Alkali Act
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C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
C2 noun /poʊˈzɜːr/

poseur

Meaning
A person who pretends to be something they are not, often to impress others.
Example
Many considered him a poseur because he exaggerated his accomplishments.
C2 noun /əˈkjuːtnəs/

acuteness

Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
C2 noun /ˈbæs.tərd tiːk/

Bastard teak

Meaning
A flowering tree with bright orange-red flowers, also known as flame of the forest
Example
The bastard teak tree blooms with vibrant orange flowers in spring.
C2 adjective /ˌpaɪroʊˈtɛknɪk/

pyrotechnic

Meaning
Relating to fireworks or spectacular displays involving fire.
Example
The city celebrated with a grand pyrotechnic display on New Year's Eve.
C2 adjective ˈɛr.jʊ.daɪt

erudite

Meaning
Having or showing great knowledge or learning; scholarly and intellectual.
Example
The professor's erudite lecture fascinated the students.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
C2 adjective /səˈmætɪk/

somatic

Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
C2 noun /ˈbɜːrsər/

bursar

Meaning
An official in a school or college responsible for financial affairs.
Example
The bursar approved the budget for the new library.
C2 noun /ˌpɜːrtərˈbeɪʃn/

perturbation

Meaning
A state of anxiety, disturbance, or disorder.
Example
The announcement caused a perturbation in the financial markets.
C2 noun /ˌpliːnɪpəˈtɛnʃəri/

plenipotentiary

Meaning
a person invested with full power to act on behalf of another, especially in diplomacy
Example
The ambassador was a plenipotentiary sent to negotiate the treaty.
C2 noun /ˈmɛtəl/

mettle

Meaning
A person's ability to cope well with difficulties or to face demanding situations with courage.
Example
The young athlete showed his mettle in the final match.
C2 noun əˌdʌl.təˈreɪ.ʃən

adulteration

Meaning
The action of making something poorer in quality by the addition of another substance.
Example
Adulteration of food is a serious health risk.
C2 noun /pɪˈnɒlədʒi/

penology

Meaning
The study of prison management and criminal rehabilitation.
Example
He decided to specialize in penology to help improve the prison system.
C2 noun /ˈpɒtˌbɔɪlə/

potboiler

Meaning
a book, play, or film produced quickly to make money rather than for artistic value
Example
The novel was dismissed by critics as a mere potboiler.
C2 adjective /ˈslʌvənli/

slovenly

Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
C2 noun /ˈæntiˌkraɪst/

antichrist

Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
C2 verb /rɛnd/

rend

Meaning
to tear something apart violently or forcefully
Example
The explosion rent the air with a deafening noise.
C2 adjective /ˈʌndjʊləs/

undulous

Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
C2 noun /ˈdʒæz.mɪn/

Jesmine

Meaning
a climbing shrub with fragrant white or yellow flowers
Example
The jasmine flowers filled the garden with their sweet fragrance.
C2 noun /ˈmæl.kənˌtɛnt/

malcontent

Meaning
A person who is dissatisfied or rebellious; one who is not content.
Example
The malcontent voiced his grievances against the government.
C2 noun /ˈpɔl.zi/

Palsy

Meaning
paralysis, especially that which is accompanied by involuntary tremors; loss of muscle control
Example
The elderly man suffered from palsy in his hands.
C2 adjective /ʌkˈsɔːriəs/

uxorious

Meaning
excessively fond of or submissive to one's wife
Example
He was so uxorious that he agreed with everything his wife said.
C2 adjective /ˈvɪrəl/

virile

Meaning
having traditionally masculine qualities, such as strength, energy, and sexual vigor
Example
The actor was admired for his virile appearance.
C2 verb /ɪmˈbɪtər/

embitter

Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
C2 noun /wiːl/

weal

Meaning
A raised mark on the skin left after a blow; or general well-being and prosperity.
Example
The charity worked for the common weal of the community.
C2 verb /ˈflædʒəˌleɪt/

flagellate

Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
C2 noun /ˈɪŋkjʊbəs/

incubus

Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

Meaning
Having different forms or shapes, especially in the same species or organism.
Example
Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.
C2 adjective /sɪˈnɒptɪk/

synoptic

Meaning
giving a general overview or summary; presenting a broad view
Example
The report offers a synoptic view of climate trends over the past century.
C2 adjective /ɪkˈsɛpʃənəbl/

exceptionable

Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
C2 noun /ˈbɜːrɡər/

burgher

Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
C2 noun /ˌkʌmˈʌpəns/

comeuppance

Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
C2 noun /kɪθ/

kith

Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
C2 verb /ˈvɪlɪfaɪ/

vilify

Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
C2 adjective /sɛnˈtɛnʃəs/

sententious

Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
C2 noun /ˈbreɪziər/

Brazier

Meaning
a worker in brass; a portable container for burning charcoal or coal
Example
The brazier crafted beautiful brass ornaments.
C2 verb /pərˈveɪ/

