9
very upset
7
stuffy(adjective, close, oppressive)
6
heavy(adjective, slight, poor, thin, weight)
5
close
4
burdensome(adjective, heavy)
4
sad(adjective, happy, joy, glad, merry)
3
blue
3
ponderous(adjective, heavy, cumbersome)
3
substantial
3
unventilated(adjective, open)
2
airless
2
breathless
2
closed
2
clumsy
2
cumbersome
2
material
2
oppressive
2
stifling
2
weighty
1
black
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APASmart Define. (2015). airy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/airy/thesaurus/antonyms
ChicagoSmart Define. 2015. "airy thesaurus" https://smartdefine.org/airy/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, airy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/airy/thesaurus/antonyms>.
MLASmart Define. "airy thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/airy/thesaurus/antonyms>