artless
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C2 adjective /ˈɑːrtləs/

artless

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

anointment

Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
C2 verb /ˈæmbl/

amble

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

acquisitive

Meaning
excessively interested in acquiring money or material things
Example
The acquisitive businessman bought every piece of land he could find.
C2 verb /əˈvaʊtʃ/

avouch

Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
C2 verb /əˈreɪn/

arraign

Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
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 /əˈsɜːrbɪk/

acerbic

Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
C2 adjective /əˈskjuː/

askew

Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 verb /ˈædjʊˌleɪt/

adulate

Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
C2 noun /əˈplɒm/

aplomb

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

antedate

Meaning
to be earlier in time; to assign a date earlier than the actual one
Example
The manuscript antedates the modern printing press.
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 noun /ˈæbɪs/

abbess

Meaning
the woman in charge of a convent of nuns
Example
The abbess welcomed the visitors to the convent.
C2 adjective /ˌæm.bɪˈdɛk.strəs/

ambidextrous

Meaning
Able to use both hands equally well, or versatile in abilities.
Example
Being ambidextrous can be beneficial in sports.
C2 adjective /əˈθɜːrst/

athirst

Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
C2 noun ˈɔː.tɑː.ki

autarky

Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
C2 adjective /əˈpɒ.krɪ.fəl/

apocryphal

Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
C2 verb /əˈlɪtəreɪt/

alliterate

Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
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 adjective /ɑːrˈbɔːr.i.əl/

arboreal

Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
C2 adjective /əˈsɪdjʊləs/

acidulous

Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
C2 adverb /əˈθwɔːrt/

athwart

Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
C2 noun /ˈɑːm.lət/

Armlet

Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
C2 noun /ˈeə.rəm/

Arum

Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
C2 noun /əˈspær.ə.ɡəs biːn/

Asparagus bean

Meaning
a long, thin green vegetable pod that grows on vines; also known as yard-long bean
Example
The asparagus bean grows up to three feet long and is commonly used in Asian cooking.
C2 noun /əˈpɜːrtənəns/

appurtenance

Meaning
an accessory or supplementary part of something
Example
The garage is an appurtenance of the main house.
C2 noun /ˌænɪˈmɒmɪtər/

anemometer

Meaning
An instrument used to measure the speed and direction of wind.
Example
The scientist used an anemometer to record the wind speed during the storm.
C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

Meaning
An official organization that has the authority to judge disputes and make decisions.
Example
The adjudicative body deliberated on the case.
C2 noun /əˈsɜːrbəti/

acerbity

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

amatory

Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
C2 adjective /əˈbɔːrtɪv/

abortive

Meaning
Failing to produce the intended result; unsuccessful.
Example
Their abortive attempt to climb the mountain ended in retreat.
C2 noun /ˌær.əˈbesk/

arabesque

Meaning
a complex, ornate design featuring intertwined flowing lines, often used in architecture or ballet poses
Example
The ceiling was decorated with delicate arabesque patterns.
C2 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
C2 adverb /əˈsʌndər/

asunder

Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
C2 adjective /əˈpɜːrtənənt/

appurtenant

Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

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

adjuration

Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
C2 noun /ˈænθrəsaɪt/

anthracite

Meaning
A hard, shiny form of coal that burns with little smoke and a high heat value.
Example
The factory used anthracite as its primary fuel source.
C2 noun /ˈævərɪs/

avarice

Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
C2 verb /ˌækwiˈɛs/

acquiesce

Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
C2 adverb /əˈsɪdʒuəsli/

assiduously

Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
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 noun /ˌæbnɪˈɡeɪʃən/

abnegation

Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
C2 noun /ˌænθrəpəˈsɛntrɪzəm/

anthropocentrism

Meaning
The belief that human beings are the most important or central element of existence.
Example
Anthropocentrism often shapes environmental policies.
C2 noun /ˈɔːlmənæk/

almanac

Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
C2 noun /əˈdɛndəm/

addendum

Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
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 /ˈænɪməs/

animus

Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
C2 noun /əˈrɔɪ.oʊ/

arroyo

Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
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 noun /ˌæprəˈbeɪʃən/

approbation

Meaning
approval or praise
Example
The plan won the approbation of the board members.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

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

apothegm

Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
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 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 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 noun /ˈɛərəˌnɔːt/

aeronaut

Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
C2 noun /ˈætəmaɪzər/

atomizer

Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
C2 noun /ˈændaɪərn/

andiron

Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
C2 verb /ˌæpərˈteɪn/

appertain

Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
C2 adverb /əˈmʌk/

amuck

Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
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, 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 ˌæm.ɔː.tɪˈzeɪ.ʃən

amortization

Meaning
The process of paying off debt with regular payments over time.
Example
The amortization schedule showed a 10-year repayment plan.
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 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 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 verb /əˈɡræn.daɪz/

aggrandize

Meaning
To increase the power, wealth, or importance of a person or entity.
Example
The politician tried to aggrandize himself through exaggerated claims.
C2 noun /ˈɔːldər/

alder

Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
C2 noun /ˈæmpərˌsænd/

ampersand

Meaning
The symbol '&' used to represent the word 'and'.
Example
Use an ampersand instead of writing the word 'and' in the company name.
C2 noun /əˈvɪdəti/

avidity

Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
C2 adjective /ədˈmɒnɪtəri/

admonitory

Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
C2 noun /ˈæpəˌsteɪt/

apostate

Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
C2 adjective /ɔːˈrɪfərəs/

auriferous

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

Adjutant

Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
C2 noun /ˌæɡ.rəˈdeɪ.ʃən/

aggradation

Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.
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 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 /ˈɔːɡər/

augur

Meaning
To be a sign of something to come; to predict or foretell.
Example
Dark clouds augur a coming storm.
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 verb /ˈæbrəɡeɪt/

abrogate

Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
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 noun /əˈnæθəmə/

anathema

Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
C2 adverb /ˌeɪˈmɔːrəli/

amorally

Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
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 /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
C2 verb /əˈbɛt/

abet

Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
C2 noun /ˈæmjʊlət/

Amulet

Meaning
an ornament or small piece of jewelry thought to give protection against evil, danger, or disease
Example
She wore a silver amulet around her neck for good luck.
C2 noun /əˈɡrɒnəmɪst/

agronomist

Meaning
A scientist who studies soil management and crop production.
Example
The agronomist suggested new methods to improve rice yields.
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 adjective /ˈækwɪˌlaɪn/

aquiline

Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
C2 verb /əˈvaʊ/

avow

Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
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 adjective /əˈɡeɪp/ or /əˈɡɑːp/

agape

Meaning
With the mouth wide open in surprise or wonder.
Example
She stood agape at the breathtaking view.
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 /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 adjective /ˌæntɪdəˈluːviən/

antediluvian

Meaning
extremely old-fashioned; belonging to the time before the biblical flood
Example
His views on women are positively antediluvian.
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 /ˈɑːrbər/

arbor

Meaning
a shady garden shelter formed by trees, climbing plants, or latticework
Example
They rested under the arbor covered with roses.
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
C2 adverb /əˈmʌk/

amok

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

aerostat

Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
C2 noun /əˈsper.ɪ.ti/

asperity

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

apposite

Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
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 adjective /ˈæbdʒɛkt/

abject

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

antiphony

Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
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 noun /ˌæpəˈleɪʃən/

appellation

Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
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 adjective /æmˈbroʊʒiəl/

ambrosial

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