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Definition of balloon noun from the Oxford Advanced Learner's Dictionary

balloon

noun
 
/bəˈluːn/
 
/bəˈluːn/
Idioms
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  1. a small bag made of very thin rubber that becomes larger and rounder when you fill it with air or gas. Balloons are brightly coloured and used as decorations or toys.
    • to blow up/burst/pop a balloon
    • My balloon has burst!
    • A thousand balloons were released to mark the event.
    • They tied the balloons to the back of the car.
    • helium balloons for the children's party
    compare trial balloonTopics Games and toysb2
    Oxford Collocations Dictionaryadjective
    • helium
    • water
    • colourful/​colorful
    verb + balloon
    • blow up
    • inflate
    • burst
    balloon + verb
    • burst
    • pop
    See full entry
  2. (also hot-air balloon)
    a large balloon made of strong material that is filled with hot air or gas to make it rise in the air, usually carrying a basket for passengers
    • We went up in a balloon.
    • She crossed the Atlantic in a hot-air balloon.
    see also spy balloonTopics Transport by airb2
    Oxford Collocations Dictionaryadjective
    • barrage
    • hot-air
    • weather
    verb + balloon
    • go up in
    • launch
    • release
    balloon + verb
    • float by
    • float over
    • float up
    balloon + noun
    • flight
    • race
    preposition
    • in a balloon
    See full entry
  3. Word Originlate 16th cent. (originally denoting a game played with a large inflated leather ball): from French ballon or Italian ballone ‘large ball’.
Idioms
go down like a lead balloon
  1. (informal) to be very unsuccessful; to not be accepted by people
    • My suggestion went down like a lead balloon.
    Topics Difficulty and failurec2
when the balloon goes up
  1. (British English, informal) when the trouble that you are expecting begins
    • We have to get out of here before the balloon goes up!
See balloon in the Oxford Advanced American Dictionary
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