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air·play noun : the playing of a musical recording on the air by a radio station

air pocket noun : a condition of the atmosphere that causes an airplane to drop suddenly

air police noun : the military police of an air force

air·port noun : a place from which aircraft operate that usu. has paved runways and a terminal

air raid noun : an attack by armed airplanes on a surface target

air·ship noun : a lighter-than-air aircraft having propulsion and steering systems

air·sick adjective : affected with motion sickness associated with flying

— air·sick·ness noun

air·space noun : the space above a nation and under its jurisdiction

air·speed noun : the speed of an object (as an airplane) with relation to the surrounding air

air·strip noun : a runway without normal airport facilities

air·tight adjective 1 : so tightly sealed that no air can enter or escape

2 : leaving no opening for attack

air–to–air adjective : launched from one airplane in flight at another; also : involving aircraft in flight

air·waves noun plural : AIR 9

air·way noun 1 : a regular route for airplanes

2 : AIRLINE

air·wor·thy adjective : fit for operation in the air

— air·wor·thi·ness noun

airy adjective air·i·er; -est 1 : high in the air : LOFTY

2 : lacking in reality : EMPTY

3 : exceptionally light, delicate, or refined

4 : BREEZY

Synonyms

[3] ethereal, fluffy, light; also dainty, delicate, downy, feathery, flimsy, insubstantial, tender, wispy

Antonyms

heavy, leaden

aisle noun [ORIGIN: ME ile, fr. AF ele, lit., wing, fr. L ala]

1 : the side of a church nave separated by piers from the nave proper

2 : a passage between sections of seats

ajar adjective or adverb : partly open

AK abbreviation Alaska

aka abbreviation also known as

AKC abbreviation American Kennel Club

akim·bo adjective or adverb : having the hand on the hip and the elbow turned outward

akin adjective 1 : related by blood

2 : essentially similar or related

Synonyms

[1] kindred, related—more at RELATED

[2] alike, analogous, comparable, correspondent, like, parallel, similar—more at ALIKE

Al symbol aluminum

AL abbreviation 1 Alabama

2 American League

3 American Legion

1-al adjective suffix : of, relating to, or characterized by

2-al noun suffix : action : process

Ala abbreviation Alabama

al·a·bas·ter noun 1 : a compact fine-textured usu. white and translucent gypsum often carved into objects (as vases)

2 : a hard translucent calcite

à la carte adverb or adjective [ORIGIN: F]

: with a separate price for each item on the menu

alac·ri·ty noun : cheerful readiness

Synonyms

gameness, goodwill, willingness; also celebrity, quickness, rapidity, speed, swiftness

à la mode adjective [ORIGIN: F, according to the fashion]

1 : conforming to the custom, fashion, or established mode : STYLISH

2 : topped with ice cream

Synonyms

chic, fashionable, in, modish, sharp, smart, snappy, stylish—more at STYLISH

1alarm also ala·rum noun [ORIGIN: ME alarme, fr. MF, fr. OIt all'arme, lit., to arms]

1 : a warning signal or device

2 : the terror caused by sudden danger

Synonyms

[1] admonition, alert, caution, notice, warning—more at WARNING

[2] anxiety, apprehension, dread, fear, fright, horror, panic, terror, trepidation—more at FEAR

2alarm also alarum verb 1 : to warn of danger

2 : to strike with fear : FRIGHTEN

Synonyms

frighten, horrify, panic, scare, shock, spook, startle, terrify, terrorize—more at FRIGHTEN

alarm·ist noun : a person who alarms others esp. needlessly

alas interjection — used to express unhappiness, pity, or concern

al·ba·core noun, plural -core or -cores : a large tuna that is a source of canned tuna

Al·ba·nian noun : a native or inhabitant of Albania

al·ba·tross noun, plural -tross or -tross·es : any of a family of large web-footed seabirds

al·be·do noun, plural -dos : the fraction of incident