Alphabetical word directory

English words starting with A

Showing words 2,2812,400 of 3,162. Choose a word to read its meaning, etymology and origin.

arbiter

n

a person who settles a dispute or has ultimate authority in a matter

[ˈɑːrbɪtər]

arbitrage

n

the simultaneous buying and selling of securities, currency, or commodities in different markets or in derivative forms in order to take advantage of differing prices for the same asset.

[ˈɑːrbɪtrɑːʒ]

arbitrageur

n

a person who engages in arbitrage, the simultaneous buying and selling of securities, currency, or commodities in different markets to profit from differing prices.

[ˌɑːrbɪtrɑːˈʒɜːr]

arbitral

adj

Relating to or decided by an arbitrator or arbitration.

[ˈɑːrbɪtrəl]

arbitrarily

adv

in a way that is based on personal choice, chance, or whim, rather than any reason or system

[ˌɑːrbɪˈtrerəli]

arbitrariness

n

the quality of being based on chance, personal whim, or random choice rather than any reason or system.

[ˈɑːrbɪtrərinəs]

arbitrary

adj

based on random choice or personal whim, rather than any reason or system.

[ˈɑːrbɪtreri]

arbitrate

v

to officially settle an argument or a disagreement between two people or groups

[ˈɑːrbɪtreɪt]

arbitration

n

the official process of settling an argument or a disagreement by an independent person or group

[ˌɑːrbɪˈtreɪʃn]

arbitrator

n

a person who is chosen to settle a disagreement between two people or groups

[ˈɑːrbɪtreɪtər]

arbor

n

A shady garden shelter or recess, often made of latticework on which plants such as climbing shrubs or vines are grown.

[ˈɑːrbər]

arboreal

adj

Relating to or living in trees.

[ɑːrˈbɔːriəl]

arboretum

n

A botanical garden devoted to trees and shrubs.

[ˌɑːrbəˈriːtəm]

arborist

n

a person whose job is to care for trees, especially by treating diseases, cutting off branches, etc.

[ˈɑːrbərɪst]

arborvitae

n

any of several north american or eastern asian evergreen trees of the cypress family, having flattened branchlets with scalelike leaves

[ˌɑːrbərˈvaɪti]

arc

n

A part of the circumference of a circle or other curved line.

[ɑːrk]

arcade

n

A covered passageway, especially one with an arched roof and shops along one or both sides.

[ɑːrˈkeɪd]

arcade-style

adj

Relating to or characteristic of the simple, fast-paced, and often high-score-focused gameplay typical of coin-operated video arcade games.

[ɑːrˈkeɪd staɪl]

arcadian

adj

Relating to an idealised, peaceful, and simple rural life.

[ɑːrˈkeɪ.di.ən]

arcana

plural noun

mysterious or specialized knowledge, language, or information accessible only to the initiated

[ɑːrˈkeɪnə]

arcane

adj

Understood by only a few people; mysterious and secret.

[ɑːrˈkeɪn]

arch

n

a curved structure that supports the weight of something above it, such as a bridge or the upper part of a building

[ɑːrtʃ]

arch-conservative

adj

Holding the most traditional and reactionary political views; extremely conservative.

[ˌɑːrtʃ kənˈsɜːrvətɪv]

arch-nemesis

n

A person's main or most dangerous enemy.

[ˌɑːrtʃ ˈneməsɪs]

archaeoastronomy

n

The study of how ancient peoples understood and used astronomical phenomena, and what role the sky played in their cultures.

[ˌɑːrkioʊəˈstrɑːnəmi]

archaeological

adj

Relating to the study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

[ˌɑːr.ki.əˈlɑː.dʒɪ.kəl]

archaeologically

adv

in a way that relates to archaeology, the study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

[ˌɑːr.ki.əˈlɑː.dʒɪ.kəl.i]

archaeologist

n

A person who studies human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

[ˌɑːrkiˈɑːlədʒɪst]

archaeology

n

The scientific study of material remains (such as tools, pottery, jewelry, stone walls, and monuments) of past human life and activities.

[ˌɑːr.kiˈɑː.lə.dʒi]

archaic

adj

Very old or old-fashioned.

[ɑːrˈkeɪ.ɪk]

archaism

n

A word or phrase that is no longer in everyday use but is sometimes used to suggest an earlier style or period.

[ˈɑːrkeɪɪzəm]

archangel

n

An angel of the highest rank.

[ˈɑːrkeɪndʒl]

archbishop

n

A bishop of the highest rank, who is in charge of the churches and other bishops in a very large area.

[ˌɑːrtʃˈbɪʃəp]

archdeacon

n

A senior Christian cleric in some churches, ranking below a bishop and having authority over a district or over other clergy.

[ˌɑːrtʃˈdiːkən]

archdiocesan

adj

Relating to or belonging to an archdiocese.

[ˌɑːrtʃdaɪˈɑːsɪsən]

archdiocese

n

The district for which an archbishop is responsible.

[ˌɑːrtʃˈdaɪ.ə.sɪs]

archduke

n

A nobleman of high rank, especially in historical contexts, specifically a son of the Emperor of Austria.

