Alphabetical word directory
English words starting with A
Showing words 961–1,080 of 3,162. Choose a word to read its meaning, etymology and origin.
air-filled
adjContaining air or filled with air.
air-force
nThe branch of a nation's armed forces that conducts military operations in the air, primarily through the use of aircraft.
air-fuel
adjRelating to or involving a mixture of air and fuel, especially in an internal combustion engine.
air-launched
adjDesigned to be fired or released from an aircraft or missile while in flight.
air-pollution
nthe contamination of the atmosphere by harmful substances, especially from vehicles, factories, and power stations.
air-quality
nthe degree to which the air in a particular place is clean and free from pollution.
air-raid
nAn attack by military aircraft that drop bombs on a place.
air-to-air
adjoperating from one aircraft or missile to another while both are in flight
air-to-ground
adj(of weapons, communications, etc.) directed or operating from an aircraft to a target or station on the ground
air-traffic
nThe movement of aircraft flying in a particular region or along a particular route, especially as controlled by ground personnel.
air-traffic-control
nThe system or service responsible for managing the safe and orderly movement of aircraft on the ground and in the airspace.
airbag
na safety device in a vehicle that fills with air quickly in a collision to protect the driver or passenger from being thrown forward.
airbase
nan airport or airfield used as a base by military aircraft.
airboat
na flat-bottomed boat powered by an aircraft engine and propeller mounted above the stern, designed for travelling over shallow water, swamps, or marshes.
airborne
adjcarried or transported by the air
airbrush
na device that uses compressed air to spray a fine mist of paint or other liquid.
airbrushed
adj(of a photograph or image) altered using an airbrush to remove imperfections or create a perfect, often unrealistic, appearance.
airburst
nAn explosion of a bomb or projectile in the air, above the ground.
aircar
nA vehicle designed to travel through the air, especially one that is also capable of landing and driving on roads.
aircraft
nA vehicle that can fly, such as an airplane or helicopter.
aircrew
nthe group of people who work together on an aircraft while it is flying
airdrop
na delivery of supplies, equipment, or people by parachute from an aircraft.
aired
v(past tense and past participle of "air") to express an opinion, idea, or complaint publicly
airfare
nthe price charged for a journey by airplane.
airfield
nA piece of land where aircraft can take off and land, typically with minimal facilities compared to an airport.
airflow
nthe flow or movement of air
airfoil
na structure with a curved surface, like a wing, designed to give an aircraft lift in flight.
airframe
nthe main structure of an aircraft, such as the fuselage, wings, and undercarriage, excluding the engine and instruments.
airhead
na stupid or foolish person
airily
advin a way that is cheerful, casual, and light-hearted, sometimes seeming not to care about serious matters.
airiness
nthe quality of being light and full of fresh air
airing
nthe act of exposing something to the air, especially to make it fresh or dry
airless
adjlacking fresh air; stuffy.
airlift
nan operation organized to move supplies or people by aircraft, especially in an emergency or when land routes are blocked
airline
na company that provides regular flights for passengers and goods
airliner
na large passenger aircraft operated by an airline.
airlock
nA 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.
airmail
nThe system of sending letters and parcels by aircraft.
airman
na member of the air force, especially one who is not an officer.
airplane
na powered flying vehicle with fixed wings and a weight greater than that of the air it displaces.
airplay
nThe broadcasting of music, especially on the radio.
airport
nA complex of runways and buildings for the takeoff, landing, and maintenance of civil aircraft, with facilities for passengers.
airpower
nThe total military strength of a nation or force that can be delivered by aircraft and missiles.
airshaft
nA vertical or inclined passage for ventilation or light, as in a mine, tunnel, or building.
airship
nA large aircraft without wings, filled with gas to make it float, and driven by engines.
airsick
adjfeeling sick because of the movement of an aircraft
airsickness
na feeling of nausea and dizziness caused by the motion of an aircraft during flight.
airspace
nThe part of the sky that is above a particular country and is controlled by that country.
airspeed
nthe speed of an aircraft relative to the air through which it is moving.
airstream
na current of air, especially one moving in a particular direction.
airstrike
na military attack in which aircraft drop bombs or fire missiles at a target on the ground.
airstrip
na long, flat piece of land where aircraft can take off and land, often without a permanent runway or buildings.
airtight
adjnot allowing air to enter or escape.
airtime
nThe amount of time that is paid for or available for broadcasting on radio or television.
airwaves
nthe radio waves used for broadcasting radio and television programs
airway
nthe passage by which air reaches a person's lungs
airworthiness
nThe quality or state of being safe and fit to fly, as determined by meeting established standards and regulations.
airworthy
adj(of an aircraft) in a safe and fit condition to fly.
airy
adjConsisting of or resembling air; light and delicate or insubstantial.
