Synonyms|179Antonyms|4|Broader|0Narrower|0Related|38
8
airless
1
solid
0
liquid
0
subsurface
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APASmart Define. (2015). pneumatic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/pneumatic/thesaurus/antonyms
ChicagoSmart Define. 2015. "pneumatic thesaurus" https://smartdefine.org/pneumatic/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, pneumatic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/pneumatic/thesaurus/antonyms>.
MLASmart Define. "pneumatic thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/pneumatic/thesaurus/antonyms>