balloon

noun
bal·​loon | \ bə-ˈlün How to pronounce balloon (audio) \
plural balloons

Definition of balloon

 (Entry 1 of 3)

1 : a nonporous bag of light material that can be inflated especially with air or gas: such as
a : a bag that is filled with heated air or a gas lighter than air so as to rise and float in the atmosphere and that usually carries a suspended load (such as a gondola with passengers)
b : an inflatable bag (as of rubber or plastic) usually used as a toy or for decoration
c medical : a small bag that can be inflated (as in a bodily cavity) with air or gas More than 700,000 Americans undergo procedures in which clogged arteries are cleared out with a balloon and then propped open with a tiny metal scaffold called a stent.— Ron Winslow
2 : the outline enclosing words spoken or thought by a figure especially in a cartoon
go over like a lead balloon (US) or British go down like a lead balloon
informal
: to fail completely to impress or amuse other people Not surprisingly, his overt religiosity has proved a mixed blessing. While probably a winner on the stump, it has gone over like a lead balloon with journalists, liberals, and even many Jewish organizations.— Michelle Cottle But the last time I saw it on stage, in Ned Sherrin's 1996 revival, the dialogue bored me rigid and the whole thing … went down like a lead balloon.— David Nice

balloon

adjective

Definition of balloon (Entry 2 of 3)

1 : relating to, resembling, or suggesting a balloon a balloon sleeve
2 US : having or being a final installment that is much larger than preceding ones in a term or installment note a balloon note a balloon mortgage Got a commercial mortgage coming due? If the loan requires a balloon payment (as many such mortgages do), you may have a hard time refinancing …INC

balloon

verb
ballooned; ballooning; balloons

Definition of balloon (Entry 3 of 3)

intransitive verb

1 : to swell or puff out : expand ballooned to 200 pounds
2 : to ascend or travel in or as if in a balloon
3 : to increase rapidly ballooning prices

Examples of balloon in a Sentence

Noun I blew up a balloon but then it burst. brightly colored balloons and other party decorations Verb Their credit card debt ballooned to more than $5,000. the ballooning costs of education
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Recent Examples on the Web: Noun The third new balloon to fly high in the sky is a giant Ada Twist from the book and Netflix series Ada Twist, Scientist. Skyler Caruso, PEOPLE.com, 20 Nov. 2021 Her family let the balloon set loose, only for it to get stuck to a nearby tree. Ethan Millman, Rolling Stone, 14 Nov. 2021 That’s nearly impossible on Montezuma Mesa, though, given how jarringly the air bled from the balloon in 12 months. San Diego Union-Tribune, 11 Nov. 2021 The hot-air balloon reached a peak altitude of 4,016 meters (13,175 feet). Washington Post, 10 Nov. 2021 Is the balloon more inflated than the floater that imploded 15 years ago in the U.S., as Aliber believes? Shawn Tully, Fortune, 10 Nov. 2021 Once in place, the balloon is inflated to open the artery and position the stent. Richard A. Marini, San Antonio Express-News, 8 Nov. 2021 The balloon has registered previous commercial flight. J. George Gorant, Robb Report, 4 Nov. 2021 One likened the process to pushing in one side of a balloon only to see the opposite side bulge out. Bryan Schott, The Salt Lake Tribune, 1 Nov. 2021 Recent Examples on the Web: Verb The war has cost the United States more than $2 trillion, a number that is expected to balloon, due to interest. Jenny Singer, Glamour, 19 Aug. 2021 Some patients develop heart rhythm abnormalities or aneurysms, in which artery walls balloon out and threaten to burst. Liz Szabo, PEOPLE.com, 21 Oct. 2021 Some patients develop heart rhythm abnormalities or aneurysms, in which artery walls balloon out and threaten to burst. NBC News, 20 Oct. 2021 By that set-up, in a dream scenario, Lore believes Telosa's desert land would eventually balloon in value to be worth $1 trillion. Scott Gleeson, USA TODAY, 18 Oct. 2021 Migrants from all over found their way to Stratford for seasonal work, causing the town’s population to balloon. Los Angeles Times, 6 Oct. 2021 Without such knowledge being known in advance, engineering teams can find themselves in trouble financially as cloud computing costs gradually balloon overtime. Frederick Daso, Forbes, 23 Sep. 2021 Taxpayers covered $432 million of the Soldier Field renovation project, a figure that will balloon substantially once the hundreds of millions of dollars in debt and interest are paid off in 2032. Bill Ruthhart, chicagotribune.com, 29 Sep. 2021 Other governments around the country are beginning to put in place similar arrangements as well, as the highly contagious delta variant has caused cases to balloon in recent weeks. Michael D. Shear New York Times, Star Tribune, 28 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'balloon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of balloon

Noun

1783, in the meaning defined at sense 1

Adjective

1784, in the meaning defined at sense 1

Verb

1784, in the meaning defined at intransitive sense 1

History and Etymology for balloon

Noun

French ballon large football, balloon, from Italian dialect ballone large football, augmentative of balla ball, of Germanic origin; akin to Old High German balla ball — more at ball

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Time Traveler for balloon

Time Traveler

The first known use of balloon was in 1783

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Dictionary Entries Near balloon

ballonné

balloon

balloon angioplasty

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Statistics for balloon

Last Updated

29 Nov 2021

Cite this Entry

“Balloon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/balloon. Accessed 30 Nov. 2021.

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More Definitions for balloon

balloon

noun

English Language Learners Definition of balloon

 (Entry 1 of 2)

: a thin usually rubber bag that becomes larger when it is filled with air or gas
: a picture or space in a cartoon that contains words that are spoken or thought by a character

balloon

verb

English Language Learners Definition of balloon (Entry 3 of 2)

: to become bigger quickly

balloon

noun
bal·​loon | \ bə-ˈlün How to pronounce balloon (audio) \

Kids Definition of balloon

 (Entry 1 of 2)

1 : a bag that rises and floats above the ground when filled with heated air or with a gas that is lighter than air
2 : a toy or decoration consisting of a rubber bag that can be blown up with air or gas
3 : an outline containing words spoken or thought by a character (as in a cartoon)

balloon

verb
ballooned; ballooning

Kids Definition of balloon (Entry 2 of 2)

: to swell or puff out

balloon

noun
bal·​loon | \ bə-ˈlün How to pronounce balloon (audio) \

Medical Definition of balloon

 (Entry 1 of 2)

: a nonporous bag of tough light material that can be inflated (as in a bodily cavity) with air or gas gastroesophageal tamponade by introduction of a balloon into the stomach

balloon

transitive verb

Medical Definition of balloon (Entry 2 of 2)

: to inflate or distend like a balloon

intransitive verb

: to swell or puff out

balloon

adjective
bal·​loon

Legal Definition of balloon

: being or having a final installment that is much larger than preceding ones in an installment or term loan a balloon payment

Note: In contrast to an amortized loan, a balloon loan is generally repaid in periodic payments of interest and a large, lump sum payment of principal at the end of the term.

More from Merriam-Webster on balloon

Nglish: Translation of balloon for Spanish Speakers

Britannica English: Translation of balloon for Arabic Speakers

Britannica.com: Encyclopedia article about balloon

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