purvey

Meaning
to supply or provide goods, services, or information, often as a business
Example
The company purveys organic food to health-conscious customers.
C2 noun /ˈtrɪp.lɪ.kət/

triplicate

Meaning
A set of three identical copies of something.
Example
The documents were prepared in triplicate for official use.
C2 noun /kəmˈpɛndiəm/

compendium

Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
C2 noun /ˈdɛθsˌhɛd/

deaths-head

Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
C2 noun /ɪˈrʌp.ʃən/

Irruption

Meaning
a sudden violent entry; an invasion or raid; a sudden outburst or eruption
Example
The army's irruption into enemy territory caught the opposing forces completely off guard.
C2 adjective /ˌɪnsəˈluːbriəs/

insalubrious

Meaning
Unhealthy or not conducive to well-being.
Example
They moved out of the insalubrious neighborhood for the sake of their health.
C2 verb /ˈhɛktər/

hector

Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
C2 verb /ɡɪld/

gild

Meaning
to cover something with a thin layer of gold or to make something appear more attractive than it really is
Example
The craftsman gilded the frame to give it a luxurious look.
C2 noun /ˈliːdʒənəri/

legionary

Meaning
a soldier in the Roman army
Example
Each legionary carried a shield and a short sword.
C2 noun /ʃəˈɡrɪn/

chagrin

Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
C2 noun /ˈriːdʒənt/

regent

Meaning
a person who rules in place of a monarch when the monarch is absent or too young
Example
The prince acted as regent until the king came of age.
C2 noun /ˈtrɪbjuːn/

tribune

Meaning
a person or platform representing the people; historically, a Roman official elected to protect citizens' rights
Example
He was seen as a tribune of the common people.
C2 verb /əbˈskɒnd/

abscond

Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
C2 adjective /ʌnˈʌtərəbl/

unutterable

Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
C2 verb /ˈhæroʊ/

harrow

Meaning
to cause distress or torment; also to break up and smooth soil with a farm tool
Example
The tragic news harrowed the entire family.
C2 noun /ˈslʌɡərd/

sluggard

Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
C2 noun /kənˈtraɪ.vəns/

contrivance

Meaning
a device or plan that is cleverly or artificially created
Example
The clock was an intricate contrivance of gears and springs.
C2 noun /ˈlɔːrdlɪŋ/

lordling

Meaning
A young or petty lord; someone of minor nobility.
Example
The arrogant lordling demanded respect despite his lack of experience.
C2 adjective /dɛˈspɒtɪk/

despotic

Meaning
exercising power in a cruel, oppressive, or authoritarian way
Example
The king’s despotic rule left the people in misery.
C2 adjective /ˈiːkwaɪn/

equine

Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
C2 noun /ˌdɪsɪnklɪˈneɪʃən/

disinclination

Meaning
a lack of willingness or desire to do something
Example
She showed a clear disinclination to join the meeting.
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
C2 noun /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
C2 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

Meaning
absolute; not lessened or moderated
Example
The meeting was an unmitigated disaster.
C2 noun /rɪˌnʌnsiˈeɪʃən/

renunciation

Meaning
the formal rejection or giving up of something, usually a belief, claim, or way of life
Example
His renunciation of worldly pleasures impressed the monks.
C2 adverb /ˈdʒɪndʒərli/

gingerly

Meaning
in a very careful or cautious manner
Example
She walked gingerly on the icy path.
C2 verb /ˈprɛsɪdʒ/

presage

Meaning
to be a sign or warning that something will happen; to foreshadow
Example
Dark clouds presage a storm.
C2 noun /ˈzel.ət/

zealot

Meaning
A person who is fanatical and uncompromising in pursuit of their ideals.
Example
He was considered a zealot for his strict political views.
C2 noun /ˈrɛkluːsəri/

reclusory

Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
C2 noun /əˈmʊr/

amour

Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
C2 noun /baɪt/

bight

Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
C2 noun /ˈpɑːrləns/

parlance

Meaning
a particular way of speaking or using words, common to a group
Example
In legal parlance, the term has a different meaning.
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
C2 noun /ˈniːəˌfaɪt/

neophyte

Meaning
A beginner or novice in a subject, skill, or belief.
Example
As a neophyte in programming, she often asked for guidance from her mentor.
C2 adjective /ˌluː.mɪˈnɛs.ənt/

luminescent

Meaning
Emitting light without heat, glowing softly.
Example
The luminescent watch dial was visible in the dark.
C2 adjective /ˈpɛneɪt/

