65 entries under expression topic. ×

1
bug out(adjective, swell, bulky, sag)
1
build up(verb, increase, raise, swell)
1
catch the wind(idiom, swell, fill, bulge)
1
ebb and flow(idiom, swell, fill, surge)
1
flesh out(verb, increase, raise, boost)
1
grow larger(verb, increase, rise, issue)
1
grow quickly(idiom, increase, mount, soar)
1
helium balloon(noun, idiom, levity)
1
hot-air balloon
1
pop out(adjective, swell, bulky, sag)
1
project outward(swell, expand, sag, bloat)
1
rise and fall(idiom, swell, fill, heave)
1
rise up(swell, fill, surge, heave)
1
take the air
1
trial balloon(idiom, experiment)
1
well up(verb, increase, rise, issue)
0
become inflated
0
burst one's bubble(idiom, dissuasion)
0
cast one's net(idiom, experiment)
0
consult the barometer(idiom, experiment)
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APASmart Define. (2015). balloon thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/balloon/thesaurus/synonyms
ChicagoSmart Define. 2015. "balloon thesaurus" https://smartdefine.org/balloon/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, balloon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/balloon/thesaurus/synonyms>.
MLASmart Define. "balloon thesaurus" 14 November 2015. Web. 22 September 2026. <https://smartdefine.org/balloon/thesaurus/synonyms>