arduous
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
C1 adjective ˈɑː.dʒu.əs

arduous

Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
C1 noun /æbˈdʌk.ʃən/

abduction

Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
C1 noun /ˈɑːrmfʊl/

armful

Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
C1 noun /ænˈtæɡənɪzəm/

antagonism

Meaning
active hostility or opposition
Example
There was clear antagonism between the two political parties.
C1 verb /əˈflɪkt/

afflict

Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
C1 adjective /əˈrɛstɪŋ/

arresting

Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
C1 adjective ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
C1 verb əˈkruː

accrue

Meaning
To accumulate or receive (payments or benefits) over time.
Example
Interest accrues on the savings account every month.
C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
C1 noun ˈæk.si.əm

axiom

Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
C1 adjective /ˈeɪmləs/

Aimless

Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
C1 adjective /ˈæv.ɪd/

avid

Meaning
having an eager desire or enthusiasm for something
Example
She is an avid reader of mystery novels.
C1 noun /ˈænərki/

anarchy

Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
C1 noun /ˈæbsɛs/

abscess

Meaning
A swollen area within body tissue containing pus, usually caused by infection.
Example
The dentist treated the abscess in his tooth.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

Meaning
The chief legal officer of a state or country.
Example
The attorney-general announced new reforms to strengthen justice.
C1 noun /ˈeɪθiɪzəm/

atheism

Meaning
The belief that there is no God or gods.
Example
He declared his atheism openly despite social pressure.
C1 adjective /ˈɔːrəl/

aural

Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
C1 noun /ˈælɔɪ/

alloy

Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
C1 noun /ˈæl.kə.laɪ/

alkali

Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
C1 noun əˈpreɪ.zəl

appraisal

Meaning
An assessment or evaluation of performance or quality.
Example
The annual appraisal determines salary increments.
C1 noun /əˈrɪəz/

arrears

Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
C1 adjective /əˈlʊr.ɪŋ/

Alluring

Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
C1 verb /ˈæɡənaɪz/

agonize

Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
C1 noun /ˌædməˈnɪʃən/

admonition

Meaning
a firm warning or reprimand; gentle or earnest advice
Example
He received an admonition for his careless work.
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 /əˈduː/

ado

Meaning
a fuss or unnecessary activity; trouble or difficulty
Example
Without further ado, let’s begin the ceremony.
C1 noun ˈæltruɪzəm

altruism

Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
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 verb /əˈtɛst/

attest

Meaning
To provide or serve as clear evidence of; to confirm or certify the truth of something.
Example
The witness attested to the accuracy of the report.
C1 noun ˌɔːɡ.menˈteɪ.ʃən

augmentation

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

amiss

Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
C1 noun /əˈtrɑːsəti/

atrocity

Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
C1 noun /ˌædəˈreɪʃən/

adoration

Meaning
deep love and respect; worship
Example
The fans showed their adoration for the singer.
C1 adjective /əˈniːmɪk/

anemic

Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
C1 noun /əˈboʊd/

abode

Meaning
a place of residence; a home
Example
They invited us to their humble abode.
C1 verb /əˈlɒt/

allot

Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
C1 noun /ˈæspɪrənt/

aspirant

Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
C1 verb /eɪl/

ail

Meaning
to be ill or suffer from a physical or mental problem; to trouble or afflict
Example
She has been ailing since last winter.
C1 verb /ədˈmɒnɪʃ/

admonish

Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
C1 verb /əˈpɛnd/

append

Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
C1 verb /əˈseɪl/

assail

Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
C1 adverb /əˈlɜːrtli/

alertly

Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
C1 adjective /əˈvɜːrs/

averse

Meaning
having a strong dislike of or opposition to something
Example
He was averse to taking unnecessary risks.
C1 verb /əˈfɪks/

affix

Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
C1 noun, verb /ˈɔːtɒpsi/

autopsy

Meaning
a post-mortem examination to discover the cause of death or the extent of disease
Example
The autopsy revealed that the victim had died from poisoning.
C1 verb /ænˈtæɡənaɪz/

antagonize

Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
C1 noun ˈæŋkərɪdʒ

anchorage

Meaning
A secure holding place; a place where ships can anchor safely.
Example
The boat was anchored near the shore for safety.
C1 noun /ˈæntɪˌdoʊt/

antidote

Meaning
A substance that neutralizes the effects of a poison; something that relieves or counteracts.
Example
The doctor quickly administered an antidote to the snake venom.
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
C1 adjective ɔːˈspɪʃ.əs

auspicious

Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
C1 noun /ˈæŋɡwɪʃ/

anguish

Meaning
Severe mental or physical pain or suffering.
Example
She was in deep anguish after hearing the tragic news.
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
C1 adjective /əˈθɔːrɪtətɪv/

authoritative

Meaning
Having or showing authority; commanding and self-confident; reliable as a source of information.
Example
She spoke in an authoritative tone that silenced the room.
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
C1 noun /əˈdʒeɪsənsi/

adjacency

Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
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 noun /ˈælɪɡəri/

allegory

Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
C1 noun /ɔːˈtɒkrəsi/

autocracy

Meaning
A system of government in which one person has absolute power.
Example
The country suffered under decades of autocracy.
C1 verb /ˈæmpjʊteɪt/

amputate

Meaning
to cut off a limb from the body by surgery
Example
The doctors had to amputate his leg after the accident.
C1 verb /əˈtjuːn/

attune

Meaning
to make someone or something aware of or responsive to something; to adjust or harmonize
Example
She quickly attuned herself to the needs of her new team.
C1 verb /əˈlʊər/

allure

Meaning
to attract or tempt someone with something desirable; to entice
Example
The beautiful garden allured visitors from far away.
C1 noun /ˈɑːrdər/

ardor

Meaning
Great enthusiasm or passion.
Example
She spoke with ardor about her new project.
C1 noun /əˈrɪs.tə.kræt/