[ˌɑːrtʃˈduːk]

arched

adj

Having the shape of an arch; curved.

[ɑːrtʃt]

archenemy

n

A person's main or most dangerous enemy.

[ˌɑːrtʃˈenəmi]

archeological

adj

Relating to the study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

[ˌɑːrkiəˈlɑːdʒɪkəl]

archeologist

n

A person who studies human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.

[ˌɑːr.kiˈɑː.lə.dʒɪst]

archeology

n

The scientific study of the material remains of past human life and activities.

[ˌɑːrkiˈɑːlədʒi]

archer

n

A person who shoots with a bow and arrows.

[ˈɑːrtʃər]

archery

n

the sport or skill of shooting arrows from a bow.

[ˈɑːrtʃəri]

archetypal

adj

being a perfect or most typical example of a particular kind of person or thing.

[ˌɑːrkɪˈtaɪpəl]

archetype

n

a very typical example of a certain person or thing

[ˈɑːrkitaɪp]

archetypical

adj

representing or constituting the most perfect or typical example of something.

[ˌɑːrkɪˈtɪpɪkəl]

archimedean

adj

Relating to or characteristic of the Greek mathematician Archimedes or his works.

[ˌɑːrkɪˈmiːdiən]

arching

adj

Forming or shaped like an arch; curved.

[ˈɑːrtʃɪŋ]

archipelago

n

A group of islands.

[ˌɑːrkəˈpeləɡoʊ]

architect

n

a person whose job is to design buildings

[ˈɑːr.kə.tekt]

architected

v

Designed and planned the structure and operation of a complex system, especially in computing or business.

[ˈɑːr.kə.tek.tɪd]

architectonic

adj

Relating to the scientific and systematic study of architecture and construction.

[ˌɑːrkɪtekˈtɑːnɪk]

architectural

adj

Relating to the art or practice of designing and constructing buildings.

[ˌɑːrkɪˈtektʃərəl]

architecturally

adv

In a way that relates to the design and structure of buildings.

[ˌɑːrkɪˈtektʃərəli]

architecture

n

The art and practice of designing and constructing buildings.

[ˈɑːr.kɪ.tek.tʃər]

architrave

n

The lowest part of an entablature, resting directly on the tops of the columns in classical architecture.

[ˈɑːrkɪtreɪv]

archival

adj

Relating to or kept in an archive.

[ˈɑːrkaɪvəl]

archive

n

A collection of historical documents or records providing information about a place, institution, or group of people.

[ˈɑːrkaɪv]

archived

adj

(of documents or records) preserved for future reference, typically in a collection or repository.

[ˈɑːrkaɪvd]

archiving

n

The process of storing records or documents in an archive for long-term preservation.

[ˈɑːrkaɪvɪŋ]

archivist

n

A person whose job is to collect, organize, and take care of historical records and documents.

[ˈɑːrkɪvɪst]

archly

adv

In a manner that is knowingly playful or teasing.

[ˈɑːrtʃli]

archrival

n

a person, team, or organization that is your main and most serious rival

[ˌɑːrtʃˈraɪvl]

archway

n

a passage or entrance under an arch or a series of arches.

[ˈɑːrtʃweɪ]

arcing

v

The present participle or gerund of the verb 'arc', meaning to move or form a curved or arching path, especially like an electrical discharge.

[ˈɑːrkɪŋ]

arcminute

n

a unit of angular measurement equal to one sixtieth of a degree.

[ˈɑːrkˌmɪnɪt]

arcsecond

n

A unit of angular measurement equal to one sixtieth of an arcminute, or 1/3600 of a degree.

[ˈɑːrkˌsɛkənd]

arctic

adj

Relating to the regions around the North Pole.

[ˈɑːrktɪk]

ardent

adj

Showing strong feelings or enthusiasm; passionate.

[ˈɑːrdnt]

ardently

adv

In a way that shows strong feelings or enthusiasm; passionately.

[ˈɑːrdntli]

ardor

n

Very strong feelings of enthusiasm or love

[ˈɑːrdər]

arduous

adj

Involving or requiring strenuous effort; difficult and tiring.

[ˈɑːrdʒuəs]

arduously

adv

In a way that involves or requires strenuous effort; difficult and tiring.

[ˈɑːrdʒuəsli]

area

n

A particular part of a place, piece of land, or country.

[ˈeriə]

area-based

adj

Relating to or defined by a specific geographical area or region.

[ˈeriə beɪst]

areal

adj

Relating to or involving an area, especially as a distinct geographical or spatial region.

[ˈeriəl]

areawide

adj

Covering or affecting an entire area.

[ˈer.i.ə.waɪd]

arena

n

a level area surrounded by seats, used for sports, entertainment, or other public events

[əˈriːnə]

areola

n

A small circular area, especially the ring of colored skin surrounding a nipple.

[əˈriːələ]

Argentine

adj

Of or relating to Argentina or its people.

