Alphabetical word directory

English words starting with A

Showing words 3,0013,120 of 3,162. Choose a word to read its meaning, etymology and origin.

auto-related

adj

Connected with or involving automobiles (cars, trucks, etc.).

[ˌɔːtoʊ rɪˈleɪtɪd]

autoantibody

n

an antibody produced by the body that acts against one of its own tissues or components.

[ˌɔːtoʊˈæntɪbɑːdi]

autobahn

n

A German motorway or expressway, especially one without a general speed limit.

[ˈɔːtoʊbɑːn]

autobiographer

n

A person who writes the story of their own life.

[ˌɑː.t̬oʊ.baɪˈɑː.ɡrə.fɚ]

autobiographic

adj

relating to or in the style of an autobiography; telling the story of one's own life.

[ˌɑː.t̬oʊ.baɪ.əˈɡræf.ɪk]

autobiographical

adj

relating to or in the style of an autobiography; telling the story of your own life.

[ˌɑː.t̬oʊ.baɪ.əˈɡræf.ɪ.kəl]

autobiographically

adv

in a way that relates to or is written in an autobiography

[ˌɑː.t̬oʊ.baɪ.əˈɡræf.ɪ.kəl.i]

autobiography

n

a book about a person's life, written by that person.

[ˌɑː.t̬oʊ.baɪˈɑː.ɡrə.fi]

autocephalous

adj

(of an Eastern Christian Church) governing itself independently of any external authority, especially having its own head or patriarch.

[ˌɔːtoʊˈsefələs]

autochthonous

adj

Inhabiting a place from the earliest known times; indigenous.

[ɔːˈtɑːkθənəs]

autoclave

n

A strong, pressurized container used for heating substances with steam under high pressure, especially for sterilization.

[ˈɔːtəˌkleɪv]

autocorrelation

n

A mathematical measure of the similarity between a signal and a time-shifted version of itself, used to find repeating patterns.

[ˌɔːtoʊˌkɔːrɪˈleɪʃən]

autocracy

n

A system of government in which one person has absolute power.

[ɔːˈtɑːkrəsi]

autocrat

n

A ruler who has absolute power and uses it in a cruel or oppressive way.

[ˈɔːtəkræt]

autocratic

adj

Relating to a ruler who has absolute power.

[ˌɔːtəˈkrætɪk]

autodidact

n

A person who has learned a subject or skill without the help of a teacher or formal education.

[ˌɔːtoʊˈdaɪdækt]

autoerotic

adj

Relating to or involving sexual excitement generated by oneself, without the participation of another person.

[ˌɔːtoʊɪˈrɑːtɪk]

autofocus

n

A device or function that automatically adjusts the focus of a camera or other optical instrument.

[ˈɔːtoʊˌfoʊkəs]

autogenic

adj

originating from within the self or the body; self-generated.

[ˌɔːtoʊˈdʒenɪk]

autogenics

n

A relaxation technique based on self-suggestion, used to relieve stress and promote physical well-being.

[ˌɔːtoʊˈdʒɛnɪks]

autograph

n

A person's own signature, especially that of a famous person.

[ˈɔːt̬əɡræf]

autograph-seeker

n

a person who tries to get the signature of a famous person, typically as a hobby or for collection.

[ˈɔːtəɡræf ˌsiːkər]

autographed

adj

Bearing the signature of the author, artist, or a famous person, typically written by hand.

[ˈɔːtəɡræft]

autoguider

n

An electronic or optical device that automatically keeps a telescope or camera precisely aimed at a celestial object by tracking its movement.

[ˈɔːtoʊˌɡaɪdər]

autoimmune

adj

relating to or caused by antibodies or lymphocytes that attack substances naturally present in the body.

[ˌɔːtoʊɪˈmjuːn]

autoimmunity

n

a condition in which the body produces antibodies that attack its own tissues, leading to disease.

[ˌɔːtoʊɪˈmjuːnəti]

autoloader

n

a mechanism or device that loads something automatically, especially the next round of ammunition into a firearm or the next item into a machine.

[ˈɔːtoʊˌloʊdər]

autologous

adj

Derived from the same individual.

[ɔˈtɑːləɡəs]

automaker

n

A company that manufactures automobiles.

[ˈɔːtoʊˌmeɪkər]

automat

n

A vending machine, especially one that dispenses food or drinks.

[ˈɔːtəˌmæt]

automate

v

to make a process in a factory or office operate by machines or computers, without needing human control

[ˈɔːtəmeɪt]

automated

adj

Operated by machines or computers instead of people, with little or no human involvement.

[ˈɔːtəmeɪtɪd]

automatic

adj

(of a machine or process) working by itself with little or no direct human control.

[ˌɔːt̬əˈmæt̬ɪk]

automatically

adv

In a way that works by itself, without direct human control.