Aristocrat

Meaning
a member of the aristocracy; a person of noble rank or birth
Example
The aristocrat lived in a magnificent castle.
C1 noun /ˈænəɡræm/

anagram

Meaning
A word or phrase formed by rearranging the letters of another word or phrase.
Example
The word 'listen' is an anagram of 'silent'.
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

Meaning
The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.
Example
Accreditation ensures institutional credibility.
C1 verb /ˈæbdɪkeɪt/

abdicate

Meaning
To give up a position of power or responsibility, especially a throne.
Example
The king decided to abdicate the throne.
C1 noun ɔːˈstɛr.ɪ.ti

austerity

Meaning
Simple and disciplined lifestyle, avoiding luxury.
Example
The government implemented austerity measures to reduce expenses.
C1 noun æmˈbɪvələns

ambivalence

Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
C1 noun /æɡˈnɒs.tɪk/

agnostic

Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
C1 noun /ˈæptɪˌtjuːd/

aptitude

Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
C1 noun /əˈsɛsər/

assessor

Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
C1 noun /əˈlɜːrtnəs/

alertness

Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
C1 adjective /ˌæl.ɡəˈrɪð.mɪk/

algorithmic

Meaning
Based on or using algorithms; relating to mathematical rules or procedures.
Example
Algorithmic processes power artificial intelligence systems.
C1 verb /əˈkleɪm/

acclaim

Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
C1 noun ˈælərdʒən

allergen

Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
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 /ˈæmərəs/

amorous

Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

Meaning
(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support
Example
The hospital has an auxiliary power generator in case of emergencies.
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
C1 adjective ɔːɡˈmen.tɪd

augmented

Meaning
having been made greater in size or value.
Example
The new software provided augmented reality features.
C1 noun əˈtrɪʃ.ən

attrition

Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
C1 noun /ˌɑːrtʃˈbɪʃəp/

archbishop

Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
C1 noun /ˌæntɪˈsiːdənts/

antecedents

Meaning
previous events, conditions, or people that influence or serve as a basis for something that follows
Example
The lawyer examined the criminal antecedents of the suspect.
C1 noun /əˈliː.dʒəns/

allegiance

Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
C1 noun /ˈɑːr.tər.i/

Artery

Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
C1 adjective /əˈtjuːnd/

attuned

Meaning
Being receptive or sensitive to something; well adjusted or in harmony.
Example
She is attuned to the needs of her students.
C1 adjective əsˈtjuːt

astute

Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
C1 adverb /ˈæmpli/

amply

Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
C1 noun /ˈænvɪl/

anvil

Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
C1 adjective /əˈdɒptɪv/

adoptive

Meaning
relating to the adoption of a child or the act of taking something as one’s own
Example
She grew up in a loving adoptive family.
C1 adjective, verb /ˈeɪlɪŋ/

ailing

Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
C1 verb ˌæs.ɚˈteɪn

ascertain

Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
C1 noun /əˈvɜːrʒən/

aversion

Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
C1 verb /əˈbeɪt/

abate

Meaning
to become less intense or widespread
Example
The storm began to abate after midnight.
C1 verb /ˌæprɪˈhɛnd/

apprehend

Meaning
to arrest or seize someone; to understand or perceive something
Example
The police managed to apprehend the thief after a long chase.
C1 adjective /ɑːrˈkeɪn/

arcane

Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
C1 verb /əˈpɔːl/

appall

Meaning
To shock or horrify someone with something unpleasant or bad.
Example
The cruelty of the crime appalled the entire community.
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
C1 verb /ˈɑːrbɪtreɪt/

arbitrate

Meaning
to settle a dispute between two parties by acting as an impartial judge
Example
The committee agreed to arbitrate the contract dispute.
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
C1 adjective /ˈɔː.də.bəl/

Audible

Meaning
able to be heard; loud enough to hear
Example
The speaker's voice was barely audible from the back of the large hall.
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
C1 adjective /ˈɛərˌtaɪt/

airtight

Meaning
Completely sealed so that no air can get in or out.
Example
Store the cookies in an airtight container to keep them fresh.
C1 noun /ˈæmpɛər/

ampere

Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
C1 noun /əˈkuːstɪks/

acoustics

Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
C1 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C1 noun /ˌæɡ.rəˈveɪ.ʃən/

aggravation

Meaning
The act of making a situation worse or the state of being worsened.
Example
The delay caused great aggravation for the passengers.
C1 adjective /ˌeɪˈmɔːrəl/

amoral

Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
C1 adjective /əˈwɒʃ/

awash

Meaning
covered or flooded with water or something in large quantities
Example
The market was awash with cheap imported goods.
C1 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

Meaning
Based on personal accounts rather than facts or research; characterized by anecdotes.
Example
The book was filled with anecdotal evidence rather than data.