔːn/

Fawn

Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
C1 noun, adjective /ˈrɛvərənd/

reverend

Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
C1 adjective /pəˈrɪfərəl/

peripheral

Meaning
Relating to or situated on the edge or outer parts of something.
Example
The town is located on the peripheral area of the city.
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun /ˈstɒpɪdʒ/

stoppage

Meaning
The act of stopping or ceasing; a halt in operation or activity
Example
The sudden stoppage of the train caused delays for all passengers.
C1 adjective /ˌkɒndɪˈsɛndɪŋ/

condescending

Meaning
having or showing an attitude of patronizing superiority
Example
Her condescending tone upset her colleagues.
C1 adjective ˈsek.tər spəˈsɪf.ɪk

sector-specific

Meaning
Relating to or designed for a particular sector or industry.
Example
Sector-specific policies attract targeted investments.
C1 noun /ˈbæləd/

ballad

Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
C1 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
C1 adjective /ˈlɔː.ləs/

Lawless

Meaning
without law; anarchic; unruly; criminal
Example
The frontier town was known for its lawless behavior and chaos.
C1 adjective /kɑːrˈnɪv.ər.əs/

Carnivorous

Meaning
feeding on other animals; meat-eating
Example
Lions are carnivorous animals that hunt other animals for food.
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
C1 noun /əˈnɒməli/

anomaly

Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
C1 noun /ˈen.mə.ti/

Enmity

Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
C1 verb /ˈkɒnsɔːrt/

consort

Meaning
To associate with someone, typically with disapproval; also, a spouse of a reigning monarch.
Example
He was criticized for consorting with criminals.
C1 adjective /ˈbrɪtl/

brittle

Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
C1 adjective /ˈreɪ.kɪʃ/

Rakish

Meaning
having a dashing, jaunty, or slightly disreputable quality or appearance
Example
He wore his hat at a rakish angle that gave him a charming appearance.
C1 verb /rɪɡ/

rig

Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
C1 noun kəˈmjuːnɪti ˈsɜːrvɪs aɪˈdiːəlz

community service ideals

Meaning
Principles and standards of serving the community for social good.
Example
Community service ideals must be taught in schools.
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
C1 noun /sɛˈseɪʃən/

cessation

Meaning
The fact or process of ending or being brought to an end.
Example
There was a temporary cessation of hostilities.
C1 noun /ˈsɒnɪt/

sonnet

Meaning
A poem of 14 lines using formal rhyme schemes, often about love.
Example
Shakespeare wrote many famous sonnets about love and beauty.
C1 verb /hɔːrd/

hoard

Meaning
to accumulate and hide away a large supply of something, often secretly
Example
During the crisis, many people began to hoard food and water.
C1 adjective /ˈtɛmpərəl/

temporal

Meaning
Relating to worldly affairs or to time rather than spiritual matters.
Example
The monk gave up his temporal possessions to live a simple life.
C1 verb /dɪsˈkʌlər/

discolor

Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
C1 noun /ˈɑd.ɪ.ti/

Oddity

Meaning
something that is strange or unusual; a peculiar trait
Example
His habit of sleeping standing up was considered an oddity.
C1 adjective /ˈpəʊtəbl/

potable

Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
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.
C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
C1 adjective /əˈluːf/

aloof

Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
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 verb /ɪˈspaʊz/

espouse

Meaning
To adopt or support a cause, belief, or way of life.
Example
She espoused the philosophy of nonviolence throughout her career.
C1 verb /sɪft/

sift

Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
C1 noun /ˈmaɪkrəʊˌklaɪmæt/

microclimate

Meaning
The climate of a small, specific area that may differ from the general climate of the surrounding region, often influenced by local factors like terrain, vegetation, or buildings.
Example
A microclimate can have a significant impact on plant growth.
C1 noun /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

Meaning
a consequence of an action or event, often complex or unwelcome.
Example
The new law has serious social ramifications.
C1 adjective /ˌsaɪkoʊsəˈmætɪk/

psychosomatic

Meaning
Relating to a physical illness or condition caused or aggravated by mental factors such as stress.
Example
Her stomach pain was diagnosed as psychosomatic, linked to stress.
C1 adverb /ˈæmpli/

amply

Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
C1 noun, adjective, verb /ʃæm/

sham

Meaning
something that is not what it appears to be; a false or fake thing; to pretend
Example
The deal turned out to be a sham.
C1 verb /ˈmʌmbəl/

mumble

Meaning
To speak quietly and not clearly so that words are difficult to understand.
Example
He mumbled an apology before leaving.
C1 adjective /ˈɔːrθədɑːks/

orthodox

Meaning
conforming to traditional beliefs or practices
Example
He comes from a very orthodox family.
C1 verb /wɪlt/

wilt

Meaning
To become limp, weak, or drooping, often due to lack of water or energy.
Example
The flowers wilted in the heat of the sun.
C1 verb /ˈmɑːrʃəl/

marshal

Meaning
To arrange or organize people, events, or resources in an orderly way.
Example
The teacher marshaled the students for the field trip.
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
C1 noun dɪˈtɜː.mɪ.nənt

determinant

Meaning
A factor that decisively affects the nature or outcome of something.
Example
Education is a key determinant of success.
C1 adjective /pəˈnɪnsjələr/

peninsular

Meaning
Relating to or resembling a peninsula.
Example
The peninsular region is surrounded by water on three sides.
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
C1 adjective /ˈkrɪm.zən/

Crimson

Meaning
a deep purplish-red color
Example
The crimson sunset painted the sky with beautiful shades.
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.