Alphabetical word directory

English words starting with A

Showing words 9611,080 of 3,162. Choose a word to read its meaning, etymology and origin.

air-filled

adj

Containing air or filled with air.

[ˈer fɪld]

air-force

n

The branch of a nation's armed forces that conducts military operations in the air, primarily through the use of aircraft.

[ˈer fɔːrs]

air-fuel

adj

Relating to or involving a mixture of air and fuel, especially in an internal combustion engine.

[ˈer fjuːəl]

air-launched

adj

Designed to be fired or released from an aircraft or missile while in flight.

[ˈɛr lɔːntʃt]

air-pollution

n

the contamination of the atmosphere by harmful substances, especially from vehicles, factories, and power stations.

[ˈer pəˌluːʃən]

air-quality

n

the degree to which the air in a particular place is clean and free from pollution.

[ˈerˌkwɑːləti]

air-raid

n

An attack by military aircraft that drop bombs on a place.

[ˈer reɪd]

air-to-air

adj

operating from one aircraft or missile to another while both are in flight

[ˌer.tuˈer]

air-to-ground

adj

(of weapons, communications, etc.) directed or operating from an aircraft to a target or station on the ground

[ˌer.t̬əˈɡraʊnd]

air-traffic

n

The movement of aircraft flying in a particular region or along a particular route, especially as controlled by ground personnel.

[ˈer ˌtræfɪk]

air-traffic-control

n

The system or service responsible for managing the safe and orderly movement of aircraft on the ground and in the airspace.

[ˈer ˌtræfɪk kənˌtroʊl]

airbag

n

a safety device in a vehicle that fills with air quickly in a collision to protect the driver or passenger from being thrown forward.

[ˈerbæɡ]

airbase

n

an airport or airfield used as a base by military aircraft.

[ˈerbeɪs]

airboat

n

a flat-bottomed boat powered by an aircraft engine and propeller mounted above the stern, designed for travelling over shallow water, swamps, or marshes.

[ˈerbəʊt]

airborne

adj

carried or transported by the air

[ˈerbɔːrn]

airbrush

n

a device that uses compressed air to spray a fine mist of paint or other liquid.

[ˈerbrʌʃ]

airbrushed

adj

(of a photograph or image) altered using an airbrush to remove imperfections or create a perfect, often unrealistic, appearance.

[ˈerbrʌʃt]

airburst

n

An explosion of a bomb or projectile in the air, above the ground.

[ˈerbɜːrst]

aircar

n

A vehicle designed to travel through the air, especially one that is also capable of landing and driving on roads.

[ˈɛrˌkɑr]

aircraft

n

A vehicle that can fly, such as an airplane or helicopter.

[ˈerkræft]

aircrew

n

the group of people who work together on an aircraft while it is flying

[ˈerkruː]

airdrop

n

a delivery of supplies, equipment, or people by parachute from an aircraft.

[ˈerdrɑːp]

aired

v

(past tense and past participle of "air") to express an opinion, idea, or complaint publicly

[erd]

airfare

n

the price charged for a journey by airplane.

[ˈerfer]

airfield

n

A piece of land where aircraft can take off and land, typically with minimal facilities compared to an airport.

[ˈerfiːld]

airflow

n

the flow or movement of air

[ˈerfloʊ]

airfoil

n

a structure with a curved surface, like a wing, designed to give an aircraft lift in flight.

[ˈer.fɔɪl]

airframe

n

the main structure of an aircraft, such as the fuselage, wings, and undercarriage, excluding the engine and instruments.

[ˈerfreɪm]

airhead

n

a stupid or foolish person

[ˈerhed]

airily

adv

in a way that is cheerful, casual, and light-hearted, sometimes seeming not to care about serious matters.

[ˈerɪli]

airiness

n

the quality of being light and full of fresh air

[ˈer.i.nəs]

airing

n

the act of exposing something to the air, especially to make it fresh or dry

[ˈerɪŋ]

airless

adj

lacking fresh air; stuffy.

[ˈerləs]

airlift

n

an operation organized to move supplies or people by aircraft, especially in an emergency or when land routes are blocked

[ˈerlɪft]

airline

n

a company that provides regular flights for passengers and goods

[ˈɛrlaɪn]

airliner

n

a large passenger aircraft operated by an airline.

[ˈerlaɪnər]

airlock

n

A sealed chamber with two airtight doors that allows passage between spaces of different air pressures, especially between a spacecraft and outer space or between a sterile environment and a non-sterile one.

[ˈerlɑːk]

airmail

n

The system of sending letters and parcels by aircraft.

[ˈermeɪl]

airman

n

a member of the air force, especially one who is not an officer.

[ˈermən]

airplane

n

a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces.

[ˈerpleɪn]

airplay

n

The broadcasting of music, especially on the radio.

