Synonyms|130Antonyms|93|Broader|2Narrower|0Related|362
1
natant
1
nonexistence(adjective, unsubstantial)
1
nonsubstantial
1
not heavy(expression, adjective, slight, easy, thin)
1
null(adjective, unsubstantial)
1
phantasmal(adjective, unsubstantial)
1
porous(adjective, light, slight, easy, thin)
1
sandy(adjective, light, slight, easy, thin)
1
slim
1
soft
1
souffle
1
spectral(adjective, unsubstantial)
1
spongy(adjective, light, slight, easy, thin)
1
tenuous(adjective, unsubstantial)
1
tissuelike(adjective, light, slight, easy, thin)
1
uncompressed
1
unreal(adjective, unsubstantial)
1
unsolid
1
unsubstanced
1
vacuous(adjective, unsubstantial)
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APASmart Define. (2015). weightless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/weightless/thesaurus/synonyms
ChicagoSmart Define. 2015. "weightless thesaurus" https://smartdefine.org/weightless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, weightless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/weightless/thesaurus/synonyms>.
MLASmart Define. "weightless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/weightless/thesaurus/synonyms>