[ˈɑːrdʒəntiːn]

argentinean

adj

Of or relating to Argentina or its people.

[ˌɑːr.dʒənˈtɪn.i.ən]

argentinian

adj

Relating to Argentina or its people.

[ˌɑːrdʒənˈtɪniən]

arginine

n

A basic amino acid that is important in the formation of urea in the liver and in protein synthesis.

[ˈɑːrdʒɪniːn]

argon

n

A chemical element that is a noble gas, does not react with other elements, and is used in electric lights.

[ˈɑːrɡɑːn]

argot

n

The specialized vocabulary and idioms used by a particular social group or profession, especially by criminals or the underworld.

[ˈɑːrɡoʊ]

arguable

adj

able to be argued or asserted; open to disagreement or debate.

[ˈɑːrɡjuəbl̩]

arguably

adv

used to state an opinion that you believe can be shown to be true

[ˈɑːrɡjuəbli]

argue

v

To speak angrily to someone, telling them that you disagree with them.

[ˈɑːrɡjuː]

argument

n

a reason or set of reasons given to persuade others that an action or idea is right or wrong

[ˈɑːrɡjumənt]

argumentation

n

The process of systematically reasoning in support of an idea, action, or theory.

[ˌɑːrɡjʊmenˈteɪʃən]

argumentative

adj

(of a person) tending to argue or disagree with people in an angry way

[ˌɑːrɡjʊˈmentətɪv]

argyle

n

a pattern used on knitwear (especially socks) consisting of diamond shapes in different colors on a plain background.

[ˈɑːrɡaɪl]

aria

n

A long, accompanied song for a solo voice in an opera or oratorio.

[ˈɑriə]

arian

suffix

A person who believes in, advocates for, or is associated with a particular doctrine, system, or set of principles.

[ˈɛriən]

arid

adj

(of land or a climate) having little or no rain; too dry or barren to support vegetation.

[ˈærɪd]

aridity

n

The state or quality of being extremely dry, especially of land or climate.

[əˈrɪdəti]

aright

adv

Correctly or properly

[əˈraɪt]

arise

v

To begin to exist or become noticeable; to come into being.

[əˈraɪz]

aristocracy

n

the highest social class in some countries, typically comprising people of noble birth who hold hereditary titles and offices.

[ˌer.əˈstɑː.krə.si]

aristocrat

n

A member of the highest social class, especially a person who has a title such as 'duke' or 'countess', typically with inherited wealth and power.

[əˈrɪs.tə.kræt]

aristocratic

adj

belonging to or typical of the aristocracy, a class of people of high social rank

[əˌrɪs.təˈkræt̬.ɪk]

aristotelian

adj

Relating to the Greek philosopher Aristotle or his ideas

[ˌærɪstəˈtiːliən]

arithmetic

n

The branch of mathematics dealing with the properties and manipulation of numbers, especially the basic operations of addition, subtraction, multiplication, and division.

[əˈrɪθməˌtɪk]

arithmetical

adj

Relating to or involving arithmetic.

[ˌer.ɪθˈmet̬.ɪ.kəl]

arithmetically

adv

In a way that relates to or uses arithmetic.

[ˌer.ɪθˈmet̬.ɪ.kəl.i]

ark

n

A large wooden ship built by Noah in the Bible to save his family and two of every kind of animal from a great flood.

[ɑːrk]

arm

n

Either of the two long limbs of the human body from the shoulder to the hand.

[ɑːrm]

arm's-length

adj

Conducted at or as if at a distance, especially to maintain independence and avoid undue influence or a conflict of interest.

[ˈɑːrmzleŋθ]

arm-twisting

n

The use of forceful or persuasive pressure to make someone do something they are unwilling to do.

[ˈɑːrmˌtwɪstɪŋ]

arm-wrestling

n

A contest of strength in which two people sit facing each other, each with one elbow on a table and the hands clasped together, and each tries to force the other's arm down onto the table.

[ˈɑːrm ˌres.lɪŋ]

armada

n

A large group of armed ships, especially warships.

[ɑːrˈmɑːdə]

armadillo

n

A small animal that lives in the Americas and has a hard shell made of pieces of bone, which it uses to protect itself from enemies.

[ˌɑːrməˈdɪloʊ]

armageddon

n

(in the Bible) the final battle between good and evil at the end of the world.

[ˌɑːrməˈɡedn]

armament

n

Weapons and military equipment used by a country or group.

[ˈɑːrməmənt]

armamentarium

n

the complete equipment, methods, and resources available to a person or profession, especially in medicine or science.

[ˌɑːrməmenˈteriəm]

armature

n

A framework or skeleton which supports a sculpture, model, or other structure.

[ˈɑːrmətʃər]

armband

n

A band of material worn around the upper arm, often as a symbol of identity, membership, or mourning.

[ˈɑːrmbænd]

armchair

n

A comfortable chair with side supports for a person's arms.

[ˈɑːrm.tʃer]

armed

adj

Equipped with or carrying a weapon or weapons.

[ɑːrmd]
English Words Starting with A – Page 20 | OpenEtymology