4
imponderable(adjective, levity)
4
imponderous(adjective, light, slight, easy, thin)
4
lifting
4
trivial(adjective, light, slight, easy, thin)
4
volatile(adjective, levity)
3
floating(adjective, light, slight, easy, thin)
3
immaterial(adjective, unsubstantial)
3
impalpable(adjective, unsubstantial)
3
inconsequential(adjective, light, slight, easy, thin)
3
intangible(adjective, unsubstantial)
3
little(adjective, light, slight, easy, thin)
3
loose(adjective, light, slight, easy, thin)
3
petty(adjective, light, slight, easy, thin)
3
portable(adjective, light, slight, easy, thin)
3
slender(adjective, light, slight, easy, thin)
3
small(adjective, light, slight, easy, thin)
3
trifling(adjective, light, slight, easy, thin)
3
unconcrete(adjective, unsubstantial)
3
unheavy(adjective, light, slight, easy, thin)
2
agile(adjective, light, slight, easy, thin)
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). weightless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/weightless/thesaurus/synonyms
ChicagoSmart Define. 2015. "weightless thesaurus" https://smartdefine.org/weightless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, weightless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/weightless/thesaurus/synonyms>.
MLASmart Define. "weightless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/weightless/thesaurus/synonyms>