aisle
na passage between rows of seats in a building such as a church or theatre, an aircraft, or a train.
ajar
adj(of a door or other opening) slightly open
akin
adjRelated by blood; descended from a common ancestor.
akkadian
adjOf or relating to ancient Mesopotamia, its people, or the language spoken there, especially the language of the Assyrians and Babylonians.
al-Qaeda
propnA militant Islamist organization founded by Osama bin Laden, known for carrying out terrorist attacks worldwide.
al-qaida
propnA militant Islamist organization founded by Osama bin Laden, known for carrying out terrorist attacks worldwide.
alabaster
na translucent, usually white, fine-grained variety of gypsum, used for carving ornaments.
alacrity
nbrisk and cheerful readiness
Alamo
nA mission fortress in San Antonio, Texas, besieged and captured by Mexican forces in 1836 during the Texas Revolution.
alar
adjRelating to or resembling a wing or wings.
alarm
na loud noise or signal that warns people of danger or a problem
alarmed
adjfeeling frightened or worried that something unpleasant or dangerous might happen.
alarming
adjcausing worry or fear
alarmingly
advin a worrying or disturbing manner
alarmism
nThe act of exaggerating a danger or threat, or the tendency to do so, thereby causing needless public fear or anxiety.
alarmist
na person who spreads unnecessary fear or worry by exaggerating dangers or problems
alas
interjAn expression of sadness, regret, grief, or pity.
Alaskan
adjRelating to or characteristic of the US state of Alaska or its inhabitants.
albacore
nA large type of tuna with long pectoral fins and pale pink flesh, highly valued for canning.
Albanian
adjRelating to Albania, its people, or their language.
albatross
na very large, chiefly white seabird with long, narrow wings, found mainly in the southern oceans.
albedo
nthe proportion of light or radiation that is reflected by a surface, especially of a planet or moon.
albeit
conjAlthough; even though.
albinism
nA condition characterized by a lack of pigment in the skin, hair, and eyes, often causing pale features and sensitivity to light.
albino
nA person or animal with a congenital absence of pigment in the skin and hair (which are white) and the eyes (which are typically pink).
albopictu
nA 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.
album
na book with empty pages in which you can collect things such as photographs or stamps
albumin
nA simple form of protein that is soluble in water and coagulable by heat, found especially in egg white, blood serum, and milk.
alcalde
nA mayor or chief magistrate of a Spanish, Mexican, or Southwestern U.S. town.
alchemical
adjRelating 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.
alchemist
nA person who studied or practiced an early form of chemistry, especially one who tried to change ordinary metals into gold.
alchemy
na 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.
alcohol
na clear liquid that can make you drunk, also used as a solvent and in fuels.
alcohol-based
adjcontaining or using alcohol as a primary ingredient or solvent.
alcohol-free
adjcontaining no alcohol
alcohol-fueled
adjpowered by or using alcohol as fuel
alcohol-induced
adjcaused by or resulting from the consumption of alcohol
alcohol-related
adjconnected with or caused by the drinking of alcohol
alcoholic
adjcontaining or relating to alcohol
alcoholism
na medical condition in which someone frequently drinks too much alcohol and cannot stop easily, causing harm to their health and life.
alcove
nA small recessed section of a room or garden.
aldehyde
nAn organic compound containing the group –CHO, formed by the oxidation of alcohols.
alder
nA type of tree or shrub of the birch family that typically grows in moist ground, with toothed leaves and woody, cone-like fruits.
alderman
nA member of a municipal legislative body in some English-speaking countries, especially in the UK and US, typically ranking below the mayor.
ale
nAn alcoholic drink made from malt and flavored with hops, similar to but typically heavier and more bitter than beer.
aleatory
adjDepending on chance, luck, or an uncertain outcome.
alehouse
nA place where ale is sold and drunk; a tavern.
alendronate
nA synthetic drug used to treat and prevent osteoporosis by inhibiting bone resorption.
aleph
nThe first letter of the Hebrew alphabet.
alert
adjQuick to notice and respond to danger or problems; watchful.
alerted
verb (past tense, past participle)Made someone aware of a potential danger or problem.
alertly
advIn a watchful, quick, and attentive manner.
alertness
nThe state of being watchful and ready to deal with danger or difficulty.
alewife
na north american fish of the herring family, important commercially.
alfalfa
na plant with small divided leaves and purple flowers, grown as food for farm animals
alga
nA simple, non-flowering plant that grows in or near water, including seaweeds and many single-celled forms.
algae
nSimple, non-flowering plants that live in water or damp places, often forming a green film on surfaces.
algal
adjRelating to, consisting of, or resembling algae.
algebra
nA branch of mathematics in which letters and symbols are used to represent numbers and quantities in formulae and equations.
algebraic
adjof or relating to algebra, or using algebra.
Algerian
adjRelating to Algeria or its people