41 entries under noun topic. ×

20
haze(nature, gloom, air, pollution)
17
mist(nature, gloom, film, air)
15
cloud(nature, mass, obscurity, mist)
14
fog(nature, gloom, pollution, darkness)
12
smoke(nature, gloom, air, pollution)
9
effluvium(nature, air, mist, gas)
8
miasma(air, obscurity, smoke, mist)
8
pollution(exhaust, contamination, gas, effluence)
8
vapor(gloom, air, darkness, puff)
7
vapour
6
smogginess
6
film(gloom, obscurity, darkness, puff)
6
fume
3
fumes(air, obscurity, contamination, mist)
3
steam(gloom, air, obscurity, darkness)
2
acid rain
2
blur(obscurity, fogginess, mistiness)
2
confusion(mist, vapor)
2
contamination
2
effluence
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APASmart Define. (2015). smog thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/smog/thesaurus/synonyms
ChicagoSmart Define. 2015. "smog thesaurus" https://smartdefine.org/smog/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, smog thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/smog/thesaurus/synonyms>.
MLASmart Define. "smog thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/smog/thesaurus/synonyms>