balloon - definition and synonyms

noun [countable] 

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  1. 1
    a small coloured bag of thin rubber that you fill with air, used as a child’s toy or a decoration
    1. a.
      a large strong bag filled with gas or hot air that can float in the air. Some balloons have a large basket hanging under them in which people can travel

      a balloon flight

       Synonyms and related words
  2.   From our crowdsourced Open Dictionary
    the balloon goes up if the balloon goes up, a ​situationsuddenly ​becomes extremely ​serious or ​badSubmitted by Caleb Judy from United States on 06/09/2015
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