Did you know?

Click any word in a definition or example to find the entry for that word

ballooning - definition and synonyms


What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

noun [uncountable] ballooning pronunciation in British English /bəˈluːnɪŋ/

Related words

  1. From our crowdsourced Open Dictionary
    when spiders move to a new area by sending out silk threads allowing them to be carried on air currents

    It's unclear what spurs these spiders take to the skies in what are called mass ballooning events.

    Submitted from United Kingdom on 27/05/2015

derived word


noun [countable]
Word Forms

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play