pennate

Meaning
Having parts or structures arranged like a feather; feather-shaped.
Example
The fern has a pennate leaf structure.
C2 adjective /sɪˈlæbɪk/

syllabic

Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
C2 adjective /pʌŋkˈtɪliəs/

punctilious

Meaning
Showing great attention to detail or correct behavior.
Example
She was punctilious in her attention to etiquette.
C2 adjective /ˈswɔːrði/

swarthy

Meaning
Having a dark complexion or skin tone.
Example
The sailor had a swarthy face from years under the sun.
C2 adjective /ˈsɑːdn/

sodden

Meaning
thoroughly soaked or saturated with liquid
Example
His clothes were sodden after the heavy rain.
C2 noun /ˈdjʊərəns/

durance

Meaning
imprisonment or confinement
Example
The prisoner spent years in durance before his release.
C2 adjective /ˈsuːpaɪn/

supine

Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
C2 adjective /ˈmʌltɪfɔːrm/

multiform

Meaning
Having many different forms or appearances.
Example
The festival was a multiform celebration of art, music, and culture.
C2 adjective /stəˈkɑː.təʊ/

staccato

Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
C2 noun /əbˈdʌktər/

abductor

Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
C2 adjective /ˈnɒmɪk/

nomic

Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
C2 adjective /ˈmiːli ˌmaʊðd/

mealy-mouthed

Meaning
Unwilling to speak directly and honestly; insincere or evasive in speech.
Example
The manager gave a mealy-mouthed excuse instead of admitting the mistake.
C2 noun /ˈbɛvi/

bevy

Meaning
A large group of people or things of a particular kind.
Example
A bevy of swans floated on the lake.
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
C2 noun /əˈbeɪəns/

abeyance

Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
C2 noun /ˈɡæli/

galley

Meaning
A low, flat ship used in ancient times, often with sails and oars; also, a kitchen on a ship or aircraft.
Example
The galley was filled with the smell of freshly cooked food.
C2 noun /ˈstrætədʒəm/

stratagem

Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
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 /ˌæntɪˈθɛtɪkəl/

antithetical

Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
C2 noun /ˈɪəri/

eyry

Meaning
an alternative spelling of eyrie; a nest of a bird of prey
Example
The falcon guarded its eyry fiercely.
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
C2 adjective /dɪˈstɛnsəbl̩/

distensible

Meaning
Capable of being stretched or expanded.
Example
The stomach is a distensible organ that can expand after eating.
C2 noun /əˈluːviən/

alluvion

Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
C2 verb /vɪˈtjuːpəreɪt/

vituperate

Meaning
To criticize harshly or abuse verbally.
Example
The politician was quick to vituperate his opponents during the debate.
C2 verb /ɪnˈveɪɡəl/

inveigle

Meaning
To persuade someone to do something by deception or flattery.
Example
She inveigled him into signing the contract.
C2 adjective /ˈɡaɪlləs/

guileless

Meaning
Innocent and without deceit
Example
Her guileless smile won everyone’s heart.
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.
C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
C2 noun /ˈæstər/

Aster

Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
C2 verb /θrɛʃ/

thresh

Meaning
to separate grain from the plant by beating or by using a machine
Example
Farmers used machines to thresh the wheat after harvest.
C2 noun /ˈdɛkəˌpɒd/

decapod

Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
C2 noun /ˈætəvɪzəm/

atavism

Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
C2 noun /oʊd/

ode

Meaning
a lyrical poem, often expressing praise or strong emotions
Example
The poet wrote an ode to the beauty of nature.
C2 noun /məˈdæliən/

medallion

Meaning
a large medal or decorative piece, often worn as jewelry or used in architecture
Example
She wore a gold medallion around her neck.
C2 adjective /rɪˈmɪs/

remiss

Meaning
Negligent in performing a duty or responsibility.
Example
The manager was remiss in not checking the financial reports carefully.
C2 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
C2 noun /ˌɒstɛnˈteɪʃən/

ostentation

Meaning
excessive display of wealth or knowledge intended to attract admiration or envy
Example
The billionaire’s party was full of ostentation and luxury.
C2 adjective /ˌʌnəˈsweɪdʒd/

unassuaged

Meaning
Not made less intense or relieved; unrelieved.
Example
His grief remained unassuaged despite the passage of time.
C2 adjective /ˈek.wə.bəl/

Equable

Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
C2 noun /ˈθiː.ɑːr.ki/

thearchy

Meaning
Rule or government by the gods; divine sovereignty.
Example
In ancient cultures, some societies believed in thearchy where gods directly guided human affairs.
C2 noun /ɛmˈpɪrɪˌsɪzəm/

empiricism

Meaning
the theory that all knowledge is derived from sense-experience
Example
Empiricism argues that knowledge comes from experience and observation.