Meaning of “balloon” in the English Dictionary

"balloon" in British English

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balloonnoun [ C ]

uk /bəˈluːn/ us /bəˈluːn/

A2 a small, very thin rubber bag that you blow air into or fill with a light gas until it is round in shape, used for decoration at parties or as a children's toy:

We tied balloons and streamers to the ceiling ready for the party.

also hot-air balloon a very large balloon that is filled with hot air or gas and can carry people in a basket (= open container ) hanging under it:

People first flew in a balloon in 1783.

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balloonverb [ I ]

uk /bəˈluːn/ us /bəˈluːn/

(Definition of “balloon” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"balloon" in American English

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balloonnoun [ C ]

us /bəˈlun/

a small, thin, rubber bag that you can fill with air or another gas until it is round in shape, often used for decoration at parties or as a child’s toy

A balloon is also a very large, round container filled with a gas that can rise in the air and carry people riding under it in an attached box.

balloonverb [ I ]

us /bəˈlun/

to become larger, esp. quickly:

The rumors soon ballooned into (= quickly became) a full-grown scandal.

(Definition of “balloon” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"balloon" in Business English

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balloonnoun [ C ]

uk /bəˈluːn/ us FINANCE

a type of loan that is paid back in regular small payments with a final larger payment:

What we're seeing are interest-only, balloon mortgages with no money down.
Only select a balloon over an adjustable rate mortgage if you are sure that you will be able to meet the final payment.

a balloon payment :

Some borrowers may not be informed that balloon payments lurk ahead.

balloonverb [ I ]

uk /bəˈluːn/ us

to quickly increase in size or importance:

The decline in sales to America caused the goods trade deficit to balloon to a record £4 billion.

(Definition of “balloon” from the Cambridge Business English Dictionary © Cambridge University Press)