[ˈerpleɪ]

airport

n

A complex of runways and buildings for the takeoff, landing, and maintenance of civil aircraft, with facilities for passengers.

[ˈerpɔːrt]

airpower

n

The total military strength of a nation or force that can be delivered by aircraft and missiles.

[ˈerpaʊər]

airshaft

n

A vertical or inclined passage for ventilation or light, as in a mine, tunnel, or building.

[ˈerʃæft]

airship

n

A large aircraft without wings, filled with gas to make it float, and driven by engines.

[ˈerʃɪp]

airsick

adj

feeling sick because of the movement of an aircraft

[ˈersɪk]

airsickness

n

a feeling of nausea and dizziness caused by the motion of an aircraft during flight.

[ˈerˌsɪknəs]

airspace

n

The part of the sky that is above a particular country and is controlled by that country.

[ˈerspeɪs]

airspeed

n

the speed of an aircraft relative to the air through which it is moving.

[ˈerspiːd]

airstream

n

a current of air, especially one moving in a particular direction.

[ˈerstriːm]

airstrike

n

a military attack in which aircraft drop bombs or fire missiles at a target on the ground.

[ˈerstraɪk]

airstrip

n

a long, flat piece of land where aircraft can take off and land, often without a permanent runway or buildings.

[ˈerstrɪp]

airtight

adj

not allowing air to enter or escape.

[ˈertaɪt]

airtime

n

The amount of time that is paid for or available for broadcasting on radio or television.

[ˈertaɪm]

airwaves

n

the radio waves used for broadcasting radio and television programs

[ˈerweɪvz]

airway

n

the passage by which air reaches a person's lungs

[ˈerweɪ]

airworthiness

n

The quality or state of being safe and fit to fly, as determined by meeting established standards and regulations.

[ˈerˌwɜːrðinəs]

airworthy

adj

(of an aircraft) in a safe and fit condition to fly.

[ˈerˌwɜːrði]

airy

adj

Consisting of or resembling air; light and delicate or insubstantial.

[ˈeri]

aisle

n

a passage between rows of seats in a building such as a church or theatre, an aircraft, or a train.

[aɪl]

ajar

adj

(of a door or other opening) slightly open

[əˈdʒɑːr]

akin

adj

Related by blood; descended from a common ancestor.

[əˈkɪn]

akkadian

adj

Of or relating to ancient Mesopotamia, its people, or the language spoken there, especially the language of the Assyrians and Babylonians.

[əˈkeɪ.di.ən]

al-Qaeda

propn

A militant Islamist organization founded by Osama bin Laden, known for carrying out terrorist attacks worldwide.

[æl ˈkaɪdə]

al-qaida

propn

A militant Islamist organization founded by Osama bin Laden, known for carrying out terrorist attacks worldwide.

[æl ˈkaɪdə]

alabaster

n

a translucent, usually white, fine-grained variety of gypsum, used for carving ornaments.

[ˈæləbæstər]

alacrity

n

brisk and cheerful readiness

[əˈlækrəti]

Alamo

n

A mission fortress in San Antonio, Texas, besieged and captured by Mexican forces in 1836 during the Texas Revolution.

[ˈæləmoʊ]

alar

adj

Relating to or resembling a wing or wings.

[ˈeɪlər]

alarm

n

a loud noise or signal that warns people of danger or a problem

[əˈlɑːrm]

alarmed

adj

feeling frightened or worried that something unpleasant or dangerous might happen.

[əˈlɑːrmd]

alarming

adj

causing worry or fear

[əˈlɑːrmɪŋ]

alarmingly

adv

in a worrying or disturbing manner

[əˈlɑːrmɪŋli]

alarmism

n

The act of exaggerating a danger or threat, or the tendency to do so, thereby causing needless public fear or anxiety.

[əˈlɑːr.mɪ.zəm]

alarmist

n

a person who spreads unnecessary fear or worry by exaggerating dangers or problems

[əˈlɑːrmɪst]

alas

interj

An expression of sadness, regret, grief, or pity.

[əˈlæs]

Alaskan

adj

Relating to or characteristic of the US state of Alaska or its inhabitants.

[əˈlæskən]

albacore

n

A large type of tuna with long pectoral fins and pale pink flesh, highly valued for canning.

[ˈælbəkɔːr]

Albanian

adj

Relating to Albania, its people, or their language.

[ælˈbeɪ.ni.ən]

albatross

n

a very large, chiefly white seabird with long, narrow wings, found mainly in the southern oceans.

[ˈælbətrɔːs]

albedo

n

the proportion of light or radiation that is reflected by a surface, especially of a planet or moon.

[ælˈbiːdoʊ]

albeit

conj

Although; even though.

[ɔːlˈbiːɪt]

albinism

n

A condition characterized by a lack of pigment in the skin, hair, and eyes, often causing pale features and sensitivity to light.

