Balloon Definition

bə-lo͝on
ballooned, ballooning, balloons
noun
balloons
A flexible bag designed to be inflated with hot air or with a gas, such as helium, that is lighter than the surrounding air, causing it to rise and float in the atmosphere.
American Heritage
An airtight bag that rises and floats above the earth when filled with hot air or a gas lighter than air, such as hydrogen or helium.
Webster's New World
Such a bag with sufficient capacity to lift and transport a suspended gondola or other load.
American Heritage
A bag of this sort with an attached car or gondola for carrying passengers or instruments.
Webster's New World
Such a bag shaped like a figure or object when inflated; an inflatable.
American Heritage
Synonyms:
verb
ballooned, ballooning, balloons
To ascend or ride in a balloon.
American Heritage
To cause to swell like a balloon; inflate.
Webster's New World
To ride in a balloon.
Webster's New World
To expand or swell out like a balloon.
American Heritage
To swell; expand.
Webster's New World
adjective
Suggestive of a balloon, as in shape.
Balloon curtains.
American Heritage
Of or having to do with a balloon or balloons.
Webster's New World
Like a balloon; round and soft, inflatable, etc.
Webster's New World

Other Word Forms of Balloon

Noun

Singular:
balloon
Plural:
balloons

Origin of Balloon

  • 1570, "a game played with a large, inflated leather ball" (possibly via Middle French ballon) from Italian pallone "large ball" from palla "ball", from Lombardic palla "ball" from Proto-Germanic *ballô (“ball”), from Proto-Indo-European *bholn- (“bubble”), from Proto-Indo-European *bhel- (“to blow, swell, inflate”). Akin to Old High German ballo, bal "ball" (German Ballen "bale"; Ball "ball"). More at ball.

    From Wiktionary

  • French ballon from Italian dialectal ballone augmentative of balla ball of Germanic origin bhel-2 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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