Alphabetical word directory

English words starting with A

Showing words 1,2011,320 of 3,162. Choose a word to read its meaning, etymology and origin.

allen

propn

A surname of English and Irish origin.

[ˈælən]

allergen

n

a substance that causes an allergic reaction in the body.

[ˈælərdʒən]

allergenic

adj

causing an allergic reaction.

[ˌæl.ɚˈdʒen.ɪk]

allergic

adj

having an allergy to a substance

[əˈlɜːrdʒɪk]

allergist

n

A doctor who specializes in treating allergies.

[ˈælərdʒɪst]

allergy

n

a medical condition in which the body reacts badly to a particular substance because it has become too sensitive to it

[ˈælərdʒi]

alleviate

v

To make something less severe, painful, or unpleasant.

[əˈliːviˌeɪt]

alleviation

n

the act of making something less severe or more bearable.

[əˌliːviˈeɪʃn]

alley

n

a narrow street or passage between or behind buildings

[ˈæli]

alley-oop

n

a high, arcing pass in basketball, especially one to a teammate who jumps, catches the ball in mid-air, and scores immediately.

[ˌæl.iˈuːp]

alleyway

n

A narrow street or passage between or behind buildings.

[ˈæl.i.weɪ]

alliance

n

a formal agreement or treaty between two or more nations or groups to cooperate for specific purposes, especially in war or politics.

[əˈlaɪəns]

allied

adj

Joined by or relating to members of an alliance.

[ˈælaɪd, əˈlaɪd]

alligator

n

a large reptile with a long body, a long mouth with sharp teeth, and a powerful tail, that lives in lakes and rivers in the hot, wet parts of america and china.

[ˈæl.ɪ.ɡeɪ.t̬ɚ]

alliterate

v

To use the same sound or sounds, especially consonant sounds, at the beginning of two or more words that are close together.

[əˈlɪtəreɪt]

alliteration

n

The occurrence of the same letter or sound at the beginning of adjacent or closely connected words.

[əˌlɪtəˈreɪʃn]

alliterative

adj

characterized by or using alliteration; the repetition of the same sound or letter at the beginning of adjacent or closely connected words.

[əˈlɪtəreɪtɪv]

allocate

v

To set apart or designate something for a specific purpose or to a particular person or group.

[ˈæləˌkeɪt]

allocated

verb (past tense, past participle)

Designated or distributed a resource for a particular purpose.

[ˈæləkeɪtɪd]

allocation

n

The action or process of allocating or distributing something.

[ˌæləˈkeɪʃn]

allocative

adj

Relating to the process of distributing or assigning resources, duties, or shares to different people or purposes.

[ˈæləkeɪtɪv]

allocator

n

A person or thing that allocates something, especially a computer program or routine that manages the distribution of resources.

[ˈæləkeɪtər]

allogeneic

adj

Relating to or being genetically different cells or tissues from individuals of the same species.

[ˌæloʊdʒɪˈniːɪk]

allograft

n

A tissue graft from a donor of the same species as the recipient but not genetically identical.

[ˈæloʊɡræft]

allometric

adj

Relating to or characterized by allometry; involving a change in the proportions of parts of an organism during growth.

[ˌæləˈmetrɪk]

allometry

n

The study or measurement of the relative growth of a part of an organism in relation to the growth of the whole organism.

[əˈlɑːmɪtri]

allopathic

adj

Relating to or denoting the conventional medical treatment of disease, typically using drugs or surgery to counteract symptoms or effects.

[ˌæləˈpæθɪk]

allosaurus

n

A large, carnivorous, bipedal dinosaur of the late Jurassic period, with a massive skull, sharp teeth, and short forelimbs.

[ˌæləˈsɔːrəs]

allot

v

to give time, money, tasks, etc. to somebody/something as a share of what is available

[əˈlɑːt]

allotment

n

an amount or share of something, such as money or time, that is given to someone or something, or the process of doing this

[əˈlɑːtmənt]

allotted

verb (past tense and past participle)

To have given or assigned a share, role, or task to someone as part of a plan or distribution.

[əˈlɑːtɪd]

allottee

n

a person to whom something is allotted or assigned.

[əˌlɑːtˈiː]

allow

v

To let someone do something or let something happen; to give permission.

[əˈlaʊ]

allowable

adj

Permitted or acceptable according to rules or law.

[əˈlaʊəbl̩]

allowance

n

an amount of something, especially money, that is given to someone regularly or for a particular purpose

[əˈlaʊəns]

allowed

adj

Permitted or authorized.

[əˈlaʊd]

alloy

n

a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.

[ˈælɔɪ]

allspice

n

the dried, unripe berries of a tropical american tree, used as a spice with a flavor resembling a mixture of cinnamon, nutmeg, and cloves.