[ˈælbɪˌnɪzəm]

albino

n

A person or animal with a congenital absence of pigment in the skin and hair (which are white) and the eyes (which are typically pink).

[ælˈbaɪnoʊ]

albopictu

n

A species of mosquito (Aedes albopictus), characterized by distinctive white markings on its body and legs, native to Southeast Asia but now widespread, known as a vector for several viral diseases.

[ˌælboʊˈpɪktəs]

album

n

a book with empty pages in which you can collect things such as photographs or stamps

[ˈælbəm]

albumin

n

A simple form of protein that is soluble in water and coagulable by heat, found especially in egg white, blood serum, and milk.

[ælˈbjuːmən]

alcalde

n

A mayor or chief magistrate of a Spanish, Mexican, or Southwestern U.S. town.

[ɑːlˈkɑːldeɪ]

alchemical

adj

Relating to or characteristic of alchemy, the medieval forerunner of chemistry concerned with the transmutation of matter and the search for an elixir of life and a universal solvent.

[ælˈkemɪkəl]

alchemist

n

A person who studied or practiced an early form of chemistry, especially one who tried to change ordinary metals into gold.

[ˈælkəmɪst]

alchemy

n

a form of chemistry studied in the middle ages that involved trying to discover how to change ordinary metals into gold and to find an elixir to make people live forever.

[ˈælkəmi]

alcohol

n

a clear liquid that can make you drunk, also used as a solvent and in fuels.

[ˈælkəhɔːl]

alcohol-based

adj

containing or using alcohol as a primary ingredient or solvent.

[ˈælkəhɔːl beɪst]

alcohol-free

adj

containing no alcohol

[ˈælkəhɔːl friː]

alcohol-fueled

adj

powered by or using alcohol as fuel

[ˈælkəhɒl ˈfjuːəld]

alcohol-induced

adj

caused by or resulting from the consumption of alcohol

[ˈælkəhɔːl ɪnˈduːst]

alcohol-related

adj

connected with or caused by the drinking of alcohol

[ˈælkəhɔːl rɪˈleɪtɪd]

alcoholic

adj

containing or relating to alcohol

[ˌælkəˈhɑːlɪk]

alcoholism

n

a medical condition in which someone frequently drinks too much alcohol and cannot stop easily, causing harm to their health and life.

[ˈælkəhɔːlɪzəm]

alcove

n

A small recessed section of a room or garden.

[ˈælkoʊv]

aldehyde

n

An organic compound containing the group –CHO, formed by the oxidation of alcohols.

[ˈældəˌhaɪd]

alder

n

A type of tree or shrub of the birch family that typically grows in moist ground, with toothed leaves and woody, cone-like fruits.

[ˈɔːldər]

alderman

n

A member of a municipal legislative body in some English-speaking countries, especially in the UK and US, typically ranking below the mayor.

[ˈɔːldərmən]

ale

n

An alcoholic drink made from malt and flavored with hops, similar to but typically heavier and more bitter than beer.

[eɪl]

aleatory

adj

Depending on chance, luck, or an uncertain outcome.

[ˈeɪ.li.ə.tɔːr.i]

alehouse

n

A place where ale is sold and drunk; a tavern.

[ˈeɪlhaʊs]

alendronate

n

A synthetic drug used to treat and prevent osteoporosis by inhibiting bone resorption.

[əˈlɛndrəˌneɪt]

aleph

n

The first letter of the Hebrew alphabet.

[ˈɑːlɪf]

alert

adj

Quick to notice and respond to danger or problems; watchful.

[əˈlɜːrt]

alerted

verb (past tense, past participle)

Made someone aware of a potential danger or problem.

[əˈlɜːrtɪd]

alertly

adv

In a watchful, quick, and attentive manner.

[əˈlɜːrtli]

alertness

n

The state of being watchful and ready to deal with danger or difficulty.

[əˈlɜːrtnəs]

alewife

n

a north american fish of the herring family, important commercially.

[ˈeɪlwaɪf]

alfalfa

n

a plant with small divided leaves and purple flowers, grown as food for farm animals

[ælˈfælfə]

alga

n

A simple, non-flowering plant that grows in or near water, including seaweeds and many single-celled forms.

[ˈælɡə]

algae

n

Simple, non-flowering plants that live in water or damp places, often forming a green film on surfaces.

[ˈæl.dʒiː]

algal

adj

Relating to, consisting of, or resembling algae.

[ˈælɡəl]

algebra

n

A branch of mathematics in which letters and symbols are used to represent numbers and quantities in formulae and equations.

[ˈældʒəbrə]

algebraic

adj

of or relating to algebra, or using algebra.

[ˌældʒəˈbreɪɪk]

Algerian

adj

Relating to Algeria or its people

[ælˈdʒɪriən]
English Words Starting with A – Page 9 | OpenEtymology