[ˌɔːtəˈmætɪkli]

automaticity

n

The quality or state of being automatic; the ability to do something without conscious thought, as a result of extensive practice or habit.

[ˌɔːt̬əməˈtɪsɪti]

automation

n

The use of machines and computers to do work that was previously done by people.

[ˌɔːtəˈmeɪʃn]

automatism

n

action or behavior performed without conscious thought or intention, often as a mechanical response.

[ɔːˈtɑːmətɪzəm]

automaton

n

a machine that operates on its own without human control; a robot

[ɔːˈtɑːmətən]

automobile

n

A road vehicle, typically with four wheels, powered by an internal combustion engine or electric motor and able to carry a small number of people.

[ˈɔːtəmoʊˌbiːl]

automotive

adj

relating to or concerned with motor vehicles

[ˌɔːtəˈmoʊtɪ̬v]

autonomic

adj

Relating to the autonomic nervous system, which controls involuntary bodily functions such as heartbeat and digestion.

[ˌɔːtəˈnɑːmɪk]

autonomous

adj

Having the right or power of self-government.

[ɔːˈtɑːnəməs]

autonomously

adv

In a way that is self-governing or independent; without being controlled by others.

[ɔːˈtɑːnəməsli]

autonomy

n

The right or condition of a country, organization, or group to govern itself or control its own affairs.

[ɔːˈtɑːnəmi]

autopilot

n

A device for automatically steering ships, aircraft, and spacecraft.

[ˈɔːtoʊˌpaɪlət]

autopsy

n

A medical examination of a dead body to discover the cause of death.

[ˈɔːtɑːpsi]

autoregressive

adj

(of a statistical model or process) in which the value of a variable at a given time is modeled as a function of its own previous values.

[ˌɑː.toʊ.rɪˈɡres.ɪv]

autosomal

adj

Relating to or denoting an autosome, any chromosome that is not a sex chromosome.

[ˌɔːtəˈsoʊml]

autoworker

n

A person who works in the automobile manufacturing industry.

[ˈɔːtoʊˌwɜːrkər]

autumn

n

the season of the year between summer and winter, when leaves change color and the weather becomes cooler

[ˈɔːtəm]

autumnal

adj

relating to or characteristic of autumn.

[ɔːˈtʌmnəl]

auxiliary

adj

providing supplementary or additional help and support.

[ɔːɡˈzɪliəri]

avail

v

to be of use or advantage to; to help or benefit

[əˈveɪl]

availability

n

the quality or state of being able to be used, obtained, or contacted

[əˌveɪləˈbɪləti]

available

adj

able to be used or obtained; at someone's disposal.

[əˈveɪləbl̩]

avalanche

n

a large mass of snow, ice, and rocks that falls down the side of a mountain.

[ˈævəlæntʃ]

avant-garde

n

a group of people, especially artists, writers, or musicians, whose work is new, experimental, and often shocking to many people

[ˌævɑːnt ˈɡɑːrd]

avarice

n

Extreme greed for wealth or material gain.

[ˈævərɪs]

avaricious

adj

Having or showing an extreme greed for wealth or material gain.

[ˌæv.əˈrɪʃ.əs]

avascular

adj

Lacking blood vessels or having a poor blood supply.

[eɪˈvæskjʊlər]

avatar

n

An icon or figure representing a particular person in a video game, internet forum, etc.

[ˈævətɑːr]

avenge

v

to punish or hurt someone in return for harm or a wrong they have done to you, your family, or your friends

[əˈvɛndʒ]

avenger

n

A person who punishes or seeks to punish someone for a wrong or injury done to themselves or others.

[əˈvɛndʒər]

avenging

adj

Seeking to harm or punish someone in return for a wrong or injury suffered.

[əˈvɛndʒɪŋ]

avenue

n

a wide street in a town or city, often with trees along the sides

[ˈævənuː]

aver

v

To state something as a fact; to assert or affirm positively.

[əˈvɜːr]

average

n

The result you get by adding two or more amounts together and dividing the total by the number of amounts

[ˈævərɪdʒ]

average-looking

adj

Having an appearance that is neither very attractive nor very unattractive; ordinary or typical in appearance.

[ˈævərɪdʒ ˈlʊkɪŋ]

average-size

adj

Of a size that is typical, ordinary, or not unusually large or small.

[ˈævərɪdʒ saɪz]

average-sized

adj

Of a size that is neither very large nor very small; typical or ordinary in size.

[ˈævərɪdʒ saɪzd]

averaged

v

To calculate or find the arithmetic mean of a set of numbers.

[ˈævərɪdʒd]

averageness

n

The state or quality of being average, ordinary, or typical.

[ˈævərɪdʒnəs]

averse

adj

having a strong feeling of not liking or opposing something

[əˈvɜːrs]

aversion

n

a strong feeling of dislike or unwillingness to do something

[əˈvɜːrʒn]

aversive

adj

causing strong dislike or avoidance; repulsive

[əˈvɜːrsɪv]

avert

v

to prevent something bad or dangerous from happening

[əˈvɜːrt]

averted

v

turned away or aside

[əˈvɜːrtɪd]

avian

adj

Relating to birds.

[ˈeɪviən]

aviary

n

A large cage, building, or enclosure for keeping birds in.

[ˈeɪvieri]

aviation

n

the activity or business of operating aircraft

[ˌeɪ.viˈeɪ.ʃən]

aviator

n

a person who operates an aircraft, especially as a pilot

[ˈeɪ.vi.eɪ.t̬ɚ]

avid

adj

Having or showing a keen interest in or enthusiasm for something.

[ˈævɪd]

avidity

n

extreme eagerness or enthusiasm

[əˈvɪdəti]

avidly

adv

In an extremely eager or enthusiastic manner.

[ˈævɪdli]

avionics

n

the science and technology of electronic systems and devices used in aviation and astronautics.

[ˌeɪ.viˈɑː.nɪks]

avocado

n

a tropical fruit with a thick, dark green or purple skin, soft, pale green flesh, and a large stone in the middle

[ˌævəˈkɑːdoʊ]

avocation

n

a hobby or minor occupation.

[ˌævəˈkeɪʃən]

avocational

adj

Relating to or being an activity done for pleasure, not as a main job.

[ˌæv.əˈkeɪ.ʃən.əl]

avoid

v

To stay away from or keep from happening.

[əˈvɔɪd]

avoidable

adj

Able to be avoided or prevented.

[əˈvɔɪdəbl̩]

avoidance

n

The action of keeping away from or not doing something.

[əˈvɔɪdəns]

avoided

v

To stay away from or keep oneself from doing something.

[əˈvɔɪdɪd]

avoider

n

A person or thing that avoids something.

[əˈvɔɪdər]

avow

v

To state openly and firmly; to acknowledge or admit something, often something one might be reluctant to admit.

[əˈvaʊ]

avowal

n

a statement in which you say or admit something that you believe, support, or intend to do

[əˈvaʊəl]

avowed

adj

Stated or admitted openly and without shame.

[əˈvaʊd]

avowedly

adv

in a way that is openly admitted or declared

[əˈvaʊ.ɪd.li]

avulsion

n

The action of pulling or tearing something away, especially a part of the body.

[əˈvʌlʃn]

avuncular

adj

Behaving in a kind and friendly way towards someone younger, like an uncle.

[əˈvʌŋkjələr]

aw

interj

Used to express mild protest, entreaty, sympathy, or sentiment.

[ɔː]

aw-shucks

adj

Deliberately or affectedly modest, self-deprecating, or folksy in manner

[ɔː ˈʃʌks]

await

v

To wait for or be in store for someone or something.

[əˈweɪt]

awaited

v

(past tense and past participle of 'await') to wait for or be in store for something

[əˈweɪtɪd]

awaiting

v

(transitive) To wait for or expect something or someone.

[əˈweɪtɪŋ]

awake

adj

Not sleeping

[əˈweɪk]

awaken

v

to stop sleeping; to wake from sleep

[əˈweɪkən]

awakened

adj

having been roused from sleep; no longer asleep.

[əˈweɪkənd]

awakening

n

The act of waking from sleep

[əˈweɪkənɪŋ]

award

v

To give something, such as a prize or payment, to someone as a result of an official decision.

[əˈwɔːrd]

award-winning

adj

Having won an award or awards; recognized for excellence.

[əˈwɔːrdˌwɪnɪŋ]

awarding

verb (present participle)

The act of giving something, such as a prize, money, or a contract, as a result of an official decision.

[əˈwɔːrdɪŋ]

aware

adj

Knowing or realizing something; having knowledge or perception of a situation or fact.

[əˈwer]

awareness

n

Knowledge or perception of a situation or fact.

[əˈwernəs]

awash

adj

covered or flooded with water, especially seawater.

[əˈwɑːʃ]

away

adv

to or at a distance from a particular place, person, or thing

[əˈweɪ]

awe

n

a feeling of great respect mixed with fear or wonder

[ɑː]

awe-inspiring

adj

causing feelings of great admiration, respect, or fear

[ˈɔː ɪnˌspaɪrɪŋ]

awe-struck

adj

filled with or showing a feeling of great respect and wonder mixed with fear

[ˈɑːstrʌk]

awed

adj

Feeling or showing a mixture of respect, fear, and wonder.

[ɔːd]

awesome

adj

extremely impressive or daunting; inspiring great admiration, apprehension, or fear.

[ˈɑːsəm]
English Words Starting with A – Page 26 | OpenEtymology