[ˈɔːlspaɪs]

allude

v

To mention something or someone indirectly, without discussing it or them explicitly.

[əˈluːd]

allure

n

the quality of being powerfully and mysteriously attractive or fascinating.

[əˈlʊr]

allurement

n

The quality of being powerfully and mysteriously attractive or fascinating.

[əˈlʊrmənt]

alluring

adj

Very attractive or tempting; charming.

[əˈlʊrɪŋ]

alluringly

adv

in a very attractive or tempting way

[əˈlʊrɪŋli]

allusion

n

An indirect or passing reference to something, especially in literature.

[əˈluːʒn]

allusive

adj

Containing or using allusion; making indirect reference to something.

[əˈluːsɪv]

alluvial

adj

Relating to or derived from alluvium, which is sand, earth, and other material deposited by flowing water.

[əˈluːviəl]

alluvium

n

clay, silt, sand, gravel, or similar detrital material deposited by running water.

[əˈluːviəm]

ally

v

To join or unite for a common purpose or action.

[ˈælaɪ, əˈlaɪ]

almanac

n

a book published every year that contains detailed information on a particular subject or activity for that year.

[ˈɑːlmənæk]

almighty

adj

having complete power; omnipotent (often used to refer to god)

[ɔːlˈmaɪti]

almond

n

the oval edible nutlike seed (kernel) of a tree of the rose family, growing in a hard shell.

[ˈɑːmənd], [ˈælmənd]

almond-shaped

adj

having a shape that is oval and pointed at one or both ends, resembling the outline of an almond nut.

[ˈɑːmənd ʃeɪpt]

almost

adv

Very nearly but not completely.

[ˈɔːlmoʊst]

alms

n

Money, food, or other donations given to the poor or needy as an act of charity.

[ɑːmz]

almshouse

n

A house built and endowed by charity for the accommodation of poor people, especially the elderly.

[ˈɑːmzhaʊs]

aloe

n

a plant with thick pointed leaves and bitter juice, used in medicines and cosmetics

[ˈæloʊ]

aloft

adv

In the air; high up in the air.

[əˈlɔːft]

aloha

interj

a hawaiian word used for greeting or farewell, expressing love, kindness, and compassion.

[əˈloʊ.hɑː]

alone

adj

Without any other people

[əˈloʊn]

aloneness

n

The state of being alone or solitary.

[əˈloʊnnəs]

along

prep

from one end to or towards the other end of something

[əˈlɔːŋ]

alongside

prep

Next to or at the side of something or someone.

[əˌlɔːŋˈsaɪd]

aloof

adj

not friendly or forthcoming; cool and distant

[əˈluːf]

aloofness

n

The quality or state of being distant, reserved, or emotionally detached.

[əˈluːfnəs]

alopecia

n

The medical condition of losing hair from the head or body.

[ˌæləˈpiːʃiə]

aloud

adv

In a voice that can be heard; not silently or in a whisper.

[əˈlaʊd]

alpaca

n

A South American mammal related to the llama, valued for its long, soft wool.

[ælˈpækə]

alpenglow

n

a reddish glow seen on mountain peaks at sunrise or sunset.

[ˈælpənɡloʊ]

alpha

n

The first letter of the Greek alphabet (Α, α).

[ˈælfə]

alpha-hydroxy

adj

(of a chemical compound) containing a hydroxyl group attached to the carbon atom next to the one bearing the carboxyl group or other functional group.

[ˌælfə haɪˈdrɑːksi]

alphabet

n

A set of letters or symbols in a fixed order used for writing a language.

[ˈælfəbet]

alphabetic

adj

Relating to or using an alphabet.

[ˌælfəˈbɛtɪk]

alphabetical

adj

arranged in the order of the letters of the alphabet.

[ˌælfəˈbetɪkəl]

alphabetically

adv

in the order of the letters of the alphabet

[ˌælfəˈbetɪkli]

alphabetize

v

to arrange items in the order of the letters of the alphabet.

[ˈælfəbəˌtaɪz]

alphabetized

adj

Arranged in the order of the letters of the alphabet.

[ˈælfəbəˌtaɪzd]

alphanumeric

adj

Consisting of or using both letters and numbers.

[ˌælfənuːˈmerɪk]

alpine

adj

Relating to high mountains, especially the Alps.

[ˈælpaɪn]

alpinist

n

A person who climbs high mountains, especially in the Alps.

[ˈælpɪnɪst]

already

adv

Before now or before a particular time in the past.

[ɔlˈrɛdi]

alright

adv

used to show that you agree with or accept something someone has said or suggested

[ɔːlˈraɪt]

alsatian

n

A large breed of dog of the wolfhound type, typically having a grey and black coat; a German shepherd dog.

[ælˈseɪʃən]

also

adv

In addition; too.

