arrant
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C2 adjective /ˈærənt/

arrant

Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
C2 noun /əˈpɒstəsi/

apostasy

Meaning
The abandonment or renunciation of a religious or political belief.
Example
His public apostasy shocked his followers.
C2 noun /ˈiːdʒɪs/

aegis

Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
C2 noun /ˈæpəplɛksi/

apoplexy

Meaning
A sudden loss of consciousness or control due to stroke or extreme anger.
Example
The old man nearly had apoplexy when he heard the shocking news.
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
C2 verb /əˈkriːt/

accrete

Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
C2 noun /ˈæpəfθɛm/

apophthegm

Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
C2 adjective /əˈkɪliən/

achillean

Meaning
like or characteristic of Achilles; strong but vulnerable
Example
His achillean pride made him blind to danger.
C2 verb /əˈfaɪəns/

affiance

Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
C2 noun /ˈɔːspɪs/

auspice

Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
C2 adjective /æmˈbroʊʒiəl/

ambrosial

Meaning
Exceptionally pleasing to taste or smell; divine.
Example
The aroma of freshly baked bread was simply ambrosial.
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 /æbˈsɪʒən/

abscission

Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
C2 noun /ˈænsɛstrɪs/

ancestress

Meaning
a female ancestor; a woman from whom one is descended
Example
She discovered that her ancestress came from a small village in Bengal.
C2 noun /ˈæntɪfɒn/

antiphon

Meaning
a short chant or verse sung responsively in Christian worship, typically sung before or after a psalm or canticle
Example
The choir sang the antiphon before beginning the main hymn.
C2 noun /əˈkʌmpənɪst/

accompanist

Meaning
A person who plays a musical instrument to support a singer or another musician.
Example
The pianist served as the accompanist for the singer during the concert.
C2 noun /ˈɔːtɑːrki/

autarchy

Meaning
A system of self-sufficiency where a state or community is economically independent.
Example
The nation attempted autarchy to reduce reliance on imports.
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
C2 noun /ˌɛərəˈstætɪks/

aerostatics

Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
C2 noun /əˌkædəˈmɪʃən/

academician

Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
C2 verb /ˈædjʊˌleɪt/

adulate

Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
C2 adjective əˈsɪd.ju.əs

assiduous

Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
C2 noun /ˌæriˈviːst/

arriviste

Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
C2 adjective /ˈæʒər/

azure

Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
C2 verb /ˈæmbl/

amble

Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
C2 noun /əˈdjuː/

adieu

Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
C2 noun /ˈæpədʒiː/

apogee

Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
C2 adverb /əˈmʌk/

amok

Meaning
Behaving uncontrollably and disruptively.
Example
The angry mob ran amok after the verdict was announced.
C2 verb /əˈkɒst/

accost

Meaning
to approach and speak to someone boldly or aggressively
Example
The reporter was accosted by protesters outside the courthouse.
C2 verb /əˈsweɪdʒ/

assuage

Meaning
To make an unpleasant feeling less intense; to ease or relieve.
Example
The kind words helped assuage her anxiety.
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
C2 verb /ˈæmərˌtaɪz/

amortize

Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
C2 verb /əˈvɜːr/

aver

Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
C2 noun /əˈdɛpt.nəs/

adeptness

Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
C2 verb /əbˈhɔːr/

abhor

Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
C2 adjective /ˈædɪˌpoʊs/

adipose

Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
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 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
C2 noun /əˈbaɪdəns/

abidance

Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
C2 verb əˈmiːljəreɪt

ameliorate

Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
C2 noun /ˈɑːrtləsnəs/

artlessness

Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.
C2 verb /əˈvʌls/

avulse

Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
C2 verb /əˈdjuːs/

adduce

Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
C2 verb /ˈærəˌɡeɪt/

arrogate

Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
C2 adjective /əˈdʌltəreɪtɪd/

adulterated

Meaning
describes food, drink, or medicine made weaker or impure by the addition of another substance
Example
Authorities seized adulterated drugs from the warehouse.
C2 adjective /əˈθɜːrst/

athirst

Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
C2 noun /ˈeɪ.pi.ˌɛr.i/

apiary

Meaning
A place where beehives are kept, especially for commercial purposes.
Example
The farmer built a new apiary to produce organic honey.
C2 noun /ɔːl/

awl

Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
C2 adjective /əˈstrɪndʒənt/

astringent

Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
C2 adjective /ˌævəˈrɪʃəs/

avaricious

Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
C2 noun /ˈɔːrɪkl̩/

auricle

Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
C2 noun /əˈɡrɒnəmi/

agronomy

Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
C2 noun /ˌæpəˈzɪʃən/

apposition

Meaning
a grammatical construction in which two elements are placed side by side, with one explaining the other
Example
In the phrase 'my friend John,' the word 'John' is in apposition to 'my friend.'
C2 adjective /ˈæk.rɪd/

Acrid

Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
C2 verb /əˈkuːtə/

accoutre

Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
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 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
C2 noun /əˈmæl.ɡəm/

amalgam

Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
C2 adjective /ɔːˈrɔːrəl/

auroral

Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
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 adverb /əˈbæk/

Aback

Meaning
by surprise; unexpectedly
Example
I was taken aback by his sudden announcement.
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
C2 adverb /əˈskæns/

askance

Meaning
With suspicion, mistrust, or disapproval.
Example
She looked askance at his unusual proposal.
C2 noun /ˈæn.dʒi.əʊ.plæs.ti/

angioplasty

Meaning
A medical procedure to open blocked or narrowed blood vessels that supply blood to the heart.
Example
Angioplasty is now safer with robotic assistance.
C2 adjective /ɔːˈrɪfərəs/

auriferous

Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
C2 noun /ˈɛəri/

aerie

Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
C2 adjective /ˈɑːrtləs/

artless

Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
C2 verb /əˈbʌt/

abut

Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
C2 adjective /ˈæpəˌleɪt/

appellate

Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
C2 noun /əˈnæb.ə.lɪ.zəm/

anabolism

Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
C2 adjective /ˈæn.ə.daɪn/

anodyne

Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
C2 noun /ˈækmi/

acme

Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
C2 noun əˌten.juˈeɪ.ʃən

attenuation

Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
C2 adverb /əˈmʌk/

amuck

Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
C2 noun /ˈeɪʒən siː bæs/

Asian sea bass

Meaning
a large predatory fish found in coastal waters and estuaries of the Indo-Pacific region, prized for its white meat
Example
Asian sea bass is highly valued in aquaculture for its fast growth.
C2 adjective /ˈæbdʒɛkt/

abject

Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
C2 adjective /ˌækwiˈɛsənt/

acquiescent

Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
C2 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
C2 verb /əˈdʒʌdʒ/

adjudge

Meaning
to consider or declare officially in a legal or formal manner
Example
He was adjudged guilty by the court.
C2 noun /əˈsɜːrbəti/

acerbity

Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
C2 adjective /ˌækrəˈmætɪk/

achromatic

Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
C2 noun /əkˈsɛʃən/

accession

Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
C2 verb /əˈnɔɪnt/

anoint

Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
C2 noun /ˈɔːriˌoʊl/

aureole

Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
C2 verb /əˈkuːtər/

accouter

Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
C2 verb /əˈsɪdɪfaɪ/

acidify

Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
C2 noun /əˈkwɪtəns/

acquittance

Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
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.
C2 verb /əkˈsiːd/

accede

Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
C2 noun /əˈpɜːrtənənsɪz/

appurtenances

Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
C2 noun /əˈluː.vi.əm/

alluvium

Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
C2 adverb /əˈsɪdʒuəsli/

assiduously

Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
C2 noun, verb /ˈæseɪ/

assay

Meaning
To test or analyze the quality, purity, or content of a substance; the act of such testing.
Example
The scientists assayed the mineral sample for gold content.
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
C2 noun /ˌɑːrtʃˈdiːkən/

archdeacon

Meaning
A senior clergyman in the Christian Church ranking below a bishop.
Example
The archdeacon assisted the bishop in administrative duties.
C2 noun /əˈspɜːr.ʒən/

aspersion

Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
C2 verb /əˈmælɡəmeɪt/

amalgamate

Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
C2 adjective /əˈbɪs.əl/

abyssal

Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
C2 noun /ˈɑːrɡoʊ/

argot

Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.