[ˈɔːlsoʊ]

also-ran

n

A competitor, especially in a horse race, that does not finish among the winners.

[ˈɔːlsoʊ ræn]

alt-country

n

A subgenre of country music that incorporates influences from alternative rock, folk rock, or punk rock, often characterized by a less polished, more introspective, or experimental approach than mainstream country.

[ˈɑːlt ˌkʌntri]

alt-rock

n

A style of rock music that emerged in the 1980s and 1990s, characterized by a non-mainstream, independent ethos and often incorporating elements from other genres like punk, folk, or experimental music.

[ˈælt rɑːk]

altar

n

A table or flat-topped block used for religious rituals, especially for making sacrifices or offerings to a god or deity.

[ˈɔːltər]

altarpiece

n

A painting or other work of art placed above and behind the altar in a Christian church.

[ˈɔːltərpiːs]

altazimuth

n

An instrument for measuring the altitude and azimuth of a celestial object.

[ælˈtæzɪməθ]

alter

v

To make or become different; to change.

[ˈɔːltər]

alterable

adj

Capable of being changed or made different.

[ˈɔːltərəbl̩]

alteration

n

a change, usually a small one, that makes something different

[ˌɔːltəˈreɪʃn]

altercation

n

A noisy argument or disagreement, especially in public.

[ˌɔːltərˈkeɪʃn]

altered

adj

Changed in form, character, or composition.

[ˈɔːltərd]

altering

v

(present participle of alter) Making something different; changing in some way, typically a small or moderate change.

[ˈɔːltərɪŋ]

alterity

n

The state of being different or distinct from something else, especially from a dominant social or cultural group.

[ɔːlˈtɛrɪti]

alternate

v

To occur or follow by turns; to repeatedly switch between two states or actions.

[ˈɔːltərneɪt]

alternately

adv

In a way that involves two things following one after the other repeatedly.

[ˈɔːltərnətli]

alternating

adj

Happening or following one after the other in a repeated pattern.

[ˈɔːltərneɪtɪŋ]

alternation

n

The repeated occurrence of two things in turn; a regular succession of one thing followed by another.

[ˌɑːltərˈneɪʃn]

alternative

adj

(of one or more things) available as another possibility or choice.

[ɔːlˈtɜːrnətɪv]

alternative-energy

n

Energy derived from sources that do not use up natural resources or harm the environment, especially as opposed to fossil fuels.

[ɔːlˈtɜːrnətɪv ˈɛnərdʒi]

alternative-fuel

adj

relating to or using a fuel other than petroleum or gasoline for powering engines

[ɔːlˈtɜːrnətɪv ˈfjuːəl]

alternative-rock

n

A style of rock music that emerged in the 1980s and became widely popular in the 1990s, characterized by a rejection of mainstream commercialism and often featuring distorted guitars, unconventional song structures, and introspective lyrics.

[ɔːlˈtɜːrnətɪv rɑːk]

alternatively

adv

used to introduce a suggestion that is a second choice or possibility.

[ɔːlˈtɜːrnətɪvli]

alternator

n

A generator that produces alternating current.

[ˈɔːltərneɪtər]

although

conj

Used to introduce a statement that makes the main statement seem surprising or unlikely.

[ɔːlˈðoʊ]

altimeter

n

An instrument for measuring altitude, especially in an aircraft.

[ælˈtɪmɪtər]

altiplano

n

A high plateau or plain, especially one between mountain ranges.

[ˌæltɪˈplɑːnoʊ]

altitude

n

The height of an object or point in relation to sea level or ground level.

[ˈæltɪtuːd]

altitudinal

adj

Relating to altitude or height.

[ˌæltɪˈtuːdənəl]

alto

n

the lowest female singing voice; contralto

[ˈæltoʊ]

altogether

adv

completely or entirely

[ˌɔːltəˈɡeðər]

altruism

n

The principle or practice of unselfish concern for the welfare of others.

[ˈæltruɪzəm]

altruist

n

a person who shows a selfless concern for the well-being of others; someone who practices altruism.

[ˈæltruɪst]

altruistic

adj

Showing a selfless concern for the well-being of others; unselfish.

[ˌæltruˈɪstɪk]

altruistically

adv

in a way that shows a selfless concern for the well-being of others; unselfishly.

[ˌæltruˈɪstɪkli]

alum

n

A white mineral salt used in medicine, dyeing, and water purification.

[ˈæləm]

alumina

n

a white solid compound of aluminum and oxygen, occurring as bauxite and used in producing aluminum metal and in abrasives and ceramics.

[əˈluːmɪnə]

aluminium

n

a chemical element that is a light, silver-white metal used for making cooking equipment, aircraft parts, etc.

[əˌluː.mɪn.i.əm]
English Words Starting with A – Page 11 